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    The molecule of the day is: Silicon dioxide

    Silicon dioxide is probably the most common form of the versitile silicon atom that is found naturally. It is also known as glass, quartz, crystal rose, silica, and common sand, so that it can be quite lovely and useful indeed! According to Wikipedia, silicon dioxide is the most abundant mineral on the earth, and it is probably true that there are buckets of the stuff nearby for free. Goes to show. Our silicon gallery is full of the many interesting and useful molecules that are based on silicon, and it is worth a look. One that we do not have ready as of yet is silicon carbide, an important ceramic material. There is likely some confusion around the name, because silicate, also known as silica gel, is useful in the lab as a dessicant, sometimes changing from light blue to pink on hydration. Silicate could also be called silion trioxide, because it has three bonded oxygens in contrast to the molecule at right.

    Silicon related molecules gallery and structural archive

    other names: 7631-86-9 AI3-25549 Acticel Aerogel 200 Aerosil Aerosil 300 Aerosil 380 Aerosil A 300 Aerosil E 300 Aerosil K 7 Aerosil M-300 Aerosil bs-50 Aerosil-degussa Amorphous silica Amorphous silica dust Amorphous silica gel CAB-O-SIL N-70TS CCRIS 3699 CI 7811 Cab-o-sil M-5 Cabosil N 5 Cabosil st-1 Carplex Carplex 30 Carplex 80 Caswell No. 734A Celite superfloss Chalcedony Colloidal silicon dioxide Corasil II Cristobalite Diatomaceous earth Diatomaceous earth, calcined Diatomaceous silica Diatomite Dimethyl siloxanes and silicones Dri-Die EINECS 231-545-4 ENT 25,550 EPA Pesticide Chemical Code 072605 Extrusil Fossil flour Fused silica Glass HK 400 Hi-Sil Hydrophobic silica 2482 Infusorial earth Ludox

    SMILES: [Si](=O)=O

    related molecule names:
    75-76-3 NSC5210 Silane, tetramethyl- Silicon, tetramethyl- Tetramethylsilane Tetramethylsilicane 2031-67-6 A 162 ICI-EP 5850 Methaneorthosiliconic acid, triethyl ester Methyl triethoxysilane Methyltriethoxysilane NSC5226 Silane, methyltriethoxy- Silane, triethoxymethyl- Triethoxymethylsilane Triethoxysilylmethane Union carbide a-162 WLN: 2O-SI-1&O2&O2 78-07-9 A 15 (silane) Ethaneorthosiliconic acid, triethyl ester Ethyltriethoxysilane NSC5230 Silane, ethyltriethoxy- Silane, triethoxyethyl- Triethoxyethylsilane Union carbide A-15 WLN: 2O-SI-2&O2&O2 75-77-4 Chlorotrimethylsilane Monochlorotrimethylsilicon NSC15750 Silane, chlorotrimethyl- Silane, trimethylchloro- Silicane, chlorotrimethyl- Silylium, trimethyl-, chloride TL 1163 Trimethylchlorosilane Trimethylsilyl chloride WLN: G-SI-1&1&1 1048-08-4 NSC33014 Silane, tetraphenyl- Tetraphenylsilane Tetraphenylsilicon 75-79-6 Methyl-trichlorsilan Methylsilicochloroform Methyltrichlorosilane Monomethyltrichlorosilane NSC77069 Silane, methyltrichloro- Silane, trichloromethyl- Trichloromethylsilane Trichloromethylsilicon WLN: G-SI-GG1 75-78-5 Dichlorodimethylsilane Dichlorodimethylsilicon Dimethyl-dichlorsilan Dimethyldichlorosilane Inerton AW-DMCS NSC77070 Silane, dichlorodimethyl- WLN: G-SI-G1&1 98-13-5 NSC77080 Phenyl trichlorosilane Phenylsilicon trichloride Phenyltrichlorosilane Silane, phenyltrichloro- Silane, trichlorophenyl- Silicon phenyl trichloride Trichlorophenylsilane WLN: G-SI-GGR 80-10-4 Dichlorodiphenylsilane Diphenyldichlorosilane Diphenylsilicon dichloride NSC77110 Silane, dichlorodiphenyl- WLN: G-SI-GR&R 780-69-8 Benzeneorthosiliconic acid, triethyl ester NSC77115 Phenyltriethoxysilane Silane, phenyltriethoxy- Silane, triethoxyphenyl- Triethoxyphenylsilane WLN: 2O-SI-R&O2&O2 1067-53-4 2,5,7,10-Tetraoxa-6-silaundecane, 6-ethenyl-6-(2-methoxyethoxy)- A 172 GF 58 NSC78465 NUCA 172 Silane, tris(2-methoxyethoxy)vinyl- Silicone A-172 Tris(.beta.-methoxyethoxy)vinylsilane Tris(2-methoxyethoxy)vinylsilane Tris(methoxyethoxy)vinylsilane Tris(methoxyethxy)vinylsilane Vinyl-tris(.beta.-methoxyethoxy)silane Vinyltris(.beta.-methoxyethoxy)silane Vinyltris(2-methoxyethoxy)silane Vinyltris(methoxyethoxy)silane [Tris(.beta.-methoxyethoxy)]vinylsilane [Tris(p-methoxyethoxy)]vinylsilane 75-76-3 EINECS 200-899-1 NSC 5210 Silane, tetramethyl- Silicon, tetramethyl- TETRAMETHYLSILANE Tetramethyl silane Tetramethylsilane [UN2749] [Flammable liquid] Tetramethylsilicane UN2749 127290-36-2 36642-33-8 4-04-00-04007 (Beilstein Handbook Reference) 75-77-4 BRN 1209232 CCRIS 790 Chlorotrimethylsilane EINECS 200-900-5 HSDB 1009 Monochlorotrimethylsilicon NSC 15750 Silane, chlorotrimethyl- Silane, trimethylchloro- Silicane, chlorotrimethyl- Silylium, trimethyl-, chloride TL 1163 TRIMETHYLCHLOROSILANE Trimethyl chlorosilane Trimethylchlorosilane [UN1298] [Flammable liquid] Trimethylsilyl chloride UN1298 4-04-00-04111 (Beilstein Handbook Reference) 75-78-5 AI3-51462 BRN 0605287 CCRIS 783 DIMETHYLDICHLOROSILANE Dichloro(dimethyl)silane Dichlorodimethylsilane Dichlorodimethylsilicon Dimethyl-dichlorsilan [Czech] Dimethyldichlorosilane [UN1162] [Flammable liquid] Dimethylsilane dichloride EINECS 200-901-0 HSDB 361 Inerton AW-DMCS Inerton dw-dmc LS 130 NSC 77070 Repel-Silan Silane, dichlorodimethyl- UN1162 175446-71-6 4-04-00-04212 (Beilstein Handbook Reference) 75-79-6 AI3-51465 BRN 1361381 CCRIS 1322 EINECS 200-902-6 HSDB 840 METHYLTRICHLOROSILANE Methyl-trichlorsilan [Czech] Methylsilicochloroform Methylsilyl trichloride Methyltrichlorosilane [UN1250] [Flammable liquid] Monomethyltrichlorosilane NSC 77069 Silane, methyltrichloro- Silane, trichloromethyl- Trichlor-methylsilan [Czech] Trichloro(methyl)silane Trichloromethylsilane Trichloromethylsilicon UN1250 127290-37-3 4-04-00-04258 (Beilstein Handbook Reference) 75-94-5 A 150 A 150 (VAN) A 150 (silane) BRN 1743440 EINECS 200-917-8 HSDB 891 NSC 93872 Silane, trichloroethenyl- Silane, trichlorovinyl- Silane, trichlorovinyl- (8CI) Silane, vinyl trichloro A-150 Silane, vinyltrichloro- TRICHLOROVINYLSILANE Trichloro(vinyl)silane Trichlorovinyl silicane Trichlorovinylsilicon UN1305 Union carbide A-150 Vinyl trichlorosilane Vinylsilicon trichloride Vinyltrichlorosilane Vinyltrichlorosilane, inhibited [UN1305] [Flammable liquid] Vtcs 155684-37-0 4-16-00-01484 (Beilstein Handbook Reference) 76-86-8 AI3-51278 BRN 1820487 Chlorotriphenylsilane EINECS 200-989-0 NSC 102804 SILANE, CHLOROTRIPHENYL- Triphenylsilicon chloride Triphenylsilyl chloride 4-04-00-04223 (Beilstein Handbook Reference) 78-07-9 A 15 (silane) BRN 1362028 EINECS 201-080-1 Ethaneorthosiliconic acid, triethyl ester Ethyltriethoxysilane NSC 5230 SILANE, ETHYLTRIETHOXY- Silane, ethyl triethoxy A-15 Silane, triethoxyethyl- Triethoxy(ethyl)silane Triethoxy-ethylsilane Union carbide A-15 4-01-00-01360 (Beilstein Handbook Reference) 78-10-4 AI3-15098 BRN 1422225 Dynasil A EINECS 201-083-8 ES 100 ES 28 ES 28 (ester) ETHYL SILICATE Ethyl orthosilicate Ethyl silicate, ((EtO)4Si) Etylu krzemian [Polish] HSDB 534 NSC 4790 Orthosilicic acid, tetraethyl ester Silane, tetraethoxy- Silicate d'ethyle [French] Silicate tetraethylique [French] Silicic acid (H4SiO4), tetraethyl ester Silicic acid, (H4SiO4), tetraethyl ester Silicic acid, tetraethyl ester Silicon ethoxide Silicon tetraethoxide Silikan L TEOS TEOS (VAN) Tetraethoxysilane Tetraethoxysilicon Tetraethyl orthosilicate Tetraethyl silicate Tetraethyl silicate [UN1292] [Flammable liquid] Tetraethyl-O-silicate Tetraethylsilikat [Czech] UN1292 155684-38-1 4-16-00-01526 (Beilstein Handbook Reference) 80-10-4 AI3-51461 BRN 0609882 DICHLORODIPHENYLSILANE Dichlor-difenylsilan [Czech] Dichloro(diphenyl)silane Diphenyl dichlorosilane Diphenyldichlorosilane Diphenyldichlorosilane [UN1769] [Corrosive] Diphenylsilicon dichloride Diphenylsilyl dichloride EINECS 201-251-0 HSDB 316 NSC 77110 Silane, dichlorodiphenyl- TSL 8062 UN1769 155684-07-4 155684-39-2 4-16-00-01560 (Beilstein Handbook Reference) 98-13-5 AI3-51469 BRN 0508730 EINECS 202-640-8 HSDB 1039 NSC 77080 PHENYLTRICHLOROSILANE Phenylsilicon trichloride Phenyltrichlorosilane [UN1804] [Corrosive] Silane, phenyltrichloro- Silane, trichlorophenyl- Silicon phenyl trichloride Trichloro(phenyl)silane Trichlorophenylsilane UN1804 107-37-9 4-04-00-04261 (Beilstein Handbook Reference) ALLYLTRICHLOROSILANE Allyl trichlorosilane Allylsilicone trichloride Allyltrichlorosilane, stabilized [UN1724] [Corrosive] BRN 1743449 EINECS 203-485-9 HSDB 2715 NSC 20940 Propen-3-yltrichlorosilane Silane, allyltrichloro- Silane, trichloro-2-propenyl- Silane, trichloroallyl- UN1724 107-72-2 4-04-00-04249 (Beilstein Handbook Reference) Amyl trichlorosilane Amyltrichlorosilane Amyltrichlorosilane [UN1728] [Corrosive] BRN 1737947 EINECS 203-515-0 HSDB 887 Pentylsilicon trichloride Pentyltrichlorosilane Silane, pentyltrichloro- Silane, trichloropentyl- TRICHLOROPENTYLSILANE Trichloroamylsilane UN1728 12504-67-5 145583-77-3 146915-55-1 148031-02-1 152024-73-2 154643-50-2 156131-38-3 160073-05-2 167972-08-9 215780-01-1 37231-85-9 409-21-2 54500-13-9 63686-94-2 66039-27-8 76647-55-7 78544-49-7 84149-55-3 86755-24-0 92843-12-4 Annanox CK Betarundum Betarundum ST-S Betarundum UF Betarundum ultrafine CCRIS 7813 Carbofrax M Carbolon Carbon silicide Carborundeum Carborundum Crystar Crystolon 37 Crystolon 39 DU-A 1 DU-A 2 DU-A 3 DU-A 3C DU-A 4 Densic C 500 EINECS 206-991-8 GC 10000 Green densic Green densic GC 800 HSDB 681 Hitaceram SC 101 KZ 3M KZ 5M KZ 7M Nicalon SC 201 SC 9 SC 9 (Carbide) SCW 1 SD-GP 6000 SD-GP 8000 SILICON CARBIDE Silicon carbide (SiC) Silicon monocarbide Silundum 4-04-00-04128 (Beilstein Handbook Reference) 541-02-6 BRN 1800166 CCRIS 1328 Cyclic dimethylsiloxane pentamer Cyclopentasiloxane, decamethyl- DECAMETHYLCYCLOPENTASILOXANE Dekamethylcyklopentasiloxan [Czech] Dimethylsiloxane pentamer Dow corning 345 Dow corning 345 fluid EINECS 208-764-9 HSDB 5683 KF 995 NUC silicone VS 7158 Polydimethylsiloxane SF 1202 Silicon SF 1202 Union carbide 7158 silicone fluid VS 7158 155684-09-6 780-69-8 Benzeneorthosiliconic acid, triethyl ester EINECS 212-305-8 NSC 77115 Phenyltriethoxysilane SILANE, PHENYLTRIETHOXY- Silane, triethoxyphenyl- Triethoxy(phenyl)silane Triethoxyfenylsilan [Czech] Triethoxyphenylsilane (3-Aminopropyl)triethoxysilane (gamma-Aminopropyl)triethoxysilane 1-Propanamine, 3-(triethoxysilyl)- 106096-79-1 12738-50-0 131641-77-5 143178-71-6 159778-17-3 204987-58-6 3-(TRIETHOXYSILYL)PROPYLAMINE 3-(Triethoxysilyl)-1-propanamine 3-Aminopropyltriethoxysilane 4-04-00-04273 (Beilstein Handbook Reference) 60000-97-7 71618-18-3 86836-28-4 919-30-2 96726-79-3 A 1100 A 1112 AGM-9 APTES BRN 1754988 EINECS 213-048-4 HSDB 5767 NSC 95428 Nuca 1100 Propylamine, 3-(triethoxysilyl)- Propylamine, 3-(triethoxysilyl)- (8CI) Silane 1100 Silane amg-9 Silane, (3-aminopropyl)triethoxy- Silane, gamma-aminopropyltriethoxy- Silicone A-1100 Triethoxy(3-aminopropyl)silane Uc-A 1100 gamma-Aminopropyltriethoxysilane (Tris(p-methoxyethoxy))vinylsilane 1067-53-4 2,5,7,10-Tetraoxa-6-silaundecane, 6-ethenyl-6-(2-methoxyethoxy)- 4-04-00-04257 (Beilstein Handbook Reference) 59250-02-1 6-Ethenyl-6-(methoxyethoxy)-2,5,7,10-tetraoxa-6-silaundecane (9CI) A 172 BRN 1795316 EINECS 213-934-0 GF 58 NSC 78465 NUCA 172 Prosil 248 Q 174 SH 6030 SILANE, TRIS(2-METHOXYETHOXY)VINYL- Silicone A-172 Tris(2-methoxyethoxy)vinylsilane Tris(methoxyethoxy)vinylsilane Tris(methoxyethxy)vinylsilane Vinyltris(2-methoxyethoxy)silane Vinyltris(methoxyethoxy)silane Z 6030 10193-36-9 12673-75-5 1343-98-2 158296-67-4 68373-08-0 7699-41-4 84141-05-9 9063-16-5 98530-20-2 Caswell No. 734 Cubosic EINECS 215-683-2 EPA Pesticide Chemical Code 072602 G 952 H-Ilerit Hydrosilisic acid K 320DS K 60 K 60 (silicate) Mikronisil Neoxyl ET Polyorthosilicic acid Polysilicic acid SILICIC ACID Silica acid Silica gel Silicic acid (polyortho) Silicic acid hydrate Silicon hydroxide Silton TF 06 Sipernat 17 Sipernat 50 Sipernat 50S Sipernat D 10 Sipernat S Sizol 030 Vulcasil S/GR Zeosil 45 1719-53-5 4-04-00-04158 (Beilstein Handbook Reference) BRN 0605313 DIETHYLDICHLOROSILANE Dichloro(diethyl)silane Dichlorodiethylsilane Diethyl dichlorosilane Diethyldichlorosilane [UN1767] [Corrosive] Diethyldichlorosilicon EINECS 217-005-0 HSDB 4276 Silane, dichlorodiethyl- UN1767 1,2-Ethanediamine, N-(3-(trimethoxysilyl)propyl)- 116711-38-7 127120-81-4 143178-75-0 165168-67-2 1760-24-3 184049-27-2 37251-12-0 53241-21-7 64339-13-5 77238-27-8 A 0700 AAS-M AP 132 BRN 0636230 Dow corning Z-6020 silane EINECS 217-164-6 ETHYLENEDIAMINE, N-(3-(TRIMETHOXYSILYL)PROPYL)- GF 91 KBM 603 N-(3-(Trimethoxysilyl)propyl)-1,2-ethanediamine N-(3-(Trimethoxysilyl)propyl)ethylenediamine N-(3-Trimethoxysilylpropyl)-ethylenediamine NUCA 1120 Prosil 3128 SH 6020 Silane, (3-(2-aminoethyl)aminopropyl)trimethoxy- Silicone A-1120 Z 6020 en-APTAS 2031-67-6 4-04-00-04204 (Beilstein Handbook Reference) A 162 BRN 1742453 CCRIS 1323 EINECS 217-983-9 ICI-EP 5850 Methaneorthosiliconic acid, triethyl ester Methyl triethoxysilane Methyltriethoxysilane NSC 5226 SILANE, METHYLTRIETHOXY- Silane, triethoxymethyl- Triethoxy(methyl)silane Triethoxymethylsilane Triethoxysilylmethane Union carbide A-162 ((3-(Trimethoxysilyl)propoxy)methyl)oxirane (3-(2,3-Epoxypropoxy)propyl)trimethoxysilane (3-(Glycidyloxy)propyl)trimethoxysilane (3-Glycidoxypropyl)trimethoxysilane 1-(Glycidyloxy)-3-(trimethoxysilyl)propane 108727-79-3 120026-01-9 138590-36-0 163035-07-2 2530-83-8 26348-10-7 3-(2,3-Epoxypropoxy)propyltrimethoxysilane 3-(Trimethoxysilyl)propyl glycidyl ether 51938-40-0 53029-18-8 65323-93-5 88385-40-4 A 187 AI3-52752 BRN 4308125 CCRIS 3044 DZ 6040 EINECS 219-784-2 Glycidoxypropyltrimethyoxysilane, gamma- Glycidyl 3-(trimethoxysilyl)propyl ether Glycidyloxypropyltrimethoxysilane KBM 403 KBM 430 NSC 93590 NUCA 187 SILANE, 3-(2,3-EPOXYPROPOXY)PROPYLTRIMETHOXY- Silan A 187 Silane A 187 Silane Z 6040 Silane, (3-(2,3-epoxypropoxy)propyl)trimethoxy- Silane, trimethoxy(3-(oxiranylmethoxy)propyl)- Silane-Y-4087 Silicone A-187 Silicone KBM 403 Union carbide A-187 Y 4087 Z 6040 gamma-Glycidoxypropyltrimethoxysilane (3-(Methacryloxy)propyl)trimethoxysilane 1-Propanol, 3-(trimethoxysilyl)-, methacrylate 100662-14-4 114266-32-9 2-Propenoic acid, 2-methyl-, 3-(trimethoxysilyl)propyl ester 2-Propenoic acid, 2-methyl-3-(trimethoxysilyl)propyl ester 201732-58-3 2530-85-0 3-(Trimethoxysilyl)-1-propanol methacrylate 3-(Trimethoxysilyl)propyl methacrylate 3-Methacryloyloxypropyl-trimethoxysilane 3-Trimethoxysilylpropyl methacrylate 65323-94-6 65323-95-7 65324-72-3 79642-98-1 82658-67-1 85256-86-6 96353-41-2 A 174 BRN 1952435 Dynasylan MEMO EINECS 219-785-8 HSDB 5468 KBM 503 KDM 503 KH 570 M 8550 Methacrylic acid, 3-(trimethoxysilyl)propyl ester Methacrylic acid, 3-(trimethoxysilyl)propyl ester (8CI) Methacryloxypropyltrimethoxysilane Methacryloyloxypropyltrimethoxysilane Mops-M NSC 93591 NUCA 174 Q 174 Silane adduct, allyl methacrylate trimethoxy- Silane, (3-hydroxypropyl)trimethoxy-, methacrylate Silane, 3-methacryloxypropyltrimethoxy- Silicone A-174 TRIMETHOXYSILYLPROPYL METHACRYLATE Trimethoxysilyl-3-propylester kyseliny methakrylove [Czech] Union carbide A-174 Z 6030 alpha-Methylacryloxypropyltrimethoxysilane gamma-Methacryloxypropyltrimethoxysilane gamma-Methacrylyloxypropyltrimethoxysilane ((Epoxycyclohexyl)ethyl)trimethoxy silane (2-(3,4-Epoxycyclohexyl)ethyl)trimethoxysilane (3,4-Epoxycyclohexyl)ethyltrimethoxysilane 155684-30-3 2-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane 3-(2-(Trimethoxysilyl)ethyl)-7-oxabicyclo(4.1.0)heptane 3388-04-3 4-(2-(Trimethoxysilyl)ethyl)-7-oxabicyclo(4.1.0)heptane 52682-88-9 A 186 (VAN) A 186 (coupling agent) A 186 (heterocycle) AI3-52751 CCRIS 3047 E 6250 EINECS 222-217-1 Epoxycyclohexylethyl trimethoxy silane KBM 303 NSC 139838 NUCA 186 S 530 SILANE, beta-(3,4-EPOXYCYCLOHEXYL)ETHYLTRIMETHOXY- Sila-Ace S 530 Silane A 186 Silane Y-4086 Silane, (beta-(3,4-epoxycyclohexyl)ethyl)trimethoxy- Silane, trimethoxy(2-(7-oxabicyclo(4.1.0)hept-3-yl)ethyl)- Silicone A-186 Silquest A 186 UC-A 186 Union carbide A-186 Y 4086 beta-(3,4 Epoxycyclohexyl)ethyltrimethoxysilane beta-(3,4-Epoxycyclohexyl)ethyltrimethoxy silane beta-(3,4-Epoxycyclohexyl)ethyltrimethoxysilane beta-(3,4-Epoxycylcohexyl)ethyltrimethoxysilane (3-Mercaptopropyl)trimethoxysilane (3-Thiopropyl)trimethoxysilane (gamma-mercaptopropyl)trimethoxysilane 1-Propanethiol, 3-(trimethoxysilyl)- 161756-15-6 3-(Sulfanylpropyl)trimethoxysilane 3-(Trimethoxysilyl)propanethiol 3-(Trimethoxysilyl)propyl mercaptan 3-Mercaptopropyltrimethoxysilane 3-Trimethoxysilylpropane-1-thiol 4420-74-0 53241-23-9 56938-96-6 A 189 (silicone) AZ 6129 BRN 2038119 EINECS 224-588-5 GF 70 KBE 803 KBM 803 M 8500 M 8500 (coupling agent) MPS MPS-M NUCA 189 PROPANETHIOL, TRIMETHOXYSILYL- Prosil 196 SH 6062 Sila-Ace S 810 Silane A 189 Silane, 3-mercaptopropyltrimethoxy- Silquest A 189 TSL 8380 TSL8380E Union carbide A-189 Z 6062 gamma-Mercaptopropyltrimethoxysilane 7521-80-4 BUTYL TRICHLOROSILANE Butylsilicon trichloride Butyltrichlorosilane Butyltrichlorosilane [UN1747] [Corrosive] EINECS 231-381-3 HSDB 283 N-Butyl trichlorosilane NSC 93881 Silane, butyltrichloro- Trichlorobutylsilane UN1747 7631-86-9 AI3-25549 Acticel Aerogel 200 Aerosil Aerosil 300 Aerosil 380 Aerosil A 300 Aerosil E 300 Aerosil K 7 Aerosil M-300 Aerosil bs-50 Aerosil-degussa Amorphous silica Amorphous silica dust Amorphous silica gel CAB-O-SIL N-70TS CCRIS 3699 CI 7811 Cab-o-sil M-5 Cabosil N 5 Cabosil st-1 Carplex Carplex 30 Carplex 80 Caswell No. 734A Celite superfloss Chalcedony Colloidal silicon dioxide Corasil II Cristobalite Diatomaceous earth Diatomaceous earth, calcined Diatomaceous silica Diatomite Dimethyl siloxanes and silicones Dri-Die EINECS 231-545-4 ENT 25,550 EPA Pesticide Chemical Code 072605 Extrusil Fossil flour Fused silica Glass HK 400 Hi-Sil Hydrophobic silica 2482 Infusorial earth Ludox 7783-61-1 EINECS 232-015-5 HSDB 684 Perfluorosilane SILICON TETRAFLUORIDE Silane, tetrafluoro- Silicon fluoride Silicon fluoride (SiF4) Silicon tetrafluoride, compressed [UN1859] [Poison gas] Tetrafluorosilane UN1859 8050-81-5 Antifoam A Asidopan Plus DC antifoam A Di-Gel Gas-X Gelusil HSDB 3906 Kudrox Maalox HRF Maalox Plus Mylanta Mylanta Gas Relief Mylicon Infant's Drops OCTAMETHYLTRISILOXANE Phazyme Riopan Plus Rioplus Sentry Simethicone Sentry Simethicone Emulsion Silicone antifoam agent S 184 Silicone antifoam emulsions SE 6 and SE 9 Simeco Simethicone Simethicone [USAN] Wydrate Plus alpha-(Trimethylsilyl)-omega-methylpoly(oxy(dimethylsilylene)), mixture with silicon dioxide

    pdb file:166773.pdb
    CAS: 7631-86-9

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    updated Wed Sep 17 23:56:32 EDT 2008

    Added Molscript graphics and MOD desktop image to the right sidebar. The theme is infinite carbon chain. The code is in infrastructure. The other main molecular graphics programs in use at this time are RasMol, Rester3D, PyMOL, and PovChem. The viewer is xzgv, and ImageMagick for touch up; mainly mogrify and convert. Please feel free to send any questions along.

    updated Thu Sep 11 22:33:51 EDT 2008

    We continue to get encouragment to provide coordinate files with improved geometry, although this is a computationally intensive task which is down the road still. Meanwhile, a few supurb 3-dimensional structures are already found in the archive, and two of them have been featured in the right sidebar today. If you rummage around in the MOD galleries, you are likely to find more 3D coordinate files, as well as some very interesting 2D representations! In our opinion, many of the most interesting molecules have planar geometry, so that the current files are quite useful. In due course, we plan to provide a comprehensive collection of coordinate files with good stereochemical geometry, all in the selfsame spirit of free and open source software and public access. We welcome any and all input.

    updated Wed Sep 10 20:28:49 EDT 2008

    Our new directory style was featured in a the right sidebar of the Jasmone MOD page today. Just click the directory link from the top page or in any of the recent galleries to view this new feature. These pages typically include links to the source databases, which often have chemical diagrams or useful additional information about the molecules. A smiley code is currently featured at the bottom of each page. Smile.

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    Added developer links to the left side bar.

    updated Wed Sep 3 12:05:13 EDT 2008

    I have automated the process to make molecule galleries, which I am finding very useful to my research, so I thought that I would share the opportunity and take requests. It is quick and easy. I did a bisphenol search today, and as I expected, the search turned up a few stilbenes, which is the same molecular family as resveratrol. Strikingly, Bisphenol A is a noted teratogen, which shows that care must be taken when using such molecules during pregnancy, nursing, and development. Here is a link to the bisphenol gallery.

    If you would find it useful, I am definitely interested in taking requests for molecule galleries. Just send me the name of your favorite molecule. As you may be able to tell, we have access for galleries to about 1% or 0.5 million structures, in the total archive thus far, but it is already quite useful. The automated jobs are underway to fill in the rest. The next milestone is the capability to index and make galleries for the remaining millions of molecules for which we have pdb files already, which would be 5-10% complete. Any comments or suggestions are also welcome.

    updated Tue Sep 2 14:10:15 EDT 2008

    A terminal screenshot has been added to the right sidebar, in order to show the kind of code that is being used to generate the Molecules directory indices. All inquiries and suggestions are welcome.

    updated Fri Aug 29 14:39:14 EDT 2008

    Reaction to our website has been quite positive and encouraging, but people are anxious to see structures with improved stereochemistry. We have received many suggestions about how to make that happen faster. For the time being, we are experiencing the best structure viewing results with RasMOL. Name extraction and structure file linking jobs are underway, which is an indication that we are still in a preliminary phase. Google spiders more almost everyday, and past experience indicates that the search capability will become very useful indeed! Here is some secret mumbo jumbo. I'm afraid that my Japanese or Korean is broken at best ;-}. Enjoy!

    updated Wed Aug 27 21:38:32 EDT 2008

    An RSS News Feed has been added to the right side bar.

    updated Tue Aug 26 19:27:29 EDT 2008

    Several new indices have been added to our sidebar, notably; current index by name, and gallery by name. These are large indices, but also vastly incomplete, and work is underway to improve them. A list of bloggers who have mentioned the site, with links in their blogs, is now in the front sidebar, although only one is known thus far. Due to the vastness of the scale, many of these things will be divided out and buried a little deeper eventually, but they can be showcased now, and they are a good survey.

    updated Tue Aug 19 19:45:09 EDT 2008

    Some facts: The Molecules website contains more than 4 million small molecule structure files in pdb format, and molecular graphics representations. About 50 million molecules are still in the pipe, and they are expected to appear here over the course of the next few weeks and months. The pdb format is readable by common FOSS molecule viewer software, such as RasMol and PyMOL. In due course, we plan to provide high quality structures via energy minimization refinement, and additional resources. is founded in the spirit of free software, open source, and public access. It is hoped that access to these files will be a wonderful community resource for science education, research, and entertainment as well. We are looking for investment, funding, or sponsorship in order to expedite and expand this work, and lead the field, with an eye towards an advanced, complete, synthetic, structural, and informatical bioorganome. Meanwhile, the site is already an exceptional lab resource, and molecular catalog, providing the means and building blocks towards additional novel structures. We aim to be the best.

    The structural biology, protein crystallography, and molecular graphics talent that is building the Molecules archive is available to work for you in a contract or consulting arrangement. Wide-ranging expertise is available. is built entirely with FOSS, free and open source software, GNU-Darwin OS, and it is under the aegis of The GNU-Darwin Distribution. Here is a link to the Distribution résumé. Our founder is an X-ray laboratory admin for the Department of Biophysics and Biophysical Chemistry of Johns Hopkins University School of Medicine. You can also read his CV. We would like to build a community around this website, and we are looking for volunteers and collaborators to help. Regarding any aspect of the work of this site, please feel free to contact us,, with gdmolecules in the subject line. Cheers!