3,6,9,12,15,18,21,24,27,30,33,36-Dodecaoxaoctatetracontan-1-ol 3056-00-6 EINECS 221-286-5 Laureth-12 PEG-12 Lauryl ether Polyethylene glycol 600 lauryl ether Polyoxyethylene (12) lauryl ether