12179-39-4 1314-87-0 39377-56-5 51682-73-6 C.I. 77640 CCRIS 1944 CI 77640 EINECS 215-246-6 Galena HSDB 639 LEAD SULFIDE Lead monosulfide Lead sulfide (PbS) Lead sulphide Lead(2+) sulfide Lead(II) sulfide Natural galena Natural lead sulfide P 128 P 128 (sulfide) P 37 (filter) Plumbous sulfide