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Substance Name: Lead sulfide
RN: 1314-87-0
UNII: 2425D15SYM
InChIKey: XCAUINMIESBTBL-UHFFFAOYSA-N

Note

  • Surma refers to fine powder-like mascara, applied to conjunctival surfaces of eyes; originally contained antimony sulfide (derived from Urdu word for antimony); recently lead sulfide has been used due to scarcity of antimony; galena is the principal ore of lead sulfide. Black kohl stone and red-brown kohl stone are widely used in eye cosmetics in the Middle East, Asia and Africa.

Molecular Formula

  • Pb-S

Molecular Weight

  • 239.266
 

Classification Code

  • Reportable Quantity (RQ) = 5000 lb
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Names and Synonyms

Name of Substance

  • Lead sulfide
  • P 128

Synonyms

  • C.I. 77640
  • CCRIS 1944
  • CI 77640
  • EC 215-246-6
  • EINECS 215-246-6
  • Galena
  • HSDB 639
  • Lead monosulfide
  • Lead sulfide
  • Lead sulfide (PbS)
  • Lead(2+) sulfide
  • Lead(II) sulfide
  • Natural galena
  • Natural lead sulfide
  • P 128
  • P 128 (sulfide)
  • P 37 (filter)
  • Plumbous sulfide
  • UNII-2425D15SYM

Systematic Names

  • Lead sulfide
  • Lead sulfide (PbS)
  • Lead sulphide

Superlist Name

  • Lead sulfide

Registry Numbers

CAS Registry Number

  • 1314-87-0

FDA UNII

  • 2425D15SYM

Other Registry Number

  • 51682-73-6

Related Registry Numbers

  • 12179-39-4 (galena)
  • 39377-56-5 (cpd with unspecified lead sulfide)

System Generated Number

  • 0001314870

Structure Descriptors

InChI

1S/Pb.S

InChIKey

XCAUINMIESBTBL-UHFFFAOYSA-N

Smiles

S=[Pb]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LDLo oral 10gm/kg (10000mg/kg) BLOOD: PIGMENTED OR NUCLEATED RED BLLOD CELLS Archiv fuer Hygiene und Bakteriologie. Vol. 125, Pg. 273, 1941.
rat LDLo intraperitoneal 1810mg/kg (1810mg/kg) BLOOD: OTHER CHANGES Industrial Medicine. Vol. 10, Pg. 15, 1941.