Lead sulfide
[CAS# 1314-87-0]

Identification

• Classification: Inorganic chemical industry >> Inorganic salt >> Metal sulfides and sulfates
• Name: Lead sulfide
• Synonyms: Natural lead sulfide; P 128; P 128 (sulfide); P 37; P 37 (filter); Plumbous sulfide
• Molecular Formula: PbS
• Molecular Weight: 239.27
• CAS Registry Number: 1314-87-0
• EC Number: 215-246-6

Properties

• Density: 7.6 g/cm³ (20 ºC)^*
• Melting point: 1114 ºC^*
• Refractive index: 3.921^**

^* Li, Song; Proceedings of SPIE-The International Society for Optical Engineering 2005, V5629(Lasers in Material Processing and Manufacturing II), P483-490.

^** "Hazardous Substances Data Bank" data were obtained from the National Library of Medicine (US)

Safety Data

• Hazard Symbols: T;N
• Risk Codes: R61;R20/22;R33;R50/53;R62
• Safety Description: S53;S45;S60;S61

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Acute toxicity	Acute Tox.	4	H332
Acute toxicity	Acute Tox.	4	H302
Chronic hazardous to the aquatic environment	Aquatic Chronic	1	H410
Acute hazardous to the aquatic environment	Aquatic Acute	1	H400
Specific target organ toxicity - repeated exposure	STOT RE	2	H373
Carcinogenicity	Carc.	1A	H350
Reproductive toxicity	Repr.	1A	H360Df
Reproductive toxicity	Repr.	1A	H360
Specific target organ toxicity - repeated exposure	STOT RE	1	H372
Reproductive toxicity	Lact.	-	H362

• Transport Information: UN 3077 9 / PGIII