Agent Name

Lead(II) thiocyanate

CAS Number

592-87-0

Formula

C2-N2-S2.Pb

Major Category

Metals

Synonyms

Isothiocyanic acid, lead(2+) salt; Lead dithiocyanate; Lead isothiocyanate; Lead sulfocyanate; Lead thiocyanate (Pb(SCN)2); Lead(II) thiocyanate (Pb(NCS)2); [ChemIDplus] UN2291 [MSDSonline]

Category

Lead Compounds, Inorganic

Description

White to yellow crystals; [CAMEO]

Sources/Uses

Used to reverse aniline black dyeing; also used to make safety matches and cartridges; [Merck Index] Used in priming mix of small-arms cartridges; [Hawley]

Comments

A skin irritant; Can cause lead poisoning after ingestion or inhalation; [CAMEO] May liberate toxic hydrogen cyanide gas after contact with acid; [MSDSonline] See "Lead" and linked occupational diseases. See "CYANIDES."

Exposure Assessment
BEI

Lead in blood = 200 ug/L (20 ug/100 ml); sampling time not critical; [ACGIH]

TLV (ACGIH)

0.05 mg/m3, as Pb

PEL (OSHA)

0.05 mg/m3, as Pb

Explanatory Notes

Melting point = 374 deg F; [MSDSonline]

Adverse Effects
Neurotoxin

Motor Neuropathy

Hepatotoxin

Hepatotoxin, Secondary

Nephrotoxin

Yes

Reproductive Toxin

Yes

Other Poison

Chemical Asphyxiant

IARC Carcinogen

Not Classifiable

NTP Carcinogen

Anticipated Human Carcinogen

ACGIH Carcinogen

Confirmed Animal

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: