Agent Name

Methylmercuric chloride

CAS Number

115-09-3

Formula

C-H3-Cl-Hg

Major Category

Metals

Synonyms

Caspan; Caspan (VAN); Chloromethyl mercury; Chloromethylmercury; Mercury methyl chloride; Mercurymethylchloride; Methyl mercuric chloride; Methyl mercuric(II) chloride; Methyl meruric chloride; Methylmercury chloride; Methylmercury monochloride; Methylmerkurichlorid [Czech]; Monomethyl mercury chloride; [ChemIDplus] UN2025

Category

Metals, Organic Compounds

Description

White solid; [CAMEO]

Comments

May cause CNS injury and death; [CAMEO] May be fatal by inhalation, skin absorption, or ingestion; May cause irritation; Targets nerves; [MSDSonline] See "Mercury, alkyl compounds" and linked occupational diseases.

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.01 mg/m3, as Hg

STEL (ACGIH)

0.03 mg/m3, as Hg

PEL (OSHA)

0.01 mg/m3, Ceiling(OSHA) = 0.04 mg/m3, as Hg

IDLH (NIOSH)

2 mg/m3, as Hg

Lethal Concentration

LC50 (mice) = 80 mg/m3/4h

Explanatory Notes

The Guide in the Emergency Response Guidebook is for "Mercury compound, solid, n.o.s."

Adverse Effects
Neurotoxin

Other CNS Neurotoxin

Nephrotoxin

Yes

Reproductive Toxin

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

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Chemical Information

Search ChemIDplus

Biomedical References

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: