Agent Name

Sodium 4-hydroxymercuriobenzoate

CAS Number

138-85-2

Formula

C7-H5-Hg-O3.Na

Major Category

Metals

Synonyms

(4-Carboxylatophenyl)hydroxymercurate(1-) sodium; Mercury, (4-carboxyphenyl)hydroxy-, monosodium salt; Mercury, (p-carboxyphenyl)hydroxy-, sodium salt; PCMB; Sodium (4-carboxylatophenyl)hydroxymercurate(1-); Sodium 4-(hydroxymercuri)benzoic acid; Sodium p-hydroxy mercury benzoate; Sodium p-hydroxymercuribenzoate; Mercurate(1-), (4-carboxylatophenyl)hydroxy-, sodium; Mercurate(1-), (4-carboxylatophenyl)hydroxy-, sodium (1:1); Mercury, (p-carboxyphenyl)hydroxy-, monosodium salt (8CI); [ChemIDplus] UN2026

Category

Metals, Organic Compounds

Description

White powder; [Sigma-Aldrich MSDS] Slightly soluble in water; [Acros Organics MSDS]

Comments

Causes flaccid paralysis without anesthesia (usually neuromuscular blockage) and effects on food intake in intraperitoneal lethal-dose studies of rats (LD50 = 4.96 mg/kg); [RTECS] May cause irritation; Highly toxic by ingestion, inhalation, and skin absorption; Targets nerves; [Sigma-Aldrich MSDS] See "Mercury, aryl compounds" and the linked disease.

Exposure Assessment
TLV (ACGIH)

0.1 mg/m3, as Hg

PEL (OSHA)

0.1 mg/m3, as Hg

IDLH (NIOSH)

10 mg/m3, as Hg

Explanatory Notes

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

Adverse Effects
Neurotoxin

Sensorimotor Neuropathy

Nephrotoxin

Yes

Reproductive Toxin

Yes

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Other Information

No other related information on this agent was found.