Agent Name

Mercury(II) oxycyanide

CAS Number

1335-31-5

Formula

C2-Hg2-N2-O

Major Category

Metals

Synonyms

Mercuric oxycyanide; Mercury(II) oxide cyanide; Dimercury dicyanide oxide; Mercury cyanide oxide; [ChemIDplus] UN1642

Category

Mercury Compounds, Inorganic

Description

White solid; [Merck Index]

Sources/Uses

Used as a topical antiseptic; [Merck Index]

Comments

Toxic by inhalation, skin exposure, and ingestion; [ESIS] Detonates on heating, dangerous explosion risk; [Hawley] See "Mercury, inorganic compounds" and the linked occupational disease. See "CYANIDES."

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.02 mg/m3, as Hg

PEL (OSHA)

0.1 mg/m3, as Hg (5 mg/m3, as CN)

MAK

0.02 mg/m3, as Hg, inhalable fraction (2 mg/m3, as CN, inhalable fraction)

IDLH (NIOSH)

10 mg/m3, as Hg

Adverse Effects
Neurotoxin

Sensorimotor Neuropathy

Nephrotoxin

Yes

Other Poison

Chemical Asphyxiant

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Processes

Industrial Processes with risk of exposure: