Agent Name

Mercurous oxide

CAS Number

15829-53-5

Formula

Hg2-O

Major Category

Metals

Synonyms

Mercurous oxide (Hg2O); Mercury oxide; Mercury oxide (Hg2O); Mercury oxide black; Mercury(I) oxide; Quecksilberoxid [German]; [ChemIDplus] UN1641

Category

Mercury Compounds, Inorganic

Description

Black solid; [Hawley] Brown to black odorless powder; [MSDSonline]

Sources/Uses

"Not a true compound but rather an intimate mixture of metallic mercury and mercuric oxide." [CAMEO]

Comments

Highly toxic by inhalation, skin absorption, and ingestion; [CAMEO] May cause irritation; [MSDSonline] See "Mercuric oxide." See "Mercury, inorganic compounds" and the linked occupational disease.

Exposure Assessment
Skin Designation (ACGIH)

Yes

TLV (ACGIH)

0.02 mg/m3, as Hg

PEL (OSHA)

0.1 mg/m3, as Hg

MAK

0.02 mg/m3, as Hg, inhalable fraction

IDLH (NIOSH)

10 mg/m3, as Hg

Adverse Effects
Neurotoxin

Sensorimotor Neuropathy

Nephrotoxin

Yes

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

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.