Agent Name

Selenium oxychloride

CAS Number

7791-23-3

Formula

Cl2-O-Se

Major Category

Other Classes

Synonyms

Seleninyl chloride; Seleninyl dichloride; Selenium chloride oxide; Selenium chloride oxide (SeCl2O); Selenium oxydichloride; [ChemIDplus] UN 2879

Category

Other Inorganic Compounds

Description

Nearly colorless or yellowish liquid. [HSDB]

Sources/Uses

Used as a chlorinating agent and plasticizer; Also used as a solvent for sulfur, selenium, tellurium, rubber, Bakelite, gums, resins, celluloid, gelatin, glue, and asphalt; [HSDB]

Comments

Produces HCl and selenious acid on contact with moisture; Can cause severe burns and toxic pneumonitis; [Olson, p. 761] Long-term exposure can result in skin sensitization, liver injury, and damage to the CNS; [ICSC] See "Selenium."

Exposure Assessment
TLV (ACGIH)

0.2 mg/m3, as Se

PEL (OSHA)

0.2 mg/m3, as Se

MAK

0.02 mg/m3, as Se, inhalable fraction

IDLH (NIOSH)

1 mg/m3, as Se

Vapor Pressure

0.05 mm Hg

Adverse Effects
Skin Sensitizer

Yes

Toxic Pneumonitis

Yes

Neurotoxin

Other CNS Neurotoxin

Hepatotoxin

Hepatotoxin, Secondary

Reproductive Toxin

Yes

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

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Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent: