Selenium oxychloride
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."
Biomedical References
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
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
Reproductive Toxin
Yes
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent: