Agent Name

Selenourea

CAS Number

630-10-4

Formula

C-H4-N2-Se

Major Category

Nitrogen Compounds

Synonyms

2-Selenourea; Carbamimidoselenoic acid; Selenouronium; Urea, seleno-; [ChemIDplus] UN3283

Category

Urea Compounds

Description

Solid; [HSDB] White crystalline solid; [Alfa Aesar MSDS]

Sources/Uses

Used as experimental radioprotective agent; [HSDB] Used to make metallic selenides for semiconductor materials; [EPA]

Comments

A strong eye, nose, and throat irritant; Emergency treatment: "Selenium"; [HSDB] An irritant; [Alfa Aesar MSDS] See "Selenium."

Exposure Assessment
TLV (ACGIH)

0.2 mg/m3, as Se

PEL (OSHA)

0.2 mg/m3, as Se

IDLH (NIOSH)

1 mg/m3, as Se

Vapor Pressure

1.87 mm Hg

Explanatory Notes

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

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
Processes

Industrial Processes with risk of exposure: