Agent Name

1,2,3-Benzotriazin-4(1H)-one

CAS Number

90-16-4

Formula

C7-H5-N3-O

Major Category

Nitrogen Compounds

Synonyms

1,2,3-Benzotriazin-4-one; 1,2,3-Benzotriazin-4(3H)-one; 1,2,3-Benzotriazin-4-ol; 3H-1,2,3-Benzotriazin-4-one; 4-Keto-(3H)-1,2,3-benzotriazine; 4-Ketobenz-1,2,3-triazine; 4-Ketobenzotriazine; Benzazimide; Benzazimidone; Benzoketotriazine; [ChemIDplus]

Category

Other Nitrogen Rings

Description

Tan solid; [HSDB] Off-white powder; [Alfa Aesar MSDS]

Sources/Uses

A biodegradation and photolysis product of azinphos-methyl (organophosphate pesticide); Used for organic synthesis; [HSDB]

Comments

Causes somnolence in intraperitoneal lethal-dose studies of rats; [RTECS] An irritant; [Alfa Aesar MSDS]

Exposure Assessment
Vapor Pressure

1.14E-6 mm Hg

Lethal Concentration

LC (rat) > 2,000 mg/kg/4h

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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Processes

Industrial Processes with risk of exposure: