Agent Name

1,4-Dicyanobenzene

Alternative Name

Terephthalonitrile

CAS Number

623-26-7

Formula

C8-H4-N2

Major Category

Nitrogen Compounds

Synonyms

1,4-Benzendikarbonitril [Czech]; 1,4-Benzodinitrile; 4-Cyanobenzonitrile; Nitril kyseliny tereftalove [Czech]; p-Benzenedinitrile; p-Dicyanobenzene; p-Pdn; p-Phthalodinitrile; Tereftalodinitril [Czech]; Tereftalonitril [Czech]; Terephthalic acid dinitrile; Terephthalodinitril [German]; Terephthalodinitrile; Terephthalonitrile; 1,4-Benzenedicarbonitrile; [ChemIDplus]

Category

Nitriles

Description

Light yellow powder; [Sigma-Aldrich MSDS]

Sources/Uses

"Occupational marker compound." [ChemIDplus]

Comments

Changes of the liver, thyroid, and kidney observed in 28-day oral study of rats; Oral LD50 (rat) approximately 2,000 mg/kg; [ToxPlanet: JECDB] A mild eye irritant; Causes ptosis, muscle weakness, and acute pulmonary edema in intraperitoneal lethal-dose studies of rats; [RTECS] A skin and strong eye irritant; [Sigma-Aldrich MSDS] See "m-Phthalodinitrile."

Exposure Assessment
Vapor Pressure

0.00569 mm Hg

Links to Other NLM Databases
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