3,4-Dichlorophenyl isocyanate
Agent Name
3,4-Dichlorophenyl isocyanate
Major Category
Toxic Gases & Vapors
Synonyms
1,2-Dichloro-4-isocyanatobenzene; 3,4-Dichlorfenylisokyanat [Czech]; Benzene, 1,2-dichloro-4-isocyanato-; Isocyanic acid, 3,4-dichlorophenyl ester; [ChemIDplus] UN2250
Description
White to yellow solid; [HSDB] White crystalline solid; [MSDSonline]
Sources/Uses
Used in organic synthesis; [Hawley]
Comments
An irritant that can cause acute inhalation injury; Acute pneumonitis is the most immediate serious effect after isocyanate exposure; [HSDB] Highly irritating to tissue; [CAMEO] May cause skin sensitization based on animal studies; [IUCLID] A lachrymator; [CHEMINFO] An irritant; A lachrymator; No sensitizing effects known; [MSDSonline] See "MONOISOCYANATES."
Lethal Concentration
LC50 (rat) = 2,700 mg/m3/4H
Explanatory Notes
Vapor pressure = 0.56 mm Hg at 43 deg C; [ChemIDplus] The Guide in the Emergency Response Guidebook is for "Dichlorophenyl isocyanates."
Other Information
No other related information on this agent was found.