Agent Name


CAS Number




Major Category

Nitrogen Compounds


1-Amino-2,5-dichlorobenzene; 2,5-DCA; 2,5-Dichloranilin [Czech]; 2,5-Dichloro-1-aminobenzene; 2,5-Dichloroaniline (NH2=1); 2,5-Dichlorobenzenamine; 2,5-Dichlorobenzeneamine; Amarthol Fast Scarlet GG Base; Amarthol Fast Scarlet GGS Base; Azobase DCA; Azoene Fast Scarlet 2G Base; Azogene Fast Scarlet GG (free base); Azogene Fast Scarlet GGC; Azoic Diazo Component 3; Benzenamine, 2,5-dichloro-; C.I. 37010; C.I. Azoic Diazo Component 3; CI 37010; CI Azoic Diazo Component 3; Daito Scarlet Base GG; Devol Scarlet 2GS Base; Devol Scarlet A (free base); Diazo Fast Scarlet GG; Diazol Scarlet 2Zh; Fast Red SGG Base; Fast Scarlet 2G; Fast Scarlet 2G Base; Fast Scarlet Base 2J; Fast Scarlet Base 2JS; Fast Scarlet Base GGT; Fast Scarlet DS Base; Fast Scarlet GG Base; Fast Scarlet GGS Base; Fast Scarlet MDC Base; Hiltonil Fast Scarlet 2G Base; Hiltonil Fast Scarlet 2GS Base; Hindamine Scarlet GG; Kambamine Scarlet GG Base; Kayaku Scarlet GG Base; Lake Scarlet GG Base; Mitsui Scarlet GG Base; Naphthanil Scarlet 2G Base; Naphtoelan Fast Scarlet GG Base; Natasol Scarlet GG Salt; Sanyo Fast Scarlet GG Base; Scarlet 2G Base; Scarlet Base Ciba I; Scarlet Base GG; Scarlet Base IRGA I (free base); Scarlet Base NGG; Scarlet Salt Ciba I; Spectrolene Scarlet 2G; Stabamine Scarlet GG; Symulon Scarlet 2G Base; Aniline, 2,5-dichloro-; [ChemIDplus] UN1590


Amines, Aromatic


Colorless to brown solid; [ICSC] Brown flakes; [MSDSonline]


Used as a chemical intermediate for dyes and pigments and to make dyed fibers more color-fast; [HSDB]


Causes flaccid paralysis, cyanosis, and convulsions in lethal-dose studies of guinea pigs and rabbits; [RTECS] Emergency treatment: Methemoglobinemia; [HSDB] A severe eye irritant; Can induce methemoglobinemia; May cause skin sensitization; [ICSC] A skin, eye, and mucous membrane irritant; [CAMEO]

Exposure Assessment
Vapor Pressure

0.01 mm Hg

Explanatory Notes

Flash point = 139 deg C; [ICSC] The Guide in the Emergency Response Guidebook is for "Dichloroanilines, solid."

Adverse Effects
Skin Sensitizer



Methemoglobinemia, Secondary

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information


Chemical Information

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Related Information in HazMap

Occupational diseases associated with exposure to this agent:


Industrial Processes with risk of exposure: