C6H7ClN2
142.58 g/mol
Dye & PigmentWarning
2-Chloro-1,4-diaminobenzene
CAS615-66-7EC210-441-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
component in hair dyes
2-Chloro-1,4-diaminobenzene is a diamine compound substituted with a chlorine atom, structurally related to 1,4-phenylenediamine. It is primarily significant as a component in hair dye formulations.
component in hair dyes
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
ReferenceSame Category
Manganese acetate tetrahydrate
CAS6156-78-1
Mordant in dyeing and pigment
ReferenceSame Category
4-Methylmetanilic acid
CAS618-03-1
Dye intermediate
ReferenceSame Category
4-nitroanthranilic acid
CAS619-17-0
dye intermediate
ReferenceSame Category
2-Methoxy-5-nitrobenzene-1-diazonium zinc chloride (2/1/4)
CAS61919-18-4
Dye intermediate for fast color salts
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H315Causes skin irritation
H319Causes serious eye irritation
H317May cause an allergic skin reaction
Customs Tariff Classification
The international HS code for 2-Chloro-1,4-diaminobenzene (CAS 615-66-7) is 2921.51.
HS code (international, 6-digit)
2921.51
EU CN code (8-digit)
2921 51 19
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
2-chlorobenzene-1,4-diamine
InChIKey
MGLZGLAFFOMWPB-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1N)Cl)N
Synonyms (22)
- 1,4-Benzenediamine, 2-chloro-
- 1,4-Diamino-2-chlorobenzene
- 2,5-diaminochlorobenzene
- 2-CHLORO-P-PHENYLENEDIAMINE
- 2-Chlor-p-fenylendiamin
- 2-Chloro-1,4-benzenediamine
- 2-Chloro-1,4-diaminobenzene
- 2-Chloro-1,4-phenylenediamine
- 2-Chloro-4-phenylenediamine
- 2-chlorobenzene-1,4-diamine
- 3-Chlor-p-fenylendiamin
- 3-Chloro-4-aminoaniline
- 3-Chloro-p-fenylendiamin
- 4-amino-2-chloroaniline
- Ursol Brown O
- o-Chloro-p-phenylenediamine
- p-Phenylenediamine, 2-chloro-
- salzsaurem p-Phenylendiamin
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