C6H5ClN2O2
172.57 g/mol
Dye & PigmentDanger
4-CHLORO-2-NITROANILINE
CAS89-63-4EC201-925-4
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Dye and pigment intermediate
4-Chloro-2-nitroaniline is a chemical compound used as an intermediate in the production of dyes and pigments. It serves as a diazo component for the synthesis of several major pigments, including Pigment Yellow 3 and Pigment Red 6.
Dye and pigment intermediateDiazo component for Pigment Yellow 3Diazo component for Pigment Red 6
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
ApplicationSame Use
3-Amino-4-chlorobenzenesulfonic acid
CAS98-36-2
Dye and pigment intermediate
ApplicationSame Use
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CAS51123-59-2
Dye and pigment intermediate
ApplicationSame Use
2,5-dichloroaniline
CAS95-82-9
Dye and pigment intermediate
ApplicationSame Use
3-(3-methyl-5-oxo-4,5-dihydro-1H-pyrazol-1-yl)benzenesulfonic acid
CAS119-17-5
Dye and pigment intermediate
ReferenceSame Category
2-anilino-3-methyl-6-(dibutylamino)fluoran
CAS89331-94-2
dye and pigment intermediate
ReferenceSame Category
O-anisidine
CAS90-04-0
intermediate for azo dyes synthesis
ReferenceSame Category
1-naphthol-8-amino-3,6-disulfonic acid
CAS90-20-0
dye and industrial waste
ReferenceSame Category
2,7-Naphthalenedisulfonic acid, 3-amino-5-hydroxy-
CAS90-40-4
dye intermediate
Safety Reference
Danger
H300Fatal if swallowed
H310Fatal in contact with skin
H330Fatal if inhaled
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H315Causes skin irritation
H401Toxic to aquatic life
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4-CHLORO-2-NITROANILINE (CAS 89-63-4) is 2921.42.
HS code (international, 6-digit)
2921.42
EU CN code (8-digit)
2921 42 00
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
4-chloro-2-nitroaniline
InChIKey
PBGKNXWGYQPUJK-UHFFFAOYSA-N
SMILES
C1=CC(=C(C=C1Cl)[N+](=O)[O-])N
Synonyms (62)
- PCON
- PCONA
- 2-Nitro-4-chloroaniline
- 4-CHLORO-2-NITROANILINE
- 4-Chloro-2-nitro-phenylamine
- 4-Chloro-2-nitrobenzenamine
- 4-chloro-2-nitro-pheylamine
- Aniline, 4-chloro-2-nitro-
- Azoene Fast Red 3GL Base
- Azoene Fast Red 3GL Salt
- Azofix Red 3GL Salt
- Azofly Red 3GL Salt
- Azoic Diazo Component 9
- Azoic diazo component 9, base
- C.I. Azoic Diazo Component 9
- Daito Red Base 3GL
- Daito Red Salt 3GL
- Devol Red F
- Devol Red Salt F
- Diazo Fast Red 3GL
- Fast Red 2NC Base
- Fast Red 2NC Salt
- Fast Red 3GL Base
- Fast Red 3GL Salt
- Fast Red 3GL Special Base
- Fast Red 3GL Special Salt
- Fast Red Base 3GL Special
- Fast Red Base 3JL
- Fast Red Salt 3GL
- Fast Red Salt 3JL
- Hiltonil Fast Red 3GL Base
- Hiltosal Fast Red 3GL Salt
- Kayaku Fast Red 3GL Base
- Kayaku Red Salt 3GL
- Kayaku Red Salt GL
- Mitsui Red 3GL Base
- Mitsui Red 3GL Salt
- Naphthanil Red 3G Base
- Naphtoelan Fast Red 3GL Base
- Naphtoelan Fast Red 3GL Salt
- Naptoelan Fast Red 3GL Salt
- Red 3G Base
- Red 3G Salt
- Red 3GS Salt
- Red Base 3GL
- Red Base Ciba VI
- Red Base Irga VI
- Red Salt Ciba VI
- Red Salt Irga VI
- Red Salt Nbgl
- Sanyo Fast Red Salt 3GL
- Shinnippon Fast Red 3GL Base
- Symulon Red 3GL Salt
- o-nitro-p-chloroaniline
- p-Chloro-o-nitroaniline
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