C7H9NO
123.15 g/mol
Dye & PigmentWarning
4-Amino-3-methylphenol
CAS2835-99-6EC220-621-2
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Hair dye ingredient
4-Amino-3-methylphenol is an aromatic amine and phenol derivative used primarily as an ingredient in hair dye formulations. Its structure features both an amino group and a hydroxyl group on a methyl-substituted benzene ring, contributing to its reactivity in oxidative coloring systems.
Hair dye ingredientPersonal care product component
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
2-amino-6-chloro-4-nitrophenol
CAS6358-09-4
Hair dye ingredient
ApplicationSame Use
5-amino-6-chloro-O-cresol
CAS84540-50-1
Hair dye ingredient
ReferenceSame Category
Direct blue 218
CAS28407-37-6
Direct dye for cellulose and textiles
ReferenceSame Category
Chrysophenine
CAS2870-32-8
Direct yellow dye
ReferenceSame Category
4(1H)-Quinazolinone, 2-[7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl]-
CAS28754-28-1
fluorescent solvent dye
ReferenceSame Category
Methyl blue
CAS28983-56-4
biological stain and antiseptic
Safety Reference
Warning
H302Harmful if swallowed
H315Causes skin irritation
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H335May cause respiratory irritation
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
Customs Tariff Classification
The international HS code for 4-Amino-3-methylphenol (CAS 2835-99-6) is 2922.29.
HS code (international, 6-digit)
2922.29
EU CN code (8-digit)
2922 29 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-amino-3-methylphenol
InChIKey
QGNGOGOOPUYKMC-UHFFFAOYSA-N
SMILES
CC1=C(C=CC(=C1)O)N
Synonyms (24)
- 4A3MP
- 2-Amino-5-hydroxytoluene
- 2-Methyl-4-hydroxyaniline
- 3-Methyl-4-aminophenol
- 3-methyl-p-aminophenol
- 4-Amino-3-methylphenol
- 4-Amino-Meta-Cresol
- 4-Amino-m-cresol
- 4-Hydroxy-2-methylaniline
- 4-Hydroxy-o-toluidine
- 4-OH-6'-methylalanine
- 4-amino-3-cresol
- 4-hydroxy-2-methylphenylamine
- 4-hydroxy-6'-methylalanine
- 4-hydroxy-6-methylaniline
- COLOREX 4AMC
- JAROCOL 4A3MP
- M-METHYL-P-AMINOPHENOL
- ORISTAR AMPH43
- Phenol, 4-amino-3-methyl-
- m-CRESOL, 4-AMINO-
- p-Amino-m-cresol
- p-Hydroxy-o-toluidine
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