C7H9NO
123.15 g/mol
Dye & PigmentDanger
O-ANISIDINE
CAS90-04-0EC201-963-1
Category
Dye & Pigment
Compound Class
Amine
Primary Use
intermediate for azo dyes synthesis
o-Anisidine is an organic compound used primarily as an intermediate in the production of azo dyes. It can cause cancer according to an independent committee of scientific and health experts.
intermediate in the manufacture of dyesused in the synthesis of azo dyesused to prepare guaiacol via diazotization and hydrolysis
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.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:California Proposition 65
CAS 90-04-0
Related Compounds
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
ReferenceSame Category
2-amino-8-hydroxynaphthalene-6-sulfonic acid
CAS90-51-7
Dye intermediate for azo dyes
ReferenceSame Category
Michler's ketone
CAS90-94-8
Intermediate for dyes and pigments
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H341Suspected of causing genetic defects
H350May cause cancer
H373May cause damage to organs through prolonged or repeated exposure
H411Toxic to aquatic life with long lasting effects
H401Toxic to aquatic life
H317May cause an allergic skin reaction
H302Harmful if swallowed
H320Causes eye irritation
H351Suspected of causing cancer
H371May cause damage to organs
H316Causes mild skin irritation
H370Causes damage to organs
Customs Tariff Classification
The international HS code for O-ANISIDINE (CAS 90-04-0) 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
2-methoxyaniline
InChIKey
VMPITZXILSNTON-UHFFFAOYSA-N
SMILES
COC1=CC=CC=C1N
Synonyms (29)
- 1-Amino-2-methoxybenzene
- 2-Aminoanisole
- 2-Aminomethoxybenzene
- 2-Anisidine
- 2-Methoxy-1-aminobenzene
- 2-Methoxyaniline
- 2-Methoxybenzenamine
- 2-methoxybenzeneamine
- 2-methoxylaniline
- 2-methoxyphenylamine
- 2-methyloxyaniline
- 2-methyoxy-aniline
- Aniline, 2-methoxy-
- Anisidine, o-
- Benzenamine, 2-methoxy-
- O-ANISIDINE
- Ortho-anisidine
- o-Aminoanisole
- o-Aminomethoxybenzene
- o-Aminophenol methyl ether
- o-Anisylamine
- o-Methoxyaniline
- o-Methoxyphenylamine
- o-anisidin
- ortho-Aminoanisole
- ortho-Methoxyaniline
- ortho-Methoxyphenylamine