C14H16N2O2
244.29 g/mol
Dye & PigmentDanger
3,3'-DIMETHOXYBENZIDINE
CAS119-90-4EC204-355-4
Category
Dye & Pigment
Compound Class
Amine
Primary Use
Intermediate for dyes and pigments
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 119-90-4
Related Compounds
StrongSame Parent
O-dianisidine dihydrochloride
CAS20325-40-0
Pigment intermediate
ApplicationSame Use
2-methoxy-5-nitroaniline
CAS99-59-2
Intermediate for dyes and pigments
ApplicationSame Use
Michler's ketone
CAS90-94-8
Intermediate for dyes and pigments
ApplicationSame Use
Acetoacetanilide
CAS102-01-2
Intermediate for dyes and pigments
ReferenceSame Category
3-amino-4-methoxybenzanilide
CAS120-35-4
Pigment intermediate
ReferenceSame Category
P-cresidine
CAS120-71-8
Chemical intermediate for dyes
ReferenceSame Category
Chromium hydroxide green
CAS12001-99-9
green pigment for foods and cosmetics
ReferenceSame Category
Metanilic acid
CAS121-47-1
Dye intermediate for azo dyes
Safety Reference
Danger
H302Harmful if swallowed
H350May cause cancer
H341Suspected of causing genetic defects
H372Causes damage to organs through prolonged or repeated exposure
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for 3,3'-DIMETHOXYBENZIDINE (CAS 119-90-4) 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-(4-amino-3-methoxyphenyl)-2-methoxyaniline
InChIKey
JRBJSXQPQWSCCF-UHFFFAOYSA-N
SMILES
COC1=C(C=CC(=C1)C2=CC(=C(C=C2)N)OC)N
Synonyms (96)
- DDJ
- 3,3'-DIMETHOXYBENZIDINE
- 3,3'-Dianisidine
- 3,3'-Dimethoxybenzidene
- 3,3'-Dimethoxybenzidin
- 3,3'-Dimetossibenzodina
- 4,3'-dimethoxybiphenyl
- 4,3'-dimethoxydiphenyl
- 4,4'-Bi-o-anisidine
- Acetamine Diazo Black RD
- Acetamine Diazo Navy RD
- Amacel Developed Navy SD
- Azoene Fast Blue Base
- Azoene Fast Blue Salt
- Azofix Blue B Salt
- Azogene Fast Blue B
- Azogene Fast Blue B Salt
- Benzidene, 3,3'-dimethoxy-
- Benzidine, 3,3'-dimethoxy-
- Benzidine,3'-dimethoxy-
- Blue BN Base
- Blue BN Salt
- Blue Base NB
- Blue Base irga B
- Blue Salt NB
- Brentamine Fast Blue B Base
- Brentamine Fast Blue B Salt
- C.I. Disperse Black 6
- Cellitazol B
- Cellitazol bn
- Cibacete Diazo Navy Blue 2B
- DIMETHOXYBENZIDINE, 3,3'-
- Diacel Navy DC
- Diacel navy dco-dianisidin
- Diacelliton fast grey G
- Dianisidine
- Diato Blue Base B
- Diato Blue Salt B
- Diazo Fast Blue B
- Dihydrochloride, Dianisidine
- Disperse Black 6
- Fast Blue B Base
- Fast Blue BN Salt
- Fast Blue Base B
- Fast Blue DS Salt
- Fast Blue DSC Base
- Fast Blue Salt BN
- Hiltonil Fast Blue B Base
- Hiltosal Fast Blue B Salt
- Hindasol Blue B Salt
- Hydrochloride, Dianisidine
- Kako Blue B Salt
- Kayaku Blue B Base
- Kayaku Blue B Salt
- Lake Blue B Base
- Meisei Teryl Diazo Blue HR
- Mitsui Blue B Base
- Mitsui Blue B Salt
- Naphthanil Blue B Base
- Natasol Blue B Salt
- Neutrosel navy bn
- Sanyo Fast Blue Salt B
- Setacyl Diazo Navy R
- Spectrolene Blue B
- Sulfate, Dianisidine
- o,o'-Dianisidine
- o-Dianisidin
- o-Dianisidin [Czech, German]
- o-Dianisidina
- o-Dianisidina [Italian]
- o-Dianisidine
- o-Dianisidine (hydrochloride)
- o-Dianisidine, puriss.
- o-Dimethoxybenzidine
- ortho-Dianisidine