C12H12N2O
200.24 g/mol
Industrial ChemicalDanger
4,4'-Oxydianiline
CAS101-80-4EC202-977-0
Category
Industrial Chemical
Compound Class
Amine
Primary Use
Chemical intermediate for polyimide resins
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 101-80-4
Related Compounds
SimilarStructure SimilarSimilarity 0.82
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CAS13080-85-8
pharmaceutical intermediate
SimilarStructure SimilarSimilarity 0.78
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chemical intermediate for sulfenamides and corrosion inhibitors
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CAS10101-41-4
Manufacture of plasterboard and plaster of Paris
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H340May cause genetic defects
H350May cause cancer
H411Toxic to aquatic life with long lasting effects
H341Suspected of causing genetic defects
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H302Harmful if swallowed
H317May cause an allergic skin reaction
H361Suspected of damaging fertility or the unborn child
H372Causes damage to organs through prolonged or repeated exposure
H373May cause damage to organs through prolonged or repeated exposure
H351Suspected of causing cancer
Customs Tariff Classification
The international HS code for 4,4'-Oxydianiline (CAS 101-80-4) 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-aminophenoxy)aniline
InChIKey
HLBLWEWZXPIGSM-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1N)OC2=CC=C(C=C2)N
Synonyms (44)
- 4,4'-DIAMINOPHENYL ETHER
- 4,4'-Diaminobiphenyl oxide
- 4,4'-Diaminodiphenyl ether
- 4,4'-Diaminodiphenyl oxide
- 4,4'-Diaminophenyl oxide
- 4,4'-ODA
- 4,4'-Oxybisaniline
- 4,4'-Oxybisbenzenamine
- 4,4'-Oxydianiline
- 4,4'-Oxydianiline (ODA)
- 4,4'-Oxydiphenylamine
- 4,4'-biaminodiphenyl ether
- 4,4-Dadpe
- 4-(4-Aminophenoxy)phenylamine
- 4-(4-aminophenoxy)aniline
- 4-Aminophenyl ether
- Aniline, 4,4'-oxydi-
- Aniline,4'-oxydi-
- Benzenamine, 4,4'-oxybis-
- Benzenamine,4'-oxybis-
- Bis(4-aminophenyl) ether
- Bis(p-aminophenyl) ether
- DPE (AMINE)
- Dadpe
- Di-(4-aminophenyl)ether
- Diaminodiphenyl ether
- Ether, 4,4'-diaminodiphenyl
- Ether,4'-diaminodiphenyl-
- Oxybis(4-aminobenzene)
- Oxydi-p-phenylenediamine
- Oxydianiline
- P-DIAMINODIPHENYLETHER
- p,p'-Diaminodiphenyl ether
- p,p'-Oxybis(aniline)
- p,p'-Oxydianiline
- p-Aminophenyl ether