C6H8N2
108.14 g/mol
Industrial ChemicalDanger
O-PHENYLENEDIAMINE
CAS95-54-5EC202-430-6
Category
Industrial Chemical
Compound Class
Amine
Primary Use
Chemical intermediate for dyes and pesticides
o-Phenylenediamine is an organic compound used primarily as a chemical intermediate in the production of dyes and pesticides. It also serves as an analytical reagent and photographic developer.
Chemical intermediate for dyes and pesticidesAnalytical reagentPhotographic developer
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 95-54-5
Related Compounds
ReferenceSame Category
2-chlorophenol
CAS95-57-8
Disinfectant and organic synthesis intermediate
ReferenceSame Category
Pseudocumene
CAS95-63-6
solvent for dyes and pharmaceuticals
ReferenceSame Category
2,4-xylidine
CAS95-68-1
chemical intermediate for dyes and pesticides
ReferenceSame Category
2,4-dichlorotoluene
CAS95-73-8
Herbicide intermediate and high-boiling solvent
Referencestereoisomer of
1,2-Phenylenediamine-d8
CAS1219798-78-3
research compound
Referencestereoisomer of
1,2-Diaminobenzene (D4, 98%)
CAS291765-93-0
research compound
Safety Reference
Danger
H301Toxic if swallowed
H312Harmful in contact with skin
H317May cause an allergic skin reaction
H319Causes serious eye irritation
H332Harmful if inhaled
H341Suspected of causing genetic defects
H351Suspected of causing cancer
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H350May cause cancer
H302Harmful if swallowed
H335May cause respiratory irritation
H370Causes damage to organs
H371May cause damage to organs
H373May cause damage to organs through prolonged or repeated exposure
H316Causes mild skin irritation
H330Fatal if inhaled
Customs Tariff Classification
The international HS code for O-PHENYLENEDIAMINE (CAS 95-54-5) is 2921.51.
HS code (international, 6-digit)
2921.51
EU CN code (8-digit)
2921 51 19
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
benzene-1,2-diamine
InChIKey
GEYOCULIXLDCMW-UHFFFAOYSA-N
SMILES
C1=CC=C(C(=C1)N)N
Synonyms (46)
- OPDA
- PODA
- Lansoprazole Impurity 6; Tiabendazole EP Impurity A
- 0-phenylendiamine
- 0-phenylenediamine
- 1,2-Benzenediamine
- 1,2-Diaminobenzene
- 1,2-Fenylendiamin
- 1,2-Fenylendiamin [Czech]
- 1,2-Phenylenediamine
- 1,2-phenylendiamine
- 2-Aminoaniline
- 2-Phenylene diamine
- 2-aminophenylamine
- C.I. Oxidation Base 16
- IK 3
- Lansoprazole Impurity 22
- O-AMINOPHENYLAMINE
- O-PHENYLENEDIAMINE
- Orthamine
- Phenylene diamine
- Phenylenediamine, ortho-
- TIABENDAZOLE IMPURITY A
- aniline, 2-amino-
- benzene-1,2-diamine
- o-Aminoaniline
- o-Benzenediamine
- o-Diaminobenzene
- o-Fenylendiamin
- o-Fenylendiamin [Czech]
- o-Phenylenediamine, flaked
- o-Phenylenediamine, sublimed
- o-phenylendiamin
- o-phenylendiamine
- ortho-Phenylenediamine
- ortho-aminoaniline
- phenylene-1,2-dimaine