C6H6N2O
122.12 g/mol
OtherWarning
4-Nitrosoaniline
CAS659-49-4EC211-535-6
Category
Other
Compound Class
n.a
Primary Use
Research reagent
4-Nitrosoaniline is an aromatic organic compound featuring both an amine and a nitroso group on a benzene ring. It serves as a reagent in chemical research and synthesis.
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
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Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
Customs Tariff Classification
The international HS code for 4-Nitrosoaniline (CAS 659-49-4) is 2921.42.
HS code (international, 6-digit)
2921.42
EU CN code (8-digit)
2921 42 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-nitrosoaniline
InChIKey
SALQMMXSINGXMI-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1N)N=O
Synonyms (6)
- 4-NITROSOBENZENAMINE
- 4-Nitrosoaniline
- Aniline, p-nitroso-
- Benzenamine, 4-nitroso-
- p-Aminonitrosobenzene
- p-nitrosoaniline
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