C7H8N2O2
152.15 g/mol
Pharmaceutical IntermediateDanger
2-Methyl-5-nitroaniline
CAS99-55-8EC202-765-8
Category
Pharmaceutical Intermediate
Compound Class
Amine
Primary Use
Pharmaceutical Intermediate
2-Methyl-5-nitroaniline is a chemical compound used as a pharmaceutical intermediate. It is also known as 5-nitro-o-toluidine and serves as a diazo component in the production of certain pigments and dyes.
Pharmaceutical intermediateDiazo component for pigments and dyes
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
SimilarStructure SimilarSimilarity 0.74
2-Methyl-4-nitroaniline
CAS99-52-5
dye intermediate
ReferenceSame Category
2-Chloro-4-nitrobenzoic acid
CAS99-60-5
pharmaceutical intermediate
ReferenceSame Category
Ethyl p-nitrobenzoate
CAS99-77-4
pharmaceutical intermediate
ReferenceSame Category
P-chloroacetophenone
CAS99-91-2
pharmaceutical intermediate
ReferenceSame Category
4-aminoacetophenone
CAS99-92-3
pharmaceutical intermediate
Safety Reference
Danger
H301Toxic if swallowed
H311Toxic in contact with skin
H331Toxic if inhaled
H351Suspected of causing cancer
H412Harmful to aquatic life with long lasting effects
H302Harmful if swallowed
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H341Suspected of causing genetic defects
H402Harmful to aquatic life
Customs Tariff Classification
The international HS code for 2-Methyl-5-nitroaniline (CAS 99-55-8) is 2921.43.
HS code (international, 6-digit)
2921.43
EU CN code (8-digit)
2921 43 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-methyl-5-nitroaniline
InChIKey
DSBIJCMXAIKKKI-UHFFFAOYSA-N
SMILES
CC1=C(C=C(C=C1)[N+](=O)[O-])N
Synonyms (72)
- PNOT
- 2-Amino-4-nitrotoluene
- 2-Methyl-5-nitro-benzeneamine
- 2-Methyl-5-nitroaniline
- 2-Methyl-5-nitroaniline, 98+%
- 2-Methyl-5-nitrobenzenamine
- 2-methyl-5-nitrophenylamine
- 3-Nitro-6-methylanilin
- 3-Nitro-6-methylaniline
- 4-Nitro-2-aminotoluene
- 5-NITRO-O-TOLUIDINE
- 5-Nitro-2-methylaniline
- 5-Nitro-2-toluidine
- 5-Nitro-ortho-toluidine
- 6-Methyl-3-nitroaniline
- Amarthol Fast Scarlet G Base
- Amarthol Fast Scarlet G salt
- Amino-nitro-toluene
- Azoene Fast Scarlet G Salt
- Azoene Fast Scarlet GC Base
- Azoene Fast Scarlet GC salt
- Azofix Scarlet G salt
- Azogene Fast Scarlet G
- Azoic Diazo Component 12
- CI Azoic Diazo Component 12
- Conazoic Diazo AB
- Dainichi Fast Scarlet G Base
- Daito Scarlet Base G
- Devol Scarlet B
- Devol Scarlet G Salt
- Diabase Scarlet G
- Diazo Fast Scarlet G
- Fast Red SG Base
- Fast Scarlet Base J
- Fast Scarlet G
- Fast Scarlet G Base
- Fast Scarlet G Salt
- Fast Scarlet GC Base
- Fast Scarlet J Salt
- Fast Scarlet M4NT Base
- Fast Scarlet T Base
- Fast scarlet base G
- Hiltonil Fast Scarlet G Base
- Hiltonil Fast Scarlet G Salt
- Hiltonil Fast Scarlet GC Base
- Imatinib Impurity 13
- Kayaku Scarlet G Base
- Lake Scarlet G Base
- Lithosol Orange R Base
- Mitsui Scarlet G Base
- Naphthanil Scarlet G Base
- Scarlet Base Ciba II
- Scarlet Base Irga II
- Scarlet Base NSP
- Scarlet G Base
- Sugai Fast Scarlet G Base
- Symulon Scarlet G Base
- aniline, 2-methyl-5-nitro-
- fast scarlet mN4t base
- o-Toluidine, 5-nitro-
- o-amino-p-nitrotoluene
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