C6H5NO3
139.11 g/mol
Industrial ChemicalWarning
4-Nitrophenol
CAS100-02-7EC202-811-7
Category
Industrial Chemical
Compound Class
Aromatic
Primary Use
Intermediate for insecticides and dyes
4-Nitrophenol is a phenolic compound with a nitro group positioned opposite the hydroxyl group on the benzene ring. It serves as an intermediate in the production of insecticides and dyes.
Intermediate for insecticidesIntermediate for 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
ReferenceSame Category
P-nitrobenzyl chloride
CAS100-14-1
chemical intermediate for synthesis
ReferenceSame Category
Terephthaloyl chloride
CAS100-20-9
Intermediate for synthetic fibers and resins
ReferenceSame Category
2-(diethylamino)ethanol
CAS100-37-8
chemical intermediate for pharmaceuticals and industrial chemicals
ReferenceSame Category
Ethylbenzene
CAS100-41-4
intermediate for styrene production
Referencestereoisomer of
Sodium p-nitrophenoxide
CAS824-78-2
Intermediate for pesticide production
Referencestereoisomer of
Phen-2,3,5,6-d4-ol, 4-nitro-
CAS93951-79-2
research compound
Safety Reference
Warning
H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled
H373May cause damage to organs through prolonged or repeated exposure
H301Toxic if swallowed
H412Harmful to aquatic life with long lasting effects
H318Causes serious eye damage
H336May cause drowsiness or dizziness
H370Causes damage to organs
H372Causes damage to organs through prolonged or repeated exposure
H401Toxic to aquatic life
H411Toxic to aquatic life with long lasting effects
H314Causes severe skin burns and eye damage
H317May cause an allergic skin reaction
H315Causes skin irritation
Regulatory Compliance1
- CN Catalogue of Hazardous ChemicalsCNRegulation
Customs Tariff Classification
The international HS code for 4-Nitrophenol (CAS 100-02-7) is 2908.99.
HS code (international, 6-digit)
2908.99
EU CN code (8-digit)
2908 99 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-nitrophenol
InChIKey
BTJIUGUIPKRLHP-UHFFFAOYSA-N
SMILES
C1=CC(=CC=C1[N+](=O)[O-])O
Synonyms (41)
- NPO
- PNP
- RPN
- Acetaminophen EP Impurity F
- 1-Hydroxy-4-nitrobenzene
- 3qvu
- 4-Hydroxy-1-nitrobenzene
- 4-Hydroxynitrobenzene
- 4-Nitrofenol
- 4-Nitrofenol [Dutch]
- 4-Nitrophenol
- 4-Nitrophenol (NIST)
- 4-Nitrophenol, PESTANAL(R)
- 4-Nitrophenol, puriss.
- 4-Nitrophenol, reagent grade
- 4-nitryl phenol
- Mononitrophenol
- NITROPHENOL, P-
- Niphen
- P-NITROPHENOL [MART.]
- PARACETAMOL IMPURITY F
- Paranitrofenol
- Paranitrofenol [Dutch]
- Paranitrofenolo
- Paranitrofenolo [Italian]
- Paranitrophenol
- Phenol, 4-nitro-
- Phenol, p-nitro-
- p-Hydroxynitrobenzene
- p-Nitrofenol
- p-Nitrofenol [Czech]
- p-nitrophenol
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