4-Aminophenol
Also known as: p-Aminophenol, 4-Hydroxyaniline, p-Hydroxyaniline, 1-amino-4-hydroxybenzene, 4-amino-1-hydroxybenzene, Paracetamol Impurity K, Acetaminophen Impurity K, Hydrocodone/APAP Bitartrate Imp K, Mesalazine Impurity 1, AZOL, CERTINAL, CITOL, Energol, Freedol, Kathol, Kodelon, PARANOL, Unal, renalac, ursolp
4-Aminophenol (CAS 123-30-8) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H7NO and a molecular weight of 109.126 g/mol. Key properties include a melting point of 188 °C, a boiling point of 282.0±23.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 124.3±22.6 °C. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H341 — Suspected of causing genetic defects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 123-30-8
- Jingsj CID
- J-47558-9
- Molecular Formula
- C6H7NO
- Molecular Weight
- 109.126 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 188 °C |
|---|---|
| Boiling Point | 282.0±23.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 124.3±22.6 °C |
| Exact Mass | 109.052765 |
| PSA | 46.25000 |
| LogP | -0.29 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.637 |
| Additional Property | 1.5 g/100 mL (20 ºC) |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H341 — Suspected of causing genetic defects
- H410 — Very toxic to aquatic life with long lasting effects
Customs & Trade Information
| HS Code | 2922299090 |
|---|---|
| Summary | 2922299090. other amino-naphthols and other amino-phenols, other than those containing more than one kind of oxygen function, their ethers and esters; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 4-Aminophenol?
The CAS number of 4-Aminophenol is 123-30-8.
What are the molecular formula and molecular weight of 4-Aminophenol?
4-Aminophenol has molecular formula C6H7NO and molecular weight 109.126 g/mol.
Is 4-Aminophenol hazardous?
4-Aminophenol has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H341 — Suspected of causing genetic defects.
What are the upstream and downstream products of 4-Aminophenol?
For 4-Aminophenol, Upstream Products: nitrobenzene, 4-Aminophenylboronic acid, 1-Benzyloxy-4-nitrobenzene; Downstream Products: 4-[4-(Trifluoromethyl)phenoxy]aniline, 2-Chloro-N-(4-hydroxyphenyl)benzamide, 2-Methoxy-6-methyl-4(1H)-pyrimidinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Aminophenol (CAS 123-30-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-47558-9 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.