1,2,4-Benzenetriol
Also known as: 1,2,4-Trihydroxybenzene, Hydroxyhydroquinone, 2-Hydroxyhydroquinone, Benzene-1,2,4-triol, 2,5-Dihydroxyphenol, 4-Hydroxycatechol, Oxyhydroquinone
1,2,4-Benzenetriol (CAS 533-73-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C6H6O3 and a molecular weight of 126.110 g/mol. Key properties include a melting point of 140 °C (subl.)(lit.), a boiling point of 334.5±12.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 176.9±14.2 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 533-73-3
- Jingsj CID
- J-29617-3
- Molecular Formula
- C6H6O3
- Molecular Weight
- 126.110 g/mol
- Category
- Alcohols
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140 °C (subl.)(lit.) |
|---|---|
| Boiling Point | 334.5±12.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 176.9±14.2 °C |
| Exact Mass | 126.031693 |
| PSA | 60.69000 |
| LogP | 0.06 |
| Vapor Pressure | 0.0±0.8 mmHg at 25°C |
| Refractive Index | 1.677 |
| Additional Property | freely soluble |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Activity & Biological Data
| Additional Information | [1]. Risa Kamae, et al. Hydroxyhydroquinone, a by-product of coffee bean roasting, increases intracellular Ca 2+ concentration in rat thymic lymphocytes. Food Chem Toxicol. 2017 Apr;102:39-45. |
|---|
Customs & Trade Information
| HS Code | 2907299090 |
|---|---|
| Summary | 2907299090 polyphenols; phenol-alcohols。supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward)。VAT:17.0%。tax rebate rate:9.0%。MFN tariff:5.5%。general tariff:30.0% |
Frequently Asked Questions
What is the CAS number of 1,2,4-Benzenetriol?
The CAS number of 1,2,4-Benzenetriol is 533-73-3.
What are the molecular formula and molecular weight of 1,2,4-Benzenetriol?
1,2,4-Benzenetriol has molecular formula C6H6O3 and molecular weight 126.110 g/mol.
Is 1,2,4-Benzenetriol hazardous?
1,2,4-Benzenetriol has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 1,2,4-Benzenetriol?
For 1,2,4-Benzenetriol, Upstream Products: 1,2,4-Triacetoxybenzene, 3,4-Dichlorophenol, Chlorohydroquinone; Downstream Products: 4-Oxopent-2-enoic acid, Salicyl fluorone, 4-Methylesculetin.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,2,4-Benzenetriol (CAS 533-73-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-29617-3 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.