biphenyl-2,5-diol
Also known as: Phenylhydroquinone, 2-Phenylhydroquinone, 2,5-Dihydroxybiphenyl, 2-Phenyl-1,4-benzenediol, 2-Phenyl-1,4-dihydroxybenzene, 4-hydroxy-2-phenylphenol, o-phenylhydroquinone, 1,4-Benzenediol, phenyl-, Hydroquinone, phenyl-, [1,1'-Biphenyl]-2,5-diol
biphenyl-2,5-diol (CAS 1079-21-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H10O2 and a molecular weight of 186.207 g/mol. Key properties include a melting point of 98-100 °C(lit.), a boiling point of 383.0±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 192.3±19.2 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1079-21-6
- Jingsj CID
- J-18903-1
- Molecular Formula
- C12H10O2
- Molecular Weight
- 186.207 g/mol
- Category
- Aromatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 98-100 °C(lit.) |
|---|---|
| Boiling Point | 383.0±30.0 °C at 760 mmHg |
| Density | 1.2±0.1 g/cm3 |
| Flash Point | 192.3±19.2 °C |
| Exact Mass | 186.068085 |
| PSA | 40.46000 |
| LogP | 2.09 |
| Vapor Pressure | 0.0±0.9 mmHg at 25°C |
| Refractive Index | 1.640 |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 biphenyl-2,5-diol?
The CAS number of biphenyl-2,5-diol is 1079-21-6.
What are the molecular formula and molecular weight of biphenyl-2,5-diol?
biphenyl-2,5-diol has molecular formula C12H10O2 and molecular weight 186.207 g/mol.
Is biphenyl-2,5-diol hazardous?
biphenyl-2,5-diol has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "biphenyl-2,5-diol (CAS 1079-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-18903-1 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.