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4,4'-Dihydroxybiphenyl

Also known as: 4,4'-Biphenol, 4,4'-Biphenyldiol, Biphenyl-4,4'-diol, p,p'-Biphenol, p,p'-Diphenol, 4,4'-Dihydroxydiphenyl, 4,4'-Diphenol, DOD, Antioxidant DOD, BIPHENOL, [1,1'-Biphenyl]-4,4'-diol

4,4'-Dihydroxybiphenyl (CAS 92-88-6) 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 186.21 g/mol. Key properties include a melting point of 280-282 °C(lit.), a boiling point of 355.2±17.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 176.1±15.5 °C. It is classified under GHS with signal word Warning and hazard statements H312 — Harmful in contact with skin, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
92-88-6
Jingsj CID
J-8868-0
Molecular Formula
C12H10O2
Molecular Weight
186.21 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point280-282 °C(lit.)
Boiling Point355.2±17.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point176.1±15.5 °C
Exact Mass186.068085
PSA40.46000
LogP2.42
Vapor Pressure0.0±0.8 mmHg at 25°C
Refractive Index1.640
Additional Propertysparingly soluble

GHS Safety & Compliance

IrritantSignal word: Warning
  • H312 — Harmful in contact with skin
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Customs & Trade Information

HS Code2907299090
Summary2907299090 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 4,4'-Dihydroxybiphenyl?

The CAS number of 4,4'-Dihydroxybiphenyl is 92-88-6.

What are the molecular formula and molecular weight of 4,4'-Dihydroxybiphenyl?

4,4'-Dihydroxybiphenyl has molecular formula C12H10O2 and molecular weight 186.21 g/mol.

Is 4,4'-Dihydroxybiphenyl hazardous?

4,4'-Dihydroxybiphenyl has GHS signal word Warning and hazard statements H312 — Harmful in contact with skin; H315 — Causes skin irritation; H319 — Causes serious eye irritation.

What are the upstream and downstream products of 4,4'-Dihydroxybiphenyl?

For 4,4'-Dihydroxybiphenyl, Upstream Products: 4,4'-Dimethoxybiphenyl, 2,2',6,6'-tetra-tert-butyl-4,4'-biphenol, 4-Bromophenol; Downstream Products: 4-Butoxy-4'-hydroxybiphenyl, 4,4'-Diacetoxybiphenyl, 4,4'-Dibutoxybiphenyl.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "4,4'-Dihydroxybiphenyl (CAS 92-88-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8868-0 (accessed 2026-11-07).

Data for reference only; verify product details with suppliers before purchase.