1,1'-Bi-2-naphthol

Also known as: (±)-1,1'-Bi-2-naphthol, BINOL, 1,1'-Binaphthalene-2,2'-diol, 2,2'-Dihydroxy-1,1'-binaphthalene, β-Binaphthol, MFCD00004068, EINECS 210-014-0

1,1'-Bi-2-naphthol (CAS 602-09-5) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H14O2 and a molecular weight of 286.324 g/mol. Key properties include a melting point of 215-218ºC, a boiling point of 462.1±30.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 218.9±19.2 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 602-09-5
Jingsj CID: J-37214-7
Molecular Formula: C₂₀H₁₄O₂
Molecular Weight: 286.324 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	215-218ºC
Boiling Point	462.1±30.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	218.9±19.2 °C
Exact Mass	286.099365
PSA	40.46000
LogP	4.36
Vapor Pressure	0.0±1.2 mmHg at 25°C
Refractive Index	1.758
Additional Property	dioxane: 50 mg/mL, clear \| insoluble

Customs & Trade Information

HS Code	29072900

Frequently Asked Questions

What is the CAS number of 1,1'-Bi-2-naphthol?

The CAS number of 1,1'-Bi-2-naphthol is 602-09-5.

What are the molecular formula and molecular weight of 1,1'-Bi-2-naphthol?

1,1'-Bi-2-naphthol has molecular formula C20H14O2 and molecular weight 286.324 g/mol.

What are the upstream and downstream products of 1,1'-Bi-2-naphthol?

For 1,1'-Bi-2-naphthol, Upstream Products: 1-Bromo-2-naphthol, 2-Naphthol, (R)-2,2'-Bis(methoxymethoxy)-1,1'-binaphthyl; Downstream Products: 2,2'-Diacetoxy-1,1'-binaphthyl, Bis(4-nitrophenyl) carbonate, (11bS)-N,N-Diethyldinaphtho[2,1-d:1',2'-f][1,3,2]dioxaphosphepin-4-amine.

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

Last updated: 8/21/2026

How to cite: Jingsj. "1,1'-Bi-2-naphthol (CAS 602-09-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-37214-7 (accessed 2026-11-07).

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