(S)-3,3'-Dibromo-1,1'-bi-2-naphthol

(S)-3,3'-二溴-[1,1'-联萘]-2,2'-二酚

Also known as: (S)-3,3'-Dibromo-2,2'-dihydroxy-1,1'-binaphthyl, (S)-(+)-3,3'-Dibromo-1,1'-bi-2-naphthol, 3,3'-Dibromo-[1,1'-binaphthalene]-2,2'-diol, 3,3'-Dibromo-1,1'-binaphthyl-2,2'-diol

(S)-3,3'-Dibromo-1,1'-bi-2-naphthol (CAS 149821-06-7) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C20H12Br2O2 and a molecular weight of 444.11600 g/mol. It is also known as (S)-3,3'-Dibromo-2,2'-dihydroxy-1,1'-binaphthyl, (S)-(+)-3,3'-Dibromo-1,1'-bi-2-naphthol and 3,3'-Dibromo-[1,1'-binaphthalene]-2,2'-diol. Key properties include a melting point of 256-260ºC, a boiling point of 469.941ºC at 760 mmHg, a density of 1.761 g/cm3 and a flash point of 238.012ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 149821-06-7
Jingsj CID: J-1465959-9
Molecular Formula: C₂₀H₁₂Br₂O₂
Chinese Name: (S)-3,3'-二溴-[1,1'-联萘]-2,2'-二酚
Molecular Weight: 444.11600 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	256-260ºC
Boiling Point	469.941ºC at 760 mmHg
Density	1.761 g/cm3
Flash Point	238.012ºC

Frequently Asked Questions

What is the CAS number of (S)-3,3'-Dibromo-1,1'-bi-2-naphthol?

The CAS number of (S)-3,3'-Dibromo-1,1'-bi-2-naphthol is 149821-06-7.

What are the molecular formula and molecular weight of (S)-3,3'-Dibromo-1,1'-bi-2-naphthol?

(S)-3,3'-Dibromo-1,1'-bi-2-naphthol has molecular formula C20H12Br2O2 and molecular weight 444.11600 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "(S)-3,3'-Dibromo-1,1'-bi-2-naphthol (CAS 149821-06-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1465959-9 (accessed 2026-10-25).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.