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(S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol

(S)-(-)-5,5',6,6'-四甲基-3,3'-二叔丁基-1,1'-联苯-2,2'-二醇

Also known as: (S)-(-)-5,5',6,6'-Tetramethyl-3,3'-di-tert-butyl-1,1'-biphenyl-2,2'-diol, (S)-BIPHEN H2, (S)-(-)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol, UNII-H4QBZ2LO84, MFCD01862439

(S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol (CAS 205927-03-3) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C24H34O2 and a molecular weight of 354.52600 g/mol. It is also known as (S)-(-)-5,5',6,6'-Tetramethyl-3,3'-di-tert-butyl-1,1'-biphenyl-2,2'-diol, (S)-BIPHEN H2 and (S)-(-)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol. Key property: a melting point of 170-174ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
205927-03-3
Jingsj CID
J-17700-5
Molecular Formula
C24H34O2
Chinese Name
(S)-(-)-5,5',6,6'-四甲基-3,3'-二叔丁基-1,1'-联苯-2,2'-二醇
Molecular Weight
354.52600 g/mol
Category
Alcohols
Last updated
8/21/2026

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Physicochemical Properties

Melting Point170-174ºC
Exact Mass354.25600
PSA40.46000
LogP6.59340

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 (S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol?

The CAS number of (S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol is 205927-03-3.

What are the molecular formula and molecular weight of (S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol?

(S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol has molecular formula C24H34O2 and molecular weight 354.52600 g/mol.

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

Last updated:

How to cite: Jingsj. "(S)-3,3'-Di-tert-butyl-5,5',6,6'-tetramethylbiphenyl-2,2'-diol (CAS 205927-03-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17700-5 (accessed 2026-10-28).

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