(1S,2S)-cyclopentane-1,2-diol

Also known as: (1S)-trans-1,2-Cyclopentanediol, (1S,2S)-trans-1,2-Cyclopentanediol, 1,2-Cyclopentanediol, (1S,2S)-, MFCD00082581

(1S,2S)-cyclopentane-1,2-diol (CAS 63261-45-0) is a compound in the Alcohols category listed in the Jingsj chemical database. It has the molecular formula C5H10O2 and a molecular weight of 102.13200 g/mol. Key properties include a melting point of 46-50ºC, a boiling point of 136ºC/21.5 mmHg(lit.), a density of 1.235g/cm3 and a flash point of 113ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 63261-45-0
Jingsj CID: J-34938-2
Molecular Formula: C₅H₁₀O₂
Molecular Weight: 102.13200 g/mol
Category: Alcohols
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	46-50ºC
Boiling Point	136ºC/21.5 mmHg(lit.)
Density	1.235g/cm3
Flash Point	113ºC
Exact Mass	102.06800
PSA	40.46000
Refractive Index	1.547

Customs & Trade Information

HS Code	2906199090
Summary	2906199090. cyclanic, cyclenic or cyclotherpenic alcohols. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

Frequently Asked Questions

What is the CAS number of (1S,2S)-cyclopentane-1,2-diol?

The CAS number of (1S,2S)-cyclopentane-1,2-diol is 63261-45-0.

What are the molecular formula and molecular weight of (1S,2S)-cyclopentane-1,2-diol?

(1S,2S)-cyclopentane-1,2-diol has molecular formula C5H10O2 and molecular weight 102.13200 g/mol.

What are the upstream and downstream products of (1S,2S)-cyclopentane-1,2-diol?

For (1S,2S)-cyclopentane-1,2-diol, Upstream Products: Cyclopentene oxide, trans-1,2-Cyclopentanediol, acetic acid.

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. "(1S,2S)-cyclopentane-1,2-diol (CAS 63261-45-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-34938-2 (accessed 2026-11-09).

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