(S)-(+)-1-Phenyl-1,2-ethanediol

Also known as: (S)-(+)-Styrene glycol, (S)-(+)-1-Phenylethane-1,2-diol, (S)-1-Phenylethane-1,2-diol, (S)-(+)-1-Phenylethanediol, (1S)-1-phenylethane-1,2-diol, (S)-Styrene glycol, (S)-α,β-dihydroxyethylbenzene, S-(+)-Phenylethylene glycol

(S)-(+)-1-Phenyl-1,2-ethanediol (CAS 25779-13-9) is a compound in the Solvents category listed in the Jingsj chemical database. It has the molecular formula C8H10O2 and a molecular weight of 138.164 g/mol. Key properties include a melting point of 65-68ºC, a boiling point of 273.5±0.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 145.7±16.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25779-13-9
Jingsj CID: J-31932-4
Molecular Formula: C₈H₁₀O₂
Molecular Weight: 138.164 g/mol
Category: Solvents
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	65-68ºC
Boiling Point	273.5±0.0 °C at 760 mmHg
Density	1.2±0.1 g/cm3
Flash Point	145.7±16.4 °C
Exact Mass	138.068085
PSA	40.46000
LogP	0.04
Vapor Pressure	0.0±0.6 mmHg at 25°C
Refractive Index	1.573

Customs & Trade Information

HS Code	2906299090
Summary	2906299090 other aromatic alcohols。Supervision conditions:None。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)-(+)-1-Phenyl-1,2-ethanediol?

The CAS number of (S)-(+)-1-Phenyl-1,2-ethanediol is 25779-13-9.

What are the molecular formula and molecular weight of (S)-(+)-1-Phenyl-1,2-ethanediol?

(S)-(+)-1-Phenyl-1,2-ethanediol has molecular formula C8H10O2 and molecular weight 138.164 g/mol.

What are the upstream and downstream products of (S)-(+)-1-Phenyl-1,2-ethanediol?

For (S)-(+)-1-Phenyl-1,2-ethanediol, Upstream Products: 2-Hydroxyacetophenone, Methyl (2S)-2-hydroxy-2-phenylacetate, Phenylglyoxal monohydrate; Downstream Products: (S)-(+)-1-Phenyl-1,2-ethanediol 2-tosylate, 2-Hydroxyacetophenone, styrene glycol.

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. "(S)-(+)-1-Phenyl-1,2-ethanediol (CAS 25779-13-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31932-4 (accessed 2026-11-09).

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