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

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

CAS No.: 25779-13-9

Chemical Name:: (S)-(+)-1-Phenyl-1,2-ethanediol

Synonyms: (S)-STYRENE GLYCOL;(+)-Styrene glycol;Iloprost Impurity 7;(S)-(+)-STYRENEGLYCOL;(S)-()-Stryrene glycol;(S)-Phenylethane-1,2-diol;S(+)-PHENYLETHYLENE GLYCOL;(S)-(+)-1-PHENYLETHANEDIOL;(S)-1-PHENYL-1,2-ETHANEDIOL;(1S)-1-phenylethane-1,2-diol

CBNumber:: CB2693253

Molecular Formula:: C8H10O2

Molecular Weight:: 138.16

MDL Number:: MFCD00066256

MOL File:: 25779-13-9.mol

MSDS File:: SDS

TDS File:: TDS

Last updated:2026-05-28 00:43:03

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

Melting point	64-67 °C(lit.)
alpha	66 º (c=1, chloroform)
Boiling point	272-274 °C (755 mmHg)
Density	1.0742 (rough estimate)
refractive index	40 ° (C=3, H2O)
Flash point	320 °F
storage temp.	Sealed in dry,Room Temperature
solubility	Chloroform (Slightly), Methanol (Slightly)
form	Solid
pka	13.61±0.20(Predicted)
color	Off-White
optical activity	[α]18/D +66°, c = 1 in chloroform
Water Solubility	soluble
BRN	3196197
InChI	1S/C8H10O2/c9-6-8(10)7-4-2-1-3-5-7/h1-5,8-10H,6H2/t8-/m1/s1
InChIKey	PWMWNFMRSKOCEY-MRVPVSSYSA-N
SMILES	OC[C@@H](O)c1ccccc1
CAS DataBase Reference	25779-13-9(CAS DataBase Reference)
FDA UNII	8IB2T1FT6B
UNSPSC Code	12352002
NACRES	NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)

GHS07

Signal word

Warning

Hazard statements

H302-H315-H319-H335

Precautionary statements

P261-P305+P351+P338

PPE

Eyeshields, Gloves, type N95 (US)

Hazard Codes

Xi,T

Risk Statements

23/24/25-36/37/38

Safety Statements

24/25-45-36/37/39-26

WGK Germany

Hazard Note

Irritant

HS Code

29062900

Storage Class

11 - Combustible Solids

NFPA 704

	0
1		0

(S)-(+)-1-Phenyl-1,2-ethanediol price More Price(55)

Manufacturer	Product number	Product description	CAS number	Packaging	Price	Updated	Buy
Sigma-Aldrich	302155	(S)-(+)-1-Phenyl-1,2-ethanediol 99%	25779-13-9	1g	$185	2026-04-30	Buy
TCI Chemical	P1151	(S)-(+)-1-Phenylethane-1,2-diol >98.0%(GC)	25779-13-9	1g	$55	2026-04-30	Buy
TCI Chemical	P1151	(S)-(+)-1-Phenylethane-1,2-diol >98.0%(GC)	25779-13-9	5g	$164	2026-04-30	Buy
Usbiological	289190	S-Styrene glycol	25779-13-9	2g	$332	2026-06-03	Buy
Usbiological	289190	S-Styrene glycol	25779-13-9	5g	$466	2026-06-03	Buy

Product number	Packaging	Price	Buy
302155	1g	$185	Buy
P1151	1g	$55	Buy
P1151	5g	$164	Buy
289190	2g	$332	Buy
289190	5g	$466	Buy

(S)-(+)-1-Phenyl-1,2-ethanediol Chemical Properties,Uses,Production

Chemical Properties

(S)-(+)-1-Phenyl-1,2-ethanediol is white to light yellow crystal powde

Uses

(S)-(+)-1-Phenyl-1,2-ethanediol used as a chiral building block in organic synthesis, used in the preparation of chiral 2-amino-1-phenylethanols as pharmaceutical intermediates.

Uses

Extremely valuable and versatile alcohol used as a chiral building block in organic synthesis, used in the preparation of chiral 2-amino-1-phenylethanols as pharmaceutical intermediates.

Biosynthesis

Terminal vicinal diols are important chiral building blocks and intermediates in organic synthesis. Reduction of α-hydroxy ketones provides a straightforward approach to access these important compounds. It has been found that asymmetric reduction of a series of α-hydroxy aromatic ketones and 1-hydroxy-2-pentanone, catalyzed by Candida magnolia carbonyl reductase (CMCR) with glucose dehydrogenase (GDH) from Bacillus subtilis for cofactor regeneration, afforded 1-aryl-1,2-ethanediols ((S)-(+)-1-Phenyl-1,2-ethanediol) and pentane-1,2-diol, respectively, in up to 99 % ee.[1]

Purification Methods

Purify the diol by recrystallisation from *C6H6/ligroin and sublime it at 1-2mm. [Arpesella et al. Gazetta 85 1354 1955, Prelog et al. Helv Chim Acta 37 221 1954, Beilstein 6 IV 5939.]

References

[1] Highly Efficient Synthesis of Optically Pure (S)-1-phenyl-1,2-ethanediol by a Self-Sufficient Whole Cell Biocatalyst. DOI:10.1002/open.201500045

(S)-(+)-1-Phenyl-1,2-ethanediol Preparation Products And Raw materials

Raw materials

Preparation Products

(R)-Styrene oxide (S)-(-)-2-Phenylglycinol

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

Global( 268)Suppliers

Supplier	Tel	Email	Country	ProdList	Advantage
J & K SCIENTIFIC LTD.	18210857532 18210857532	jkinfo@jkchemical.com	China	96815	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	4006356688 18621169109	market03@meryer.com	China	40202	62
INTATRADE GmbH	+49 3493/605464	sales@intatrade.de	Germany	3563	66
Alfa Aesar	400-6106006	saleschina@alfa-asia.com	China	30103	84
TCI (Shanghai) Development Co., Ltd.	021-67121386	Sales-CN@TCIchemicals.com	China	24512	81
Ark Pharm, Inc.	847-367-3680	sales@arkpharminc.com	United States	1669	56
Energy Chemical	400-0056266	sales8178@energy-chemical.com	China	44850	61
Capot Chemical Co., Ltd	+86 (0) 571 85 58 67 18		China	18187	66
Pure Chemistry Scientific Inc.	001-857-928-2050 or 1-888-588-9418	sales@chemreagents.com	United States	10174	62
Shanghai Longsheng chemical Co.,Ltd.	58099637 13585536065	sales@shlschem.com	China	9880	59

Supplier	Advantage
J & K SCIENTIFIC LTD.	76
Meryer (Shanghai) Chemical Technology Co., Ltd.	62
INTATRADE GmbH	66
Alfa Aesar	84
TCI (Shanghai) Development Co., Ltd.	81
Ark Pharm, Inc.	56
Energy Chemical	61
Capot Chemical Co., Ltd	66
Pure Chemistry Scientific Inc.	62
Shanghai Longsheng chemical Co.,Ltd.	59

View Lastest Price from (S)-(+)-1-Phenyl-1,2-ethanediol manufacturers

Update time	Product	Price	Min. Order	Purity	Supply Ability	Manufacturer
2026-08-25	styrene glycol 25779-13-9	$1.10-9.90	1kg	99%min	100kg	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
2026-03-20	(S)-(+)-1-Phenyl-1,2-ethanediol 25779-13-9		1KG	99%	20 mt	Hebei Chuanghai Biotechnology Co., Ltd
2019-08-06	(S)-(+)-1-Phenyl-1,2-ethanediol 25779-13-9	$1.00	1KG	95%-99%	2000kg	Career Henan Chemical Co

styrene glycol
25779-13-9
$1.10-9.90
99%min
ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD

(S)-(+)-1-Phenyl-1,2-ethanediol
25779-13-9
99%
Hebei Chuanghai Biotechnology Co., Ltd

(S)-(+)-1-Phenyl-1,2-ethanediol
25779-13-9
$1.00
95%-99%
Career Henan Chemical Co

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

(S)-(+)-1-Phenyl-1,2-ethanediol(25779-13-9)¹HNMR (S)-(+)-1-Phenyl-1,2-ethanediol(25779-13-9)IR (S)-(+)-1-Phenyl-1,2-ethanediol(25779-13-9)Raman (S)-(+)-1-Phenyl-1,2-ethanediol(25779-13-9)FT-IR

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ORIENTIN Propiophenone (S)-(+)-Mandelic acid

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(S)-1-Phenyl-1,2-ethanediol,99%e.e. (S)-(+)-1-PHENYLETHANEDIOL (S)-(-)-1-PHENYL-1,2-ETHANEDIOL (S)-ALPHA,BETA-DIHYDROXYETHYLBENZENE S(+)-PHENYLETHYLENE GLYCOL (S)-(+)-PHENYL-1,2-ETHANEDIOL (S)-(+)-STYRENEGLYCOL (S)-STYRENE GLYCOL (S)-(+)-1-PHENYLETHANE-1,2-DIOL (1S)-1-phenylethane-1,2-diol (S)-(+)-1-Phenyl-1,2-ethanediol 99% (S)-(+)-1-PHENYL-1,2-ETHANEDIOL (S)-1-PHENYL-1,2-ETHANEDIOL (S)-(+)-1,2-PHENYLETHANEDIOL (S)-(+)-1-Phenyl-1,2-ethanediol, 99+% styreneglycol,styreneglycol(1-phenyl1,2-ethanediol) (S)-(+)-1-PHENYLETHANE-1,2-DIOL 98+% (+)-Styrene glycol, (S)-(+)-Phenylethylene glycol (1S)-1-Phenyl-1,2-ethanediol (2S)-2-Phenylethylene glycol (S)-α-(Hydroxymethyl)benzenemethanol [(S)-β-Hydroxyphenethyl] alcohol (S) Phenyl-1,2 ethanediol (S) Styrene glycol, (S)-(+)-1-Phenyl-1,2-ethanediol ,98% (S)-1-Phenyl-2-hydroxyethanol (S)-Phenylethane-1,2-diol S-(+)-1-Pheny-1,2-ethanediol (S)-(+)-1-Phenyl-1,2-ethanediol, 99+% 1GR (S)-()-Stryrene glycol (S)-(+)-ALPHA,BETA-DIHYDROXYETHYLBENZENE (S)-(+)-1-Phenylethane-1,2-diol> 1,2-Ethanediol, 1-phenyl-, (1S)- (+)-Styrene glycol Iloprost Impurity 7 (S)-(+)-1-Phenyl-1,2-ethanediol 25779-13-9 Simple Alcohols (Chiral) Chiral Building Blocks Asymmetric Synthesis Organic Building Blocks Polyols Aromatics Chiral Reagents Intermediates Chiral Compounds Diols chiral Chiral Building Blocks Simple Alcohols (Chiral) Synthetic Organic Chemistry