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(S)-Styrene oxide

CAS No.
20780-54-5
Chemical Name:
(S)-Styrene oxide
Synonyms
(s)-benzen;(S)-EPOXYSTYROL;(S)-PHENYLOXIRANE;(S)-STYRENE OXIDE;(S)-(+)-Styryl oxide;(S)-(-)-Epoxystyrene;(2S)-2β-Phenyloxirane;(2S)-2-Phenyl-oxirane;[(2S)-Oxiranyl]benzene;S-2-PhenylEthyleneOxide
CBNumber:
CB1470099
Molecular Formula:
C8H8O
Molecular Weight:
120.15
MDL Number:
MFCD00064310
MOL File:
20780-54-5.mol
Last updated:2026-01-13 11:14:15
Product description Number Pack Size Price
(S)-(?)-Styrene oxide 98%, optical purity ee: 98% (HPLC) 540102 5g $85.84
(S)-(?)-Styrene oxide 98%, optical purity ee: 98% (HPLC) 540102 25g $179
(S)-Phenyloxirane ChiPros?, produced by BASF, 98% 726834 25g $374
(S)-Styrene Oxide S0517 5G $68
(S)-Styrene Oxide S0517 25G $203
More product size

(S)-Styrene oxide Properties

alpha -33 º (neat)
Boiling point 192-194 °C(lit.)
Density 1.051 g/mL at 25 °C(lit.)
refractive index n20/D 1.535
Flash point 175 °F
storage temp. 2-8°C
form clear liquid
color Colorless to Light yellow to Light orange
optical activity [α]20/D 33°, neat
BRN 3587977
InChI InChI=1S/C8H8O/c1-2-4-7(5-3-1)8-6-9-8/h1-5,8H,6H2/t8-/m1/s1
InChIKey AWMVMTVKBNGEAK-MRVPVSSYSA-N
SMILES O1C[C@@H]1C1=CC=CC=C1
CAS DataBase Reference 20780-54-5(CAS DataBase Reference)
FDA UNII AV5P894C84
UNSPSC Code 12352005
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictogramsGHS hazard pictograms
GHS06,GHS08,GHS09
Signal word  Danger
Hazard statements  H311+H331-H315-H319-H350-H411
Precautionary statements  P273-P280-P302+P352+P312-P304+P340+P311-P305+P351+P338-P308+P313
PPE Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Codes  T
Risk Statements  45-20/21-36/38
Safety Statements  53-26-36/37-45
RIDADR  UN 2810 6.1/PG 3
WGK Germany  3
RTECS  CZ9625030
10
HazardClass  6.1
HS Code  2910900090
Storage Class 6.1C - Combustible acute toxic Cat.3
toxic compounds or compounds which causing chronic effects
Hazard Classifications Acute Tox. 3 Dermal
Acute Tox. 3 Inhalation
Aquatic Chronic 2
Carc. 1B
Eye Irrit. 2
Skin Irrit. 2
Limited Quantities 5.0 L (1.3 gallons) (liquid) or 5.0 kg (11 lbs) (solid)
Excepted Quantities Max Inner Pack (30g or 30ml) and Max Outer Pack (1Kg or 1L)
NFPA 704
2
2 0

(S)-Styrene oxide price More Price(30)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 540102 (S)-(?)-Styrene oxide 98%, optical purity ee: 98% (HPLC) 20780-54-5 5g $85.84 2025-07-31 Buy
Sigma-Aldrich 540102 (S)-(?)-Styrene oxide 98%, optical purity ee: 98% (HPLC) 20780-54-5 25g $179 2025-07-31 Buy
Sigma-Aldrich 726834 (S)-Phenyloxirane ChiPros?, produced by BASF, 98% 20780-54-5 25g $374 2023-06-20 Buy
TCI Chemical S0517 (S)-Styrene Oxide 20780-54-5 5G $68 2025-07-31 Buy
TCI Chemical S0517 (S)-Styrene Oxide 20780-54-5 25G $203 2025-07-31 Buy
Product number Packaging Price Buy
540102 5g $85.84 Buy
540102 25g $179 Buy
726834 25g $374 Buy
S0517 5G $68 Buy
S0517 25G $203 Buy

(S)-Styrene oxide Chemical Properties,Uses,Production

Chemical Properties

Colorless to light yellow liqui

Uses

(S)-(-)-Styrene oxide can undergo copolymerization with CO2 to form the corresponding polycarbonate in the presence of a cobalt-based catalyst system.

Definition

ChEBI: The (S)-enantiomer of styrene oxide.

General Description

Styrene oxide is an oxirane derivative, which is used as a monomer for the synthesis of polyesters with relatively high?Tg values via ring-opening copolymerization. It can also be used as a useful intermediate in the preparation of levamisole, a nematocide?and anticancer agent.

(S)-Styrene oxide Preparation Products And Raw materials

Raw materials

Preparation Products

Global( 216)Suppliers
Supplier Tel Email Country ProdList Advantage
Henan Fengda Chemical Co., Ltd
+86-371-86557731 +86-13613820652 info@fdachem.com China 20128 58
Henan Tianfu Chemical Co.,Ltd.
+86-0371-55170693 +86-19937530512 info@tianfuchem.com China 21597 55
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Shaanxi Dideu Medichem Co. Ltd
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AFINE CHEMICALS LIMITED
+86-0571-85134551 sales@afinechem.com China 15080 58
Dayang Chem (Hangzhou) Co.,Ltd.
+86-0571-88938639 +8617705817739 info@dycnchem.com China 52846 58

View Lastest Price from (S)-Styrene oxide manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
(S)-Styrene oxide pictures 2025-09-25 (S)-Styrene oxide
20780-54-5
US $100.00-1.00 / KG 1KG 99% g-kg-tons, free sample is available Henan Fengda Chemical Co., Ltd
(S)-Styrene oxide pictures 2025-04-04 (S)-Styrene oxide
20780-54-5
US $0.00-0.00 / kg 1kg 98% 1Ton Henan Aochuang Chemical Co.,Ltd.
	(S)-Styrene oxide pictures 2019-07-06 (S)-Styrene oxide
20780-54-5
US $7.00 / KG 1KG 99% 100KG Career Henan Chemical Co
(S)-(-)-Styrene oxide 98%, optical purity ee: 98% (HPLC) (epoxyethyl)-,(S)-Benzene (S)-(-)-Epoxystyrene (S)-(+)-Styryl oxide S-2-PhenylEthyleneOxide (S)-Phenyloxirane(S)-Styrene oxide,(S)-Epoxystyrol (s)-benzen (S)-(-)-1,2-EPOXYETHYLBENZENE (S)-(+)-EPOXYETHYLBENZENE (S)-EPOXYSTYROL (S)-PHENYLETHYLENE OXIDE (S)-PHENYLOXIRANE (S)-STYRENE OXIDE (S) 2-Phenyl ethylene oxide (S) Styrene oxide (S)-(-)-Phenyloxirane, (S)-Phenylethylene oxide (S)-Phenylethylene oxide, (S)-Styrene oxide (2S)-2β-Phenyloxirane [(2S)-Oxiranyl]benzene (S)-(-)-STYRENE OXIDE 98% (S)-(-)-Styrene oxide (S)-(-)-Styrene oxide , optical purity Oxirane, 2-phenyl-, (2S)- (S)-Styrene oxide ISO 9001:2015 REACH C8H8O (S)-Styrene oxide 20780-54-5 (S)-Phenyloxirane (2S)-2-Phenyl-oxirane 20780-54-5 20785-54-5 Chiral Building Blocks Asymmetric Synthesis Epoxides Organic Building Blocks Chiral Compounds Epoxides chiral Chiral Compound