Shanghai Nianxing Industrial Co., Ltd
China
Product Name: (S)-Styrene oxide
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: (S)-Styrene oxide
Price: ￥798.0/5g ￥2548.0/25g
Purity: 98.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: (S)-Styrene oxide
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

20780-54-5

20780-54-5 structure

20780-54-5 structure

Name: (S)-Styrene oxide
Chemical Name: (S)-styrene oxide
CAS Number: 20780-54-5
Molecular Formula: C₈H₈O
Molecular Weight: 120.148
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Cyclic hydrocarbon
Create Date: 2018-05-31 08:00:00
Modify Date: 2025-08-20 13:11:50

Name	(S)-styrene oxide
Synonyms	(S)-(-)-Styrene oxide (S)-(-)-Phenylethylene oxide (S)-2-Phenyl-oxirane MFCD00064310 (S)-2-Phenyloxirane (2S)-2-Phenyloxirane (S)-Phenylethylene oxide (S)-(-)-Phenyloxirane Oxirane, 2-phenyl-, (2S)- S-Phenyloxirane (S)-(−)-Phenyloxirane (S)-Styrene oxide (S)-(−)-Styrene oxide Benzene, (epoxyethyl)-, (S)-

Density	1.1±0.1 g/cm3
Boiling Point	193.9±9.0 °C at 760 mmHg
Molecular Formula	C₈H₈O
Molecular Weight	120.148
Flash Point	79.4±0.0 °C
Exact Mass	120.057518
PSA	12.53000
LogP	1.61
Vapour Pressure	0.6±0.4 mmHg at 25°C
Index of Refraction	1.564
Storage condition	2~8℃

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ9625030

CHEMICAL NAME :: Benzene, (epoxyethyl)-, (S)-

CAS REGISTRY NUMBER :: 20780-54-5

LAST UPDATED :: 199506

DATA ITEMS CITED :: 5

MOLECULAR FORMULA :: C8-H8-O

MOLECULAR WEIGHT :: 120.16

WISWESSER LINE NOTATION :: T3OTJ BR

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Mutation test systems - not otherwise specified

TYPE OF TEST :: Cytogenetic analysis

TYPE OF TEST :: Sister chromatid exchange

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Lung

DOSE/DURATION :: 125 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 278,289,1992

Symbol	GHS06, GHS08
Signal Word	Danger
Hazard Statements	H311-H315-H319-H331-H350
Precautionary Statements	P201-P261-P280-P305 + P351 + P338-P311
Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	T:Toxic;
Risk Phrases	R45;R20/21;R36/38
Safety Phrases	S53-S26-S36/37-S45
RIDADR	UN 2810 6.1/PG 3
WGK Germany	3
RTECS	CZ9625030
HS Code	2910900090

Precursor 10
40435-14-1 532-27-4 292638-84-7 70111-05-6
96-09-3 1155277-45-4 70-11-1 103665-43-6
2425-28-7 100-52-7
DownStream 10
17628-72-7 66051-01-2 93-56-1 93-54-9
1123-85-9 60-12-8 1445-91-6 16355-00-3
25779-13-9 56613-81-1

HS Code	2910900090
Summary	2910900090. epoxides, epoxyalcohols, epoxyphenols and epoxyethers, with a three-membered ring, and their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

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