Shanghai Nianxing Industrial Co., Ltd
China
Product Name: β-Methylstyrene
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: β-Methylstyrene
Price: ￥398.0/5g
Purity: 95.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

637-50-3

637-50-3 structure

637-50-3 structure

Name: β-Methylstyrene
Chemical Name: β-Methylstyrene
CAS Number: 637-50-3
Molecular Formula: C₉H₁₀
Molecular Weight: 118.176
Create Date: 2018-05-21 08:00:00
Modify Date: 2025-08-20 10:50:49

Name	β-Methylstyrene
Synonyms	Benzene, (1E)-1-propen-1-yl- MFCD00009280 Styrene, β-methyl-, (E)- trans-β-Methylstyrene (1E)-1-Propen-1-ylbenzene Benzene, 1-propen-1-yl- trans-β-methyl styrene β-Methylstyrene (1E)-Prop-1-en-1-ylbenzene (1E)-Prop-1-en-1-ylbenzol EINECS 211-287-9 trans-beta-Methylstyrene

Density	0.9±0.1 g/cm3
Boiling Point	167.5±0.0 °C at 760 mmHg
Melting Point	-27.3ºC
Molecular Formula	C₉H₁₀
Molecular Weight	118.176
Flash Point	60.0±0.0 °C
Exact Mass	118.078247
LogP	3.22
Vapour Pressure	2.2±0.1 mmHg at 25°C
Index of Refraction	1.560
Storage condition	2-8°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DA8400000

CHEMICAL NAME :: Benzene, propenyl-

CAS REGISTRY NUMBER :: 637-50-3

BEILSTEIN REFERENCE NO. :: 1679279

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C9-H10

MOLECULAR WEIGHT :: 118.19

WISWESSER LINE NOTATION :: 1U2R

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 3600 mg/kg

TOXIC EFFECTS :: Nutritional and Gross Metabolic - weight loss or decreased weight gain

REFERENCE :: FCTXAV Food and Cosmetics Toxicology. (London, UK) V.1-19, 1963-81. For publisher information, see FCTOD7. Volume(issue)/page/year: 2,327,1964

Hazard Codes	Xn,N,F,Xi
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
RIDADR	UN 2618 3/PG 3
WGK Germany	2
RTECS	DA8400500
Hazard Class	3.0
HS Code	2902909090

Precursor 10
4436-22-0 673-32-5 590-14-7 100-59-4
4392-24-9 300-57-2 201230-82-2 93-54-9
1530-32-1 100-52-7
DownStream 10
10304-81-1 4393-06-0 55-52-7 916658-71-4
916658-74-7 329685-40-7 4392-24-9 7217-71-2
100-52-7 93-55-0

HS Code	2902909090
Summary	2902909090 other aromatic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

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