Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,4-dimethylstyrene
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Benzene,1-ethenyl-2,4-dimethyl-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 2,4-dimethylstyrene
Price: ￥Inquiry/1g ￥Inquiry/250mg ￥Inquiry/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

2234-20-0

2234-20-0 structure

2234-20-0 structure

Name: 2,4-dimethylstyrene
Chemical Name: 1-ethenyl-2,4-dimethylbenzene
CAS Number: 2234-20-0
Molecular Formula: C₁₀H₁₂
Molecular Weight: 132.20200
Catalog: Chemical reagent Organic reagent Olefins (cyclic and non-cyclic)
Create Date: 2018-07-08 19:52:41
Modify Date: 2025-08-22 18:51:33

Name	1-ethenyl-2,4-dimethylbenzene
Synonyms	Benzene,1-ethenyl-2,4-dimethyl 2,4-Dimethylstyrene 1,3-Dimethyl-4-vinylbenzene 2,4-DIAMINOPYRIMIDINE-5-CARBOXALDEHYDE 1-Vinyl-2,4-dimethylbenzene 1,3-Dimethyl-4-ethenylbenzene MFCD00014937 2,4-dimethyl vinyl benzene 2,4-Dimethyl-styrol EINECS 218-781-3 4-Vinyl-m-xylene 2,4-dimethyl-1-vinylbenzene Styrene,2,4-dimethyl

Density	0.906 g/mL at 25 °C(lit.)
Boiling Point	73-74 °C10 mm Hg(lit.)
Melting Point	−64 °C(lit.)
Molecular Formula	C₁₀H₁₂
Molecular Weight	132.20200
Flash Point	140 °F
Exact Mass	132.09400
LogP	2.94640
Vapour Pressure	0.554mmHg at 25°C
Index of Refraction	n20/D 1.543(lit.)
Storage condition	0-6°C

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL4450000

CHEMICAL NAME :: Styrene, 2,4-dimethyl-

CAS REGISTRY NUMBER :: 2234-20-0

BEILSTEIN REFERENCE NO. :: 2037627

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H12

MOLECULAR WEIGHT :: 132.22

WISWESSER LINE NOTATION :: 1U1R B1 D1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 5 gm/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: 28ZRAQ "Toxicology and Biochemistry of Aromatic Hydrocarbons," Gerarde, H., New York, Elsevier, 1960 Volume(issue)/page/year: -,58,1960

Symbol	GHS02, GHS07
Signal Word	Warning
Hazard Statements	H226-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi: Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36/37/39
RIDADR	UN 3295 3/PG 3
WGK Germany	3
RTECS	WL4450000
Packaging Group	III
Hazard Class	3
HS Code	2902909090

Precursor 8
193277-05-3 10224-95-0 108-38-3 6597-59-7
14352-93-3 1779-49-3 15764-16-6 6331-04-0
DownStream 10
611-01-8 1811-85-4 150254-19-6 874-41-9
50-00-0 15764-16-6 898759-33-6 51042-16-1
103-30-0 24942-82-3

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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