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

2039-89-6

2039-89-6 structure

Name: 2,5-dimethylstyrene
Chemical Name: 2-ethenyl-1,4-dimethylbenzene
CAS Number: 2039-89-6
Molecular Formula: C₁₀H₁₂
Molecular Weight: 132.20200
Create Date: 2018-08-17 17:23:27
Modify Date: 2025-08-24 20:43:02

Name	2-ethenyl-1,4-dimethylbenzene
Synonyms	2-ethenyl-1,4-dimethyl-benzene MFCD00008614 Benzene,2-ethenyl-1,4-dimethyl Styrene,2,5-dimethyl 2,5-Dimethylstyrene 1,4-Dimethyl-2-vinylbenzene EINECS 218-028-9 o-vinyl-p-xylene 2-vinyl-p-xylene 1,4-Dimethyl-2-ethenylbenzene

Density	0.904 g/mL at 25 °C(lit.)
Boiling Point	71-72 °C10 mm Hg(lit.)
Melting Point	−35 °C(lit.)
Molecular Formula	C₁₀H₁₂
Molecular Weight	132.20200
Flash Point	147 °F
Exact Mass	132.09400
LogP	2.94640
Vapour Pressure	0.628mmHg at 25°C
Index of Refraction	n20/D 1.539(lit.)
Storage condition	Keep Cold

CHEMICAL IDENTIFICATION

RTECS NUMBER :: WL4460000

CHEMICAL NAME :: Styrene, 2,5-dimethyl-

CAS REGISTRY NUMBER :: 2039-89-6

BEILSTEIN REFERENCE NO. :: 2203656

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C10-H12

MOLECULAR WEIGHT :: 132.22

WISWESSER LINE NOTATION :: 1U1R B1 E1

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	GHS07
Signal Word	Warning
Hazard Statements	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
Safety Phrases	S26-S36/37/39
RIDADR	1993
WGK Germany	3
RTECS	WL4460000
HS Code	2902909090

95-72-7

7486-35-3

~72%

2039-89-6

Literature: Littke, Adam F.; Schwarz, Lothar; Fu, Gregory C. Journal of the American Chemical Society, 2002 , vol. 124, # 22 p. 6343 - 6348

32917-52-5

2039-89-6

Literature: Gazzetta Chimica Italiana, , vol. 89, p. 1749,1759 Journal of the American Chemical Society, , vol. 78, p. 322,324

1835-85-4

108-24-7

~6%

1004519-12-3

1004519-21-4

Detail

Literature: Tetrahedron Letters, , vol. 48, # 52 p. 9144 - 9147

5779-94-2

1779-49-3

2039-89-6

Literature: Journal of the American Chemical Society, , vol. 134, # 29 p. 11900 - 11903

110663-93-9

2039-89-6

Literature: Naturwissenschaften, , vol. 44, p. 584

2142-73-6

2039-89-6

Literature: Zhurnal Organicheskoi Khimii, , vol. 7, # 5 p. 992 - 996,1011 - 1015

10224-93-8

2039-89-6

Literature: US2420689 , ;

10224-93-8

106-42-3

2039-89-6

Literature: US2420689 , ;

Precursor 9
95-72-7 7486-35-3 32917-52-5 108-24-7
5779-94-2 1779-49-3 110663-93-9 2142-73-6
10224-93-8
DownStream 7
74331-70-7 5779-94-2 25173-75-5 1758-88-9
22349-59-3 433230-57-0 42268-79-1

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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