2-Ethynyl-1,4-dimethylbenzene

Modify Date: 2025-08-25 15:52:24

2-Ethynyl-1,4-dimethylbenzene Structure
2-Ethynyl-1,4-dimethylbenzene structure
 Common Name 2-Ethynyl-1,4-dimethylbenzene
CAS Number 74331-70-7 Molecular Weight 130.18600
Density 0.914 Boiling Point 193-194ºC
Molecular Formula C10H10 Melting Point N/A
MSDS N/A Flash Point -13ºC

 Names

Name 2-Ethynyl-1,4-dimethylbenzene
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.914
Boiling Point 193-194ºC
Molecular Formula C10H10
Molecular Weight 130.18600
Flash Point -13ºC
Exact Mass 130.07800
LogP 2.28470
Index of Refraction 1.541

 Safety Information

Hazard Codes F: Flammable;Xi: Irritant;
Risk Phrases R11;R41
Safety Phrases 16-26-36
RIDADR UN 1993
HS Code 2902909090

 Synthetic Route

(E)-β-(2,5-dimethylphenyl)vinyl bromide structure

(E)-β-(2,5-dime...

CAS#:77403-89-5

~92%

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Apeloig, Yitzhak; Franke, Wilfried; Rappoport, Zvi; Schwarz, Helmut; Stahl, Daniel Journal of the American Chemical Society, 1981 , vol. 103, # 10 p. 2770 - 2780
2,5-Dimethyl-α-chlorstyrene structure

2,5-Dimethyl-α-...

CAS#:74331-90-1

~95%

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Yates, Keith; Mandrapilias, George Journal of Organic Chemistry, 1980 , vol. 45, # 19 p. 3902 - 3906
2,5-dimethylstyrene structure

2,5-dimethylstyrene

CAS#:2039-89-6

~%

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Journal of the American Chemical Society, , vol. 103, # 10 p. 2770 - 2780
2,5-Dimethylbromobenzene structure

2,5-Dimethylbro...

CAS#:553-94-6

~%

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Journal of Fluorine Chemistry, , vol. 43, p. 35 - 52
2-Iodo-1,4-dimethylbenzene structure

2-Iodo-1,4-dime...

CAS#:1122-42-5

Bromo(ethynyl)magnesium structure

Bromo(ethynyl)m...

CAS#:4301-14-8

~58%

2-[2-(2,5-dimethylphenyl)ethynyl]-1,4-dimethylbenzene structure

2-[2-(2,5-dimet...

CAS#:52284-17-0

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Journal of Organic Chemistry, , vol. 62, # 25 p. 8957 - 8960
2',5'-dimethylacetophenone structure

2',5'-dimethyla...

CAS#:2142-73-6

~%

2-Ethynyl-1,4-dimethylbenzene Structure

2-Ethynyl-1,4-d...

CAS#:74331-70-7

Literature: Journal of Organic Chemistry, , vol. 25, p. 687 - 690

 Customs

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%

 Synonyms

MFCD05664209
2,5-Dimethylphenylacetylene
2,5-dimethylphenylethyne
2-ethynyl-p-xylene
Benzene,2-ethynyl-1,4-dimethyl
1-ethynyl-2,5-dimethylbenzene
2-ethynyl-1,4-dimethyl-benzene
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Chemsrc provides 2-Ethynyl-1,4-dimethylbenzene(CAS#:74331-70-7) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 2-Ethynyl-1,4-dimethylbenzene are included as well.>> amp version: 2-Ethynyl-1,4-dimethylbenzene

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