2-Ethynyl-1,4-dimethylbenzene

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Names

[ CAS No. ]:
74331-70-7

[ Name ]:
2-Ethynyl-1,4-dimethylbenzene

[Synonym ]:
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

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

MSDS

Click to get detail MSDS

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

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • (E)-β-(2,5-dimethylphenyl)vinyl bromide
  • 2,5-Dimethyl-α-chlorstyrene
  • 2,5-dimethylstyrene
  • 2,5-Dimethylbromobenzene
  • 2-Iodo-1,4-dimethylbenzene
  • Bromo(ethynyl)magnesium
  • 2',5'-dimethylacetophenone

DownStream

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%

Related Compounds

  • 2-ethynyl-1-(4-methylphenyl)sulfonylpyrrolo[2,3-b]pyridine
  • 2-ethynyl-1,4-dimethoxy-3-(2-methoxyethoxymethoxy)benzene
  • 2-ethynyl-1-[(4-methoxyphenyl)methyl]imidazole-4,5-dicarbonitrile
  • 2-ethynyl-1,4-bis(trifluoromethyl)benzene
  • 2-[2-(2,5-dimethylphenyl)ethynyl]-1,4-dimethylbenzene
  • BENZENE, 2-ETHYNYL-1,4-DIFLUORO-
  • 1-methyl-4-(piperidine-1-sulfonyl)-1H-pyrrole-2-carboxylic acid
  • 1-(4-chloro-1H-pyrrole-2-carbonyl)piperidine-3-carboxylic acid
  • 4-(ethylsulfamoyl)-1H-pyrrole-2-carboxylic acid
  • 4-[(2-methoxyethyl)sulfamoyl]-1H-pyrrole-2-carboxylic acid
  • 4-[(dimethylamino)sulfonyl]-1H-pyrrole-2-carboxylic acid
  • 4-(dimethylsulfamoyl)-1-methyl-1H-pyrrole-2-carboxylic acid
  • 4-(methylsulfamoyl)-1H-pyrrole-2-carboxylic acid
  • 2-{2-[2-(4-Fluorophenyl)acetamido]-1,3-thiazol-4-yl}acetic acid
  • N-(4-Aminophenyl)-2-(2-methoxyphenoxy)acetamide
  • 2-(4-(Cyclopentyloxy)phenyl)ethanamine
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