4-Methyl-2-pentyne

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Names

[ CAS No. ]:
21020-27-9

[ Name ]:
4-Methyl-2-pentyne

[Synonym ]:
2-Pentyne, 4-methyl-
methylisopropylacetylene
Isopropylmethylacetylene
2-methyl-4-pentyne
4-Methylpent-2-yne
2-Pentyne,4-methyl
MFCD00041615
4-Methyl-2-pentyne
1-isopropyl-2-methylacetylene

Chemical & Physical Properties

[ Density]:
0.7±0.1 g/cm3

[ Boiling Point ]:
70.3±8.0 °C at 760 mmHg

[ Melting Point ]:
110ºC

[ Molecular Formula ]:
C6H10

[ Molecular Weight ]:
82.144

[ Flash Point ]:
-18.5±12.6 °C

[ Exact Mass ]:
82.078247

[ LogP ]:
2.34

[ Appearance of Characters ]:
Liquid | Clear slightly yellow

[ Vapour Pressure ]:
140.9±0.1 mmHg at 25°C

[ Index of Refraction ]:
1.414

[ Storage condition ]:
Flammables area

MSDS

Click to get detail MSDS

Safety Information

[ Hazard Codes ]:
F

[ Risk Phrases ]:
R11

[ Safety Phrases ]:
S16-S23-S24/25

[ RIDADR ]:
UN 3295 3/PG 2

[ WGK Germany ]:
3

[ Packaging Group ]:
II

[ Hazard Class ]:
3.0

[ HS Code ]:
2901299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-METHYL-3-PENTYN-2-OL
  • Isobutylene
  • 2-Pentyne, 4-chloro-4-methyl-
  • 1,3,3-Trimethylcyclopropene
  • (Z)-1-((4-methylpent-2-en-2-yl)seleninyl)-3-(trifluoromethyl)benzene
  • 2-Pentene, 4-methyl-,(2Z)-
  • 1-bromo-2,3-dimethyl-but-1-ene
  • 4-Methyl-2-pentanone

DownStream

  • 2-Methyl-3-pentanone
  • 4-Methyl-2-pentanone
  • 2-Pentene, 4-methyl-,(2Z)-
  • 1H-Indole,2-methyl-3-(1-methylethyl)-(9CI)
  • 1H-Indole,3-methyl-2-(1-methylethyl)-(9CI)
  • 5-methoxy-2-methyl-3-propan-2-ylnaphthalene-1,4-dione
  • 5-methoxy-3-methyl-2-propan-2-ylnaphthalene-1,4-dione
  • 6-methylhept-3-yn-1-ol
  • trans-4-METHYL-2-PENTENE

Customs

[ HS Code ]: 2901299090

[ Summary ]:
2901299090 unsaturated acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

Related Compounds

  • 4-amino-4-methyl-2-pentyne-1-al
  • (4R)-5-(tert-butyldiphenylsilyloxy)-4-methyl-2-pentyne
  • 4-methyl-4-phenyl-2-pentyne
  • (4-methyl-2,3-dihydro-1,4-benzoxazin-7-yl)methanol
  • 4-methyl-2-phenylsulfanylbenzo[h]quinoline
  • 4-methyl-2-phenyl-1,3-thiazole
  • 5-[[(4-Methylphenyl)methyl](methylsulfonyl)amino]-N-1-naphthalenylbenzo[b]thiophene-2-carboxamide
  • Thiophene, 3-(butylthio)-4-chlorotetrahydro-, 1,1-dioxide
  • N-(2-Methoxyphenyl)-5-[[(4-methylphenyl)methyl](methylsulfonyl)amino]benzo[b]thiophene-2-carboxamide
  • 5-[[(4-Bromophenyl)sulfonyl]methylamino]-N-(4-ethylphenyl)benzo[b]thiophene-2-carboxamide
  • 1-(2,5-Dimethylphenyl)-3-phenyl-1H-pyrazol-5-amine
  • 3-(6-Chloro-2-pyridinyl)-1-methylpyridinium iodide
  • (4-Acetylphenyl)trifluoroboranuide; tetrabutylazanium
  • 3-Ethoxy-4-tert-butylamino-cyclobut-3-ene-1,2-dione
  • (Prop-2-en-1-yl)[(3,4,5-trimethoxyphenyl)methyl]amine hydrochloride
  • N-(2-Chlorophenyl)-N-methylglycine
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