1,4-pentadiyne

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Names

[ CAS No. ]:
24442-69-1

[ Name ]:
1,4-pentadiyne

[Synonym ]:
Diethinylmethan
CH.equiv.CCH2C.equiv.CH
Penta-1,4-diin
Propargylacetylene
malononitrile
1,4-Pentadiyne
1,4-Pentadiin
Diethynylmethane

Chemical & Physical Properties

[ Density]:
0.815g/cm3

[ Boiling Point ]:
61.1ºC at 760mmHg

[ Molecular Formula ]:
C5H4

[ Molecular Weight ]:
64.08530

[ Exact Mass ]:
64.03130

[ LogP ]:
0.64290

[ Vapour Pressure ]:
201mmHg at 25°C

[ Index of Refraction ]:
1.443

Safety Information

[ HS Code ]:
2901299090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 3-Bromopropyne
  • Bromo(ethynyl)magnesium
  • penta-1,3-diyne
  • 2-Propyn-1-yl 4-methylbenzenesulfonate

DownStream

  • bismine
  • 1,4-Dihydro-1-chlorbismabenzol
  • phosphinine
  • di-n-butyldibromotin
  • 1-phenyl-1-boracyclohexa-2,5-diene
  • 1,1-dibutyl-4H-stannine
  • 1-Arsabenzene
  • Antimonin

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

  • 3-Hydroxy-1,4-pentadiyne
  • 3-methyl-1,4-pentadiyne-3-ol
  • 3-Hydroxy-3-(4-piperidyl)-1,4-pentadiyne
  • Benzene,1,1'-(1,4-pentadiyne-1,5-diyl)bis-
  • 1-[4-(6,8-dibromo-2-methyl-4-oxoquinazolin-3-yl)-3-methylphenyl]sulfonyl-3-phenylurea
  • 1-[4-(6,8-dibromo-2-methyl-4-oxoquinazolin-3-yl)phenyl]sulfonyl-3-(4-methylphenyl)urea
  • 1-(2-(Benzyloxy)-3-isopropylphenyl)ethan-1-one
  • 4-Bromo-6-methyl-2-(2-propen-1-yl)-3-pyridinyl 4-chlorobenzenesulfonate
  • 1-Fluoro-3-methoxy-2-(phenylmethoxy)-benzene
  • 2-(2-Fluoro-6-methoxyphenoxy)ethan-1-amine
  • Anthra[1,9-cd]pyrazol-6(2H)-one, 2-[2-(diethylamino)ethyl]-8,10-dimethoxy-4-methyl-
  • N-(2-Amino-4-fluorophenyl)-5-methyl-2-pyrazinecarboxamide
  • 8-(3-(dimethylamino)propyl)-1,6,7-trimethyl-3-(2-methylbenzyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • 5-cyano-N'-hydroxy-1-methyl-1H-imidazole-4-carboximidamide
  • 8-(3-(dimethylamino)propyl)-3-(2-fluorobenzyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
  • 3-cinnamyl-8-(3-(dimethylamino)propyl)-1,6,7-trimethyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
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