but-2-ynedinitrile

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Names

[ CAS No. ]:
1071-98-3

[ Name ]:
but-2-ynedinitrile

[Synonym ]:
di-cyanoacetylene
2-Butynedinitrile (9CI)
Sous-azote de carbone [French]
2-butynedinitrile
Sous-azote de carbone
butynedinitrile
ACETYLENEDICARBONITRILE
Dicyanoethyne
Butindinitril
acetylenedicarboxylic acid dinitrile

Chemical & Physical Properties

[ Density]:
1.176g/cm3

[ Boiling Point ]:
76.5ºC at 760mmHg

[ Molecular Formula ]:
C4N2

[ Molecular Weight ]:
76.05620

[ Exact Mass ]:
76.00610

[ PSA ]:
47.58000

[ LogP ]:
0.03696

[ Vapour Pressure ]:
101mmHg at 25°C

[ Index of Refraction ]:
1.481

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AO9860000
CHEMICAL NAME :
Acetylenedicarbonitrile
CAS REGISTRY NUMBER :
1071-98-3
BEILSTEIN REFERENCE NO. :
1735267
LAST UPDATED :
199612
DATA ITEMS CITED :
2
MOLECULAR FORMULA :
C4-N2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Intravenous
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
73 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 152,1707,1911
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
195 mg/kg
TOXIC EFFECTS :
Behavioral - convulsions or effect on seizure threshold Lungs, Thorax, or Respiration - dyspnea Lungs, Thorax, or Respiration - respiratory stimulation
REFERENCE :
COREAF Comptes Rendus Hebdomadaires des Seances, Academie des Sciences. (Paris, France) V.1-261, 1835-1965. For publisher information, see CRASEV. Volume(issue)/page/year: 152,1707,1911

Safety Information

[ HS Code ]:
2926909090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • NSC-65381
  • 1,2-dichloro-1,2-dicyanoethylene
  • Cyanogen chloride
  • Tetracyanoethylene
  • Cyanoacetylene

DownStream

  • Silver cyanide
  • 3-Methylphthalonitrile
  • hex-2-en-4-ynedinitrile
  • Phthalonitrile
  • bicyclo[2.2.2]octa-2,5-diene-2,3-dicarbonitrile
  • 5,6,7,8-tetramethylbicyclo[2.2.2]octa-2,5,7-triene-2,3-dicarbonitrile
  • 5-Amino-1-(2,6-dichloro-4-(trifluoromethyl)phenyl)-1H-pyrazole-3-carbonitrile
  • 1,2-dicyanonaphthalene
  • 3-hydroxy-6-pentylbenzene-1,2-dicarbonitrile

Customs

[ HS Code ]: 2926909090

[ Summary ]:
HS:2926909090 other nitrile-function compounds VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Related Compounds

  • but-2-enedioic acid; N,N-diethyl-3-methyl-3,8-diazabicyclo[3.2.1]octane-8-carboxamide
  • but-2-enedioic acid,guanidine
  • but-2-ynyl thiocyanate
  • but-2-ynyl-cyclohexane
  • but-2-ene; chloro-dichloronio-platinum; chloroplatinum
  • but-2-ene; dichloroplatinum; methyl pyridine-4-carboxylate