but-2-ynedial

Names

[ CAS No. ]:
21251-20-7

[ Name ]:
but-2-ynedial

[Synonym ]:
acetylenedicarbaldehyde
2-Butynedial
ACETYLENEDICARBOXALDEHYDE
Butynedial

Chemical & Physical Properties

[ Density]:
1.131 g/cm3

[ Boiling Point ]:
154.5ºC at 760 mmHg

[ Molecular Formula ]:
C₄H₂O₂

[ Molecular Weight ]:
82.05750

[ Flash Point ]:
47.6ºC

[ Exact Mass ]:
82.00550

[ PSA ]:
34.14000

Safety Information

[ HS Code ]:
2912190090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2912190090

[ Summary ]:
2912190090 acyclic aldehydes without other oxygen function。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Related Compounds

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