but-2-ynedial

Modify Date: 2025-08-25 21:09:18

but-2-ynedial Structure
but-2-ynedial structure
Common Name but-2-ynedial
CAS Number 21251-20-7 Molecular Weight 82.05750
Density 1.131 g/cm3 Boiling Point 154.5ºC at 760 mmHg
Molecular Formula C4H2O2 Melting Point N/A
MSDS N/A Flash Point 47.6ºC

 Names

Name but-2-ynedial
Synonym More Synonyms

 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

~55%

but-2-ynedial Structure

but-2-ynedial

CAS#:21251-20-7

Literature: Stephan, Dominique; Gorgues, Alain; Belyasmine, Ahmed; Coq, Andre Le Journal of the Chemical Society, Chemical Communications, 1988 , # 4 p. 263 - 264

~%

but-2-ynedial Structure

but-2-ynedial

CAS#:21251-20-7

Literature: Dunn, Peter J.; Rees, Charles W. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1987 , p. 1579 - 1584

~%

but-2-ynedial Structure

but-2-ynedial

CAS#:21251-20-7

Literature: Gorgues, A.; Simon, A.; Coq, A. Le; Hercouet, A.; Corre, F. Tetrahedron, 1986 , vol. 42, # 1 p. 351 - 370

 Precursor & DownStream

Precursor  2

DownStream  0

 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%

 Synonyms

acetylenedicarbaldehyde
2-Butynedial
ACETYLENEDICARBOXALDEHYDE
Butynedial
The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.
Top Suppliers:I want be here
Related Compounds: More...
but-2-enedioic acid; N,N-diethyl-3-methyl-3,8-diazabicyclo[3.2.1]octane-8-carboxamide
52320-95-3
but-2-enedioic acid,guanidine
61593-23-5
but-2-ynylene bis(chloroacetate)
14569-76-7
but-2-ynyl-cyclohexane
57497-07-1
but-2-ene; chloro-dichloronio-platinum; chloroplatinum
54335-42-1
but-2-ene; dichloroplatinum; methyl pyridine-4-carboxylate
57828-83-8
but-2-enedioic acid,N,N-dimethyl-2,2-diphenoxyethanamine
110011-37-5
but-2-ynyl thiocyanate
52423-16-2
but-2-enedioic acid,5-[(6,7,8-trimethoxyquinazolin-4-yl)amino]pentyl nitrate
34770-42-8
N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}-2-(trifluoromethyl)benzene-1-sulfonamide
895807-34-8
5-chloro-2-methoxy-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895807-46-2
4-methoxy-2,5-dimethyl-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895807-52-0
2-methoxy-4,5-dimethyl-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895807-58-6
4-methoxy-2,3,5-trimethyl-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895807-65-5
2-ethoxy-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}-5-(propan-2-yl)benzene-1-sulfonamide
895807-71-3
3,5-dimethyl-N-{3-[6-(piperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895807-77-9
4-fluoro-N-{3-[6-(4-methylpiperidin-1-yl)pyridazin-3-yl]phenyl}-3-(trifluoromethyl)benzene-1-sulfonamide
895807-83-7
N-{3-[6-(4-methylpiperidin-1-yl)pyridazin-3-yl]phenyl}-2-(trifluoromethyl)benzene-1-sulfonamide
895807-95-1
5-chloro-2-methoxy-N-{3-[6-(4-methylpiperidin-1-yl)pyridazin-3-yl]phenyl}benzene-1-sulfonamide
895808-01-2