3-Chloro-1-butyne

Modify Date: 2025-08-22 12:52:33

3-Chloro-1-butyne Structure
3-Chloro-1-butyne structure
Common Name 3-Chloro-1-butyne
CAS Number 21020-24-6 Molecular Weight 88.535
Density 1.0±0.1 g/cm3 Boiling Point 68.5±0.0 °C at 760 mmHg
Molecular Formula C4H5Cl Melting Point N/A
MSDS N/A Flash Point -11.6±15.2 °C

 Names

Name 3-chlorobut-1-yne
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.0±0.1 g/cm3
Boiling Point 68.5±0.0 °C at 760 mmHg
Molecular Formula C4H5Cl
Molecular Weight 88.535
Flash Point -11.6±15.2 °C
Exact Mass 88.007980
LogP 1.33
Vapour Pressure 151.1±0.1 mmHg at 25°C
Index of Refraction 1.429

 Safety Information

Risk Phrases R11
Safety Phrases S9;S16;S33
RIDADR UN 1993
HS Code 2903299090

 Synthetic Route

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3-Chloro-1-butyne Structure

3-Chloro-1-butyne

CAS#:21020-24-6

Literature: Journal of the Chemical Society, , p. 4628,4631 Journal of Organic Chemistry, , vol. 21, p. 791

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3-Chloro-1-butyne Structure

3-Chloro-1-butyne

CAS#:21020-24-6

Literature: Larock, R. C.; Varaprath, S.; Lau, H. H.; Fellows, C. A. Journal of the American Chemical Society, 1984 , vol. 106, # 18 p. 5274 - 5284

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3-Chloro-1-butyne Structure

3-Chloro-1-butyne

CAS#:21020-24-6

Literature: Tetrahedron, , vol. 22, p. 2167 - 2176

~%

3-Chloro-1-butyne Structure

3-Chloro-1-butyne

CAS#:21020-24-6

Literature: Tetrahedron, , vol. 22, p. 2167 - 2176

 Customs

HS Code 2903299090
Summary 2903299090 other unsaturated chlorinated derivatives of acyclic hydrocarbons。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

 Synonyms

3-chloro-but-1-yne
3-Chloro-1-butyne
3-Chlor-but-1-in
3-Chlorobut-1-yne
1-Butyne, 3-chloro-
2-chlorobut-3-yne
1-butyn-3-yl chloride
EINECS 244-151-2
1-Butyne,3-chloro
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