2-Butyn-1-yl carbonochloridate

Modify Date: 2025-08-27 10:36:41

2-Butyn-1-yl carbonochloridate Structure
2-Butyn-1-yl carbonochloridate structure
 Common Name 2-Butyn-1-yl carbonochloridate
CAS Number 202591-85-3 Molecular Weight 132.545
Density 1.2±0.1 g/cm3 Boiling Point 148.5±23.0 °C at 760 mmHg
Molecular Formula C5H5ClO2 Melting Point N/A
MSDS N/A Flash Point 54.4±16.0 °C

 Names

Name but-2-ynyl carbonochloridate
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.2±0.1 g/cm3
Boiling Point 148.5±23.0 °C at 760 mmHg
Molecular Formula C5H5ClO2
Molecular Weight 132.545
Flash Point 54.4±16.0 °C
Exact Mass 131.997803
PSA 26.30000
LogP 1.75
Vapour Pressure 4.2±0.3 mmHg at 25°C
Index of Refraction 1.459

 Safety Information

Hazard Codes C: Corrosive;
Risk Phrases 34
Safety Phrases 26-27-36/37/39-45
RIDADR UN 3390 6.1/PG 1
HS Code 2915900090

 Customs

HS Code 2915900090
Summary 2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

 Synonyms

2-Butyn-1-yl carbonochloridate
2-Butyn-1-yl chloroformate
but-2-ynyl chloroformate
but-2-yn-1-yl carbonochloridate
2-butynyl chloroformate
but-2-ynyl-1-oxycarbonyl chloride
Carbonochloridic acid, 2-butyn-1-yl ester
MFCD00274353
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