methylenecyclobutane

Modify Date: 2025-08-23 12:14:03

methylenecyclobutane Structure
methylenecyclobutane structure
Common Name methylenecyclobutane
CAS Number 1120-56-5 Molecular Weight 68.11700
Density 0.78g/cm3 Boiling Point 42.2ºC at 760mmHg
Molecular Formula C5H8 Melting Point -134.7°C
MSDS N/A Flash Point <−30 °F

 Names

Name methylidenecyclobutane
Synonym More Synonyms

 Chemical & Physical Properties

Density 0.78g/cm3
Boiling Point 42.2ºC at 760mmHg
Melting Point -134.7°C
Molecular Formula C5H8
Molecular Weight 68.11700
Flash Point <−30 °F
Exact Mass 68.06260
LogP 1.72650
Vapour Pressure 408mmHg at 25°C
Index of Refraction n20/D 1.42(lit.)
Storage condition Refrigerator

 Safety Information

Hazard Codes F
Risk Phrases 11
Safety Phrases 16-29-33
RIDADR UN 3295 3/PG 2
WGK Germany 3
Packaging Group I
Hazard Class 3.1
HS Code 2902199090

 Synthetic Route

 Customs

HS Code 2902199090
Summary 2902199090 other cyclanes, cyclenes and cyclotherpenes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:2.0%。General tariff:30.0%

 Synonyms

Methylen-cyclobutan
EINECS 214-313-7
methylene cyclobutene
Cyclobutane,methylene
cyclobutylmethyl
METHYLENECYCLOBUTANE
methylenencyclobutane
MFCD00001335
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