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1,3-Cyclobutadiene

1,3-Cyclobutadiene structure

CAS No:
1120-53-2
Formula:
C4H4
Chemical Name:
1,3-Cyclobutadiene
Synonyms:
1,3-Cyclobutadiene;Cyclobutadiene;[4]Annulene

Description

Cyclobutadiene: A short-livedcyclic diene hydrocarbon, C4H4, withits four carbon atoms in a squarering. It is made by degradation of itsmetal complexes, and has a shortlifetime of a few seconds. It undergoesaddition reactions with alkynes.

Cyclobuta-1,3-diene is an antiaromatic annulene.

1,3-Cyclobutadiene Basic Attributes

Molecular Weight：

52.076

Exact Mass：

52.07

UNII：

I5G5583N4F

DSSTox ID：

DTXSID00149807

Characteristics

PSA：

XLogP3：

1.5

Melting Point：

149-150 °C

Boiling Point：

218-220 °C @ Press: 14 Torr

Computed Properties

Molecular Weight:52.07
XLogP3:1.5
Exact Mass:52.0313001276
Monoisotopic Mass:52.0313001276
Heavy Atom Count:4
Complexity:33.2
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes

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Guide of 1,3-Cyclobutadiene

Description
Basic Attributes
Characteristics
Computed Properties

1,3-Cyclobutadiene

SDS

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