1,1-dibromocyclobutane

Modify Date: 2025-08-20 14:16:55

1,1-dibromocyclobutane Structure
1,1-dibromocyclobutane structure
 Common Name 1,1-dibromocyclobutane
CAS Number 33742-81-3 Molecular Weight 213.89800
Density 2.18g/cm3 Boiling Point 160.835ºC at 760 mmHg
Molecular Formula C4H6Br2 Melting Point N/A
MSDS N/A Flash Point 40.256ºC

 Names

Name 1,1-dibromocyclobutane
Synonym More Synonyms

 Chemical & Physical Properties

Density 2.18g/cm3
Boiling Point 160.835ºC at 760 mmHg
Molecular Formula C4H6Br2
Molecular Weight 213.89800
Flash Point 40.256ºC
Exact Mass 211.88400
LogP 2.65640
Index of Refraction 1.608

 Safety Information

HS Code 2903890090

 Synthetic Route

1,1-Dimethoxycyclobutane structure

1,1-Dimethoxycy...

CAS#:4415-90-1

~74%

1,1-dibromocyclobutane Structure

1,1-dibromocycl...

CAS#:33742-81-3

Literature: Nordvik, Tore; Brinker, Udo H. Journal of Organic Chemistry, 2003 , vol. 68, # 24 p. 9394 - 9399
1,1-Cyclobutanedicarboxylic acid structure

1,1-Cyclobutane...

CAS#:5445-51-2

~45%

1,1-dibromocyclobutane Structure

1,1-dibromocycl...

CAS#:33742-81-3

Literature: Blankenship, Craig; Paquette, Leo A. Synthetic Communications, 1984 , vol. 14, # 11 p. 983 - 988
3-bromobicyclo[1.1.0]butane structure

3-bromobicyclo[...

CAS#:101391-44-0

~%

Cyclobutanone structure

Cyclobutanone

CAS#:1191-95-3

1,1-dibromocyclobutane Structure

1,1-dibromocycl...

CAS#:33742-81-3

1-bromocyclobut-1-ene structure

1-bromocyclobut...

CAS#:33954-15-3

Literature: Weber, Juergen; Haslinger, Ulrike; Brinker, Udo H. Journal of Organic Chemistry, 1999 , vol. 64, # 16 p. 6085 - 6086
1-bromocyclobut-1-ene structure

1-bromocyclobut...

CAS#:33954-15-3

Hydrogen bromide structure

Hydrogen bromide

CAS#:10035-10-6

acetic acid structure

acetic acid

CAS#:64-19-7

~%

1,1-dibromocyclobutane Structure

1,1-dibromocycl...

CAS#:33742-81-3

Literature: Willstaetter; Bruce Chemische Berichte, 1907 , vol. 40, p. 3995

 Customs

HS Code 2903890090
Summary 2903890090. halogenated derivatives of cyclanic, cyclenic or cyclotherpenic hydrocarbons. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0%

 Synonyms

1,1-Dibrom-cyclobutan
Cyclobutane,1,1-dibromo
1,1-dibromo-cyclobutane
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