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2,2,4,4-Tetramethyl-1,3-cyclobutanedione

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Formula: C8H12 O2
CAS: 933-52-8
search Element: cyclobutanedione tetramethyl
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Identification

Structural Formula
2,2,4,4-Tetramethyl-1,3-cyclobutanedione
CAS:
933-52-8
EINECS:
Molecular Formula:
C8H12 O2
MDL:
Synonym:
nsc 46472 ; 2,2,4,4-tetramethyl-1,3-cyclobutanedione ; tetramethylcyclobutane-1,3-dione ; dimethyl ketene dimer ; nsc 72172 ; dimethylkene dimer ; tetramethyl-1,3-cyclobutanedione ; tetramethylcyclobuta-1,3-dione ; 1,3-cyclobutanedione,2,2,4,4-tetramethyl- ; [precursor to dimethyl ketene] ; 2,2,4,4-tetramethylcyclobutanedione ; 1,3-cyclobutanedione,tetramethyl- (6ci) ; rarechem aq c4 0041 ; timtec-bb sbb008408




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CM Fine Chemicals
CFC13605440
Simagchem Corporation
SC16805040
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Prices & Availability




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Properties for 2,2,4,4-Tetramethyl-1,3-cyclobutanedione

Molecular Weight:
140.20 g·mol−1
Density:
0.995 g/cm3
Melting point:
114-116 °C(lit.)
Boiling point:
95-159 °C750 mm Hg(lit.)
Flash point:
120-122 °C/150mm
Physical Description:
white crystalline powder
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Safety & Transport Information

Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.
Safety Codes:
S24/25 - Avoid contact with skin and eyes
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Alternative Distributors of [2,2,4,4-Tetramethyl-1,3-cyclobutanedione]

Producers or manufacturers change the product range from time to time. Currently there are no other manufacturers known.
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Mol File:
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MSDS:
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