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

BGC Id:	802091404995
CAS No:	933-52-8
Synonyms:	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
Molecular Formula:	C8H12 O2
Molecular Weight:	140.20
EINECS:

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The following notable provider has been checked and can be recommended.

Simagchem Corporation

Type de compagnie: Bulk chemical producer

phone: +86 592 2680 277
fax: +86 592 2680 237
pays: P.R.China

Your partner in China for chemicals business. Biphenyl-3-boronic acid sera également fourni par nous. Expertize in supplies and sources of fine, specialty, pharmaceutical chemicals and intermediates. WE offer high quality products and JIT services with instant market intelligence in China, custom synthesis in our 3 production sites, famous principals as Brenntag, Univar,S inopec, Grace, Petrobras, DKSH ...

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The last intensive check and update was carried out on 2025/04/08.

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Synonyms:

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

CAS:

933-52-8

EINECS:

Molecular Formula:

C8H12 O2

MDL:

Properties

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

Safety Information

Hazard Classes:

Safety Codes:

24/25 (S)

WGK Germany:

RTECS:

GU1775000

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

CM Fine Chemicals

CM Fine Chemicals, being a privately owned Swiss company, has been manufacturing and providing fine chemicals, intermediates and reagents to all kind ... Request

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In addition to the providers presented here for 2,2,4,4-Tetramethyl-1,3-cyclobutanedione with the CAS number 933-52-8, there are other 37 providers with slightly different product names available for this CAS number.

Tetramethylcyclobutane-1,3-dione

2,2,4,4-Tetramethylcyclobutane-1,3-dione

+2 additional providers that we know from the past