TETRAMETHYL-1,3-CYCLOBUTANEDIONE

TETRAMETHYL-1,3-CYCLOBUTANEDIONE Basic information
Product Name:TETRAMETHYL-1,3-CYCLOBUTANEDIONE
Synonyms:TETRAMETHYL-1,3-CYCLOBUTANEDIONE;TETRAMETHYLCYCLOBUTANE-1,3-DIONE;TIMTEC-BB SBB008408;RARECHEM AQ C4 0041;2,2,4,4-TETRAMETHYL-1,3-CYCLOBUTANEDIONE;DIMETHYL KETENE DIMER;1,1,3,3-Tetramethylcyclobutanedione;2,2,4,4-Tetramethyl cyclobutane-1,3-dione
CAS:933-52-8
MF:C8H12O2
MW:140.18
EINECS:213-269-6
Product Categories:Building Blocks;C7 to C8;Carbonyl Compounds;Chemical Synthesis;Organic Building Blocks;Organics;Cyclobutanes & Cyclobutenes;Simple 4-Membered Ring Compounds;C7 to C8;Carbonyl Compounds;Ketones
Mol File:933-52-8.mol
TETRAMETHYL-1,3-CYCLOBUTANEDIONE Structure
TETRAMETHYL-1,3-CYCLOBUTANEDIONE Chemical Properties
Melting point 114-116 °C(lit.)
Boiling point 95-159 °C750 mm Hg(lit.)
density 1.0373 (rough estimate)
refractive index 1.4580 (estimate)
Fp 120-122°C/150mm
storage temp. Sealed in dry,Room Temperature
solubility It is soluble in chloroform.
form powder to crystal
color White to Almost white
InChIKeyRGCDVHNITQEYPO-UHFFFAOYSA-N
CAS DataBase Reference933-52-8(CAS DataBase Reference)
EPA Substance Registry System1,3-Cyclobutanedione, 2,2,4,4-tetramethyl- (933-52-8)
Safety Information
Safety Statements 24/25
WGK Germany 3
RTECS GU1775000
TSCA Yes
HS Code 2914290090
Hazardous Substances Data933-52-8(Hazardous Substances Data)
MSDS Information
ProviderLanguage
ACROS English
SigmaAldrich English
ALFA English
TETRAMETHYL-1,3-CYCLOBUTANEDIONE Usage And Synthesis
Chemical Propertieswhite crystalline powder
UsesTetramethyl-1,3-cyclobutanedione is used as a chemical for life science research. It is also used to make other chemical, as well as an chemical and organic intermediate.
Synthesis Reference(s)Canadian Journal of Chemistry, 50, p. 3923, 1972 DOI: 10.1139/v72-619
Purification MethodsCrystallise the dione from *C6H6 and dry it in vacuo over P2O5 in an Abderhalden pistol. [Beilstein 7 III 3234, 7 IV 2004.]
TETRAMETHYL-1,3-CYCLOBUTANEDIONE Preparation Products And Raw materials
Preparation Products2,2,4-Trimethyl-1,3-pentanediol
isooctane 4-methylvaleraldehyde propanedial TETRAMETHYL-1,3-CYCLOBUTANEDIONE Methyl valeraldehyde 2,2,4,4-Tetramethyl-1,3-cyclobutanedione dioxime 3-Methyl-2-butanone 2,2,4,4-Tetramethyl-1,3-cyclobutanedione bisthiosemicarbazone RARECHEM AQ C4 0042 2,2-DIMETHYLBUTANAL 2-METHYL-3-PENTANONE 2,2-DIMETHYL-3-PENTANONE 2,4-DIMETHYLPENTANE 2,2,4,4-Tetramethyl-1,3-cyclobutanedione disemicarbazone CYCLOBUTANE Cyclobutanone 2,2,4-TRIMETHYL-3-PENTANONE 2,2-Dimethylpentane

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