| Boiling Point | 159°C |
| Melting Point | 114°C |
| Color | White-Yellow |
| Formula Weight | 140.18 |
| Physical Form | Crystal-Powder at 20°C |
| Chemical Name or Material | Tetramethyl-1,3-cyclobutanedione [Precursor to Dimethyl Ketene] |
| 13617 |
Synonym: tetramethyl-1,3-cyclobutanedione, tetramethylcyclobutane-1,3-dione, 1,3-cyclobutanedione, 2,2,4,4-tetramethyl, tetramethylcyclobuta-1,3-dione, 2,2,4,4-tetramethyl-1,3-cyclobutanedione, unii-rt4aq22ks4, 1,1,3,3-tetramethylcyclobutanedione, 2,2,4,4-tetramethylcyclobutanedione, dimethyl ketene dimer, rt4aq22ks4
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