Tetramethyl-1,3-cyclobutanedione
- Product NameTetramethyl-1,3-cyclobutanedione
- CAS933-52-8
- CBNumberCB1177783
- MFC8H12O2
- MW140.18
- EINECS213-269-6
- MDL NumberMFCD00001331
- MOL File933-52-8.mol
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) |
| Flash point: | 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 |
| InChI | InChI=1S/C8H12O2/c1-7(2)5(9)8(3,4)6(7)10/h1-4H3 |
| InChIKey | RGCDVHNITQEYPO-UHFFFAOYSA-N |
| SMILES | C1(=O)C(C)(C)C(=O)C1(C)C |
| CAS DataBase Reference | 933-52-8(CAS DataBase Reference) |
| EPA Substance Registry System | 1,3-Cyclobutanedione, 2,2,4,4-tetramethyl- (933-52-8) |
Safety
| Symbol(GHS) |
 GHS07 |
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| Signal word | Warning | |||||||||
| Hazard statements | H302-H315-H319-H335 | |||||||||
| Precautionary statements | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | |||||||||
| PPE | Eyeshields, Gloves, type N95 (US) | |||||||||
| Safety Statements | 24/25 | |||||||||
| WGK Germany | 3 | |||||||||
| RTECS | GU1775000 | |||||||||
| TSCA | TSCA listed | |||||||||
| HS Code | 2914290090 | |||||||||
| Storage Class | 11 - Combustible Solids | |||||||||
| Hazardous Substances Data | 933-52-8(Hazardous Substances Data) | |||||||||
| NFPA 704: |
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