4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione
3,3-Dimethylglutaric anhydride
CAS: 4160-82-1
Molecular Formula: C7H10O3
4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione - Names and Identifiers
| Name | 3,3-Dimethylglutaric anhydride |
| Synonyms | NSC 2827 AI3-11032 3,3-Dimethyladipic anhydride 3,3-DIMETHYLGLUTARIC ANHYDRIDE 3,3-Dimethylglutaric anhydride 3,3'-DIMETHYL GLUTARIC ANHYDRIDE 3,3'-Dimethyl glutaric anhydride Glutaric anhydride, 3,3-dimethyl- BETA-BETA-DIMETHYLGLUTARIC ANHYDRIDE Glutaric anhydride, beta,beta-dimethyl- 4,4-dimethyldihydro-2H-pyran-2,6(3H)-dione 4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione Dihydro-4,4-dimethyl-2H-pyran-2,6(3H)-dione 2H-Pyran-2,6(3H)-dione, dihydro-4,4-dimethyl- 2H-Pyran-2,6(3H)-dione, dihydro-4,4-diMethyl- |
| CAS | 4160-82-1 |
| EINECS | 223-998-1 |
| InChI | InChI=1/C7H10O3/c1-7(2)3-5(8)10-6(9)4-7/h3-4H2,1-2H3 |
4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione - Physico-chemical Properties
| Molecular Formula | C7H10O3 |
| Molar Mass | 142.15 |
| Density | 1.1643 (rough estimate) |
| Melting Point | 124-126 °C (lit.) |
| Boling Point | 181 °C/25 mmHg (lit.) |
| Flash Point | 181°C/25mm |
| Vapor Presure | 0.00119mmHg at 25°C |
| Appearance | Crystalline Powder |
| Color | White to off-white |
| Storage Condition | Inert atmosphere,Room Temperature |
| Sensitive | Moisture Sensitive |
| Refractive Index | 1.4730 (estimate) |
| MDL | MFCD00006684 |
4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection S36 - Wear suitable protective clothing. |
| WGK Germany | 3 |
| TSCA | Yes |
| HS Code | 29171990 |
4,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione - Reference Information
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 20:52:54
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