34695-32-4
34695-32-4 structure
- Name: 4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione
- Chemical Name: 3-Hydroxy-3-methylglutaric Anhydride
- CAS Number: 34695-32-4
- Molecular Formula: C6H8O4
- Molecular Weight: 144.125
- Create Date: 2018-07-14 10:59:23
- Modify Date: 2025-08-25 15:31:29
| Name | 3-Hydroxy-3-methylglutaric Anhydride |
|---|---|
| Synonyms |
4-hydroxy-4-methyloxane-2,6-dione
2H-Pyran-2,6(3H)-dione, dihydro-4-hydroxy-4-methyl- 4-Hydroxy-4-methyldihydro-2H-pyran-2,6(3H)-dione |
| Density | 1.4±0.1 g/cm3 |
|---|---|
| Boiling Point | 315.2±35.0 °C at 760 mmHg |
| Melting Point | 97-99ºC |
| Molecular Formula | C6H8O4 |
| Molecular Weight | 144.125 |
| Flash Point | 138.3±19.4 °C |
| Exact Mass | 144.042252 |
| PSA | 63.60000 |
| LogP | -1.47 |
| Vapour Pressure | 0.0±1.5 mmHg at 25°C |
| Index of Refraction | 1.500 |
| HS Code | 2918199090 |
|---|
| HS Code | 2918199090 |
|---|---|
| Summary | 2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0% |