765-70-8
765-70-8 structure
- Name: Maple lactone
- Chemical Name: 3-Methyl-1,2-cyclopentanedione
- CAS Number: 765-70-8
- Molecular Formula: C6H8O2
- Molecular Weight: 112.127
- Catalog: Chemical reagent Organic reagent Fatty ketone (including enol)
- Create Date: 2018-09-01 11:55:59
- Modify Date: 2026-07-11 10:58:37
| Name | 3-Methyl-1,2-cyclopentanedione |
|---|---|
| Synonyms |
METHYLCYCLOPENTENOLLONE
opentane-1,2-dione MAPLE LACTONE 3-METHYL-1,2-CYCLOPENTANEDIONE ANHYDROUS 3-Methylcyclopentane-1,2-dione 3-methylcyclopentane-1,2-dione 2-HYDROXY-3-METHYL-2-CYCLOPENTEN-1-ONE Methylcyclopentane-1,2 Methyl cyclopentenlone 3-Methyl-1,2-cyclopentanedione, R 2-Cyclopentanedione,3-methyl-1 1,2-Cyclopentanedione, 3-methyl 8 3-Methyl-1,2-cyclopentanedione 2-Hydroxy-3-methyl-2-cyclopenten-1-one, Maple lactone 3-Methyl-1,2-cyclopentadione 2-HYDROXY-3-METHYL-2-CYCLOPENTENONE METHYL CYCLOPENTENALONE 2-Hydroxy-3-methyl-2-cyclopenten-1-one, 3-Methyl-1,2-cyclopentanedione, Maple lactone L5VVTJ C1 MFCD00001417 METHYL CYCLOPENTENOLONE FCC 3-METHYL-1,2-CYCLOPENTANEDIONE EINECS 212-154-8 3-METHYL-1,2-CYCLOPENTANEDIONE (MAPLE LACTONE) 3-Methylcyclopenta-1,2-dione 3-methyl-2-cyclopentanedione 3-Methyl cyclopenten-1,2-dione |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 178.7±9.0 °C at 760 mmHg |
| Melting Point | 104-108 °C(lit.) |
| Molecular Formula | C6H8O2 |
| Molecular Weight | 112.127 |
| Flash Point | 59.3±4.4 °C |
| Exact Mass | 112.052429 |
| PSA | 34.14000 |
| LogP | 0.04 |
| Vapour Pressure | 1.0±0.3 mmHg at 25°C |
| Index of Refraction | 1.463 |
| Water Solubility | soluble |
| Personal Protective Equipment | Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter |
|---|---|
| Hazard Codes | Xi |
| Risk Phrases | R36/37/38 |
| Safety Phrases | S22-S24/25-S36/37-S26 |
| RIDADR | NONH for all modes of transport |
| WGK Germany | 3 |
| HS Code | 29142900 |
| Precursor 9 | |
|---|---|
| DownStream 8 | |
![6-Oxabicyclo[3.1.0]hexan-2-one,5-methyl structure](https://image.chemsrc.com/caspic/285/17024-44-1.png)
| HS Code | 2914299000 |
|---|---|
| Summary | 2914299000. other cyclanic, cyclenic or cyclotherpenic ketones without other oxygen function. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:5.5%. General tariff:30.0% |