13315-23-6
13315-23-6 structure
- Name: 3H-Pyrazol-3-one,2,4-dihydro-4-methyl-
- Chemical Name: 4-methyl-1,4-dihydropyrazol-5-one
- CAS Number: 13315-23-6
- Molecular Formula: C4H6N2O
- Molecular Weight: 98.10320
- Create Date: 2018-05-16 08:00:00
- Modify Date: 2025-08-25 15:58:39
| Name | 4-methyl-1,4-dihydropyrazol-5-one |
|---|---|
| Synonyms |
4-Methyl-pyrazolon-5
EINECS 236-346-6 4-Methyl-2-pyrazolin-5-one 4-methyl-2-pyrazoline-5-one 4-Methyl-2,4-dihydro-3H-pyrazol-3-one 2-Pyrazolin-5-one,4-methyl MFCD00003093 2,4-dihydro-4-methyl-3H-pyrazol-3-one 4-methyl-1,2-dihydro-pyrazol-3-one |
| Density | 1.107g/cm3 |
|---|---|
| Boiling Point | 298.3ºC at 760 mmHg |
| Melting Point | 230-232ºC (dec.)(lit.) |
| Molecular Formula | C4H6N2O |
| Molecular Weight | 98.10320 |
| Flash Point | 134.2ºC |
| Exact Mass | 98.04800 |
| PSA | 41.46000 |
| Vapour Pressure | 0.000721mmHg at 25°C |
| Index of Refraction | 1.475 |
| Symbol |
GHS07 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H315-H319-H335 |
| Precautionary Statements | P261-P305 + P351 + P338 |
| Hazard Codes | Xi |
| Safety Phrases | S24/25 |
| RIDADR | NONH for all modes of transport |
| HS Code | 2933199090 |
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |