1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE
- CAS NO.：6402-09-1
- Empirical Formula: C10H9N3O3
- Molecular Weight: 219.2
- MDL number: MFCD00020751
- EINECS: 229-018-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-31 14:38:37
What is 1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE?
Chemical properties
yellow to brown crystalline powder
Synthesis Reference(s)
Journal of Heterocyclic Chemistry, 24, p. 149, 1987 DOI: 10.1002/jhet.5570240128
Properties of 1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE
| Melting point: | 220-225 °C |
| Boiling point: | 360°C (rough estimate) |
| Density | 1.3284 (rough estimate) |
| refractive index | 1.4830 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| form | powder to crystal |
| pka | 1.56±0.50(Predicted) |
| color | White to Amber |
| CAS DataBase Reference | 6402-09-1(CAS DataBase Reference) |
| EPA Substance Registry System | 3H-Pyrazol-3-one, 2,4-dihydro-5-methyl-2-(4-nitrophenyl)- (6402-09-1) |
Safety information for 1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H317:Sensitisation, Skin |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P272:Contaminated work clothing should not be allowed out of the workplace. P280:Wear protective gloves/protective clothing/eye protection/face protection. P321:Specific treatment (see … on this label). P330:Rinse mouth. P363:Wash contaminated clothing before reuse. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P333+P313:IF SKIN irritation or rash occurs: Get medical advice/attention. P501:Dispose of contents/container to..… |
Computed Descriptors for 1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE
1-(4-NITROPHENYL)-3-METHYL-5-PYRAZOLONE manufacturer
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