3,4-DIMETHYL PYRAZOLE
- CAS NO.：2820-37-3
- Empirical Formula: C5H8N2
- Molecular Weight: 96.13
- MDL number: MFCD00462154
- EINECS: 429-130-1
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:19:51
What is 3,4-DIMETHYL PYRAZOLE?
Chemical properties
Light Yellow Solid
The Uses of 3,4-DIMETHYL PYRAZOLE
3,4-Dimethyl-1H-pyrazole is used as pharmaceutical intermediate.
Definition
ChEBI: 3,4-dimethyl-1H-pyrazole is a member of the class of pyrazoles that is 1H-pyrazole which is substituted by methyl groups at positions 3 and 4.
Properties of 3,4-DIMETHYL PYRAZOLE
| Melting point: | 44-46°C |
| Boiling point: | 189.67°C (rough estimate) |
| Density | 0.9325 |
| refractive index | 1.4739 (estimate) |
| storage temp. | Sealed in dry,Room Temperature |
| solubility | Acetonitrile (Very Slightly), Chloroform (Slightly) |
| form | Fused Solid |
| pka | 15.51±0.50(Predicted) |
| color | Cream |
| Water Solubility | Slightly soluble in water. |
| BRN | 1621 |
| EPA Substance Registry System | 1H-Pyrazole, 3,4-dimethyl- (2820-37-3) |
Safety information for 3,4-DIMETHYL PYRAZOLE
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H318:Serious eye damage/eye irritation H412:Hazardous to the aquatic environment, long-term hazard |
| Precautionary Statement Codes |
P273:Avoid release to the environment. P280:Wear protective gloves/protective clothing/eye protection/face protection. |
Computed Descriptors for 3,4-DIMETHYL PYRAZOLE
New Products
2,6-Piperidinedione, 3-hydroxy-1-[(4-methoxyphenyl)methyl]- 3-(4-bromo-3-methyl-2-oxo-2,3-dihydro-1H-benzo[d]imidazol-1-yl)piperidine-2,6-dione 4-Hydroxy-6-methyl-1-(4-methylphenyl)-2-naphthalenecarboxylic acid 2,3-Difluoro-6-methoxybenzyl Chloride KT-474 2-(6-(benzyloxy)-3,4-dihydronaphthalen-2-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolane 3-Oxocyclobutanecarboxylic acid 5-Bromo-2-iodo pyridine Benzofuran-6-carboxylic acid (BFA) 3-Bromo-2-Ethoxy-5-Nitropyridine 3,6-Dichloro-2-Methylpyridine 2-Amino-5-Bromo-3-IodopyridineRelated products of tetrahydrofuran
![3-METHYL-4,5-DIHYDRO-2H-BENZO[G]INDAZOLE](https://img.chemicalbook.in/StructureFile/ChemBookStructure1/GIF/CB4690357.gif)
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