3-Methylpyrazole
- CAS NO.：1453-58-3
- Empirical Formula: C4H6N2
- Molecular Weight: 82.1
- MDL number: MFCD00005240
- EINECS: 215-925-7
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-04-24 14:58:42
What is 3-Methylpyrazole?
Chemical properties
clear light yellow liquid
The Uses of 3-Methylpyrazole
Its application as nitrification inhibitor of nitrogen fertilizers
Flammability and Explosibility
Non flammable
Properties of 3-Methylpyrazole
| Melting point: | 36.5°C |
| Boiling point: | 204 °C (lit.) |
| Density | 1.02 g/mL at 25 °C (lit.) |
| vapor pressure | 1.82hPa at 20℃ |
| refractive index | n |
| Flash point: | 200 °F |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | DMSO (Sparingly), Methanol (Sparingly) |
| form | Liquid |
| pka | 14.56±0.10(Predicted) |
| color | Clear light yellow |
| Water Solubility | miscible |
| BRN | 1454 |
| CAS DataBase Reference | 1453-58-3(CAS DataBase Reference) |
| NIST Chemistry Reference | 3(5)-methylpyrazole(1453-58-3) |
| EPA Substance Registry System | 3-Methylpyrazole (1453-58-3) |
Safety information for 3-Methylpyrazole
| Signal word | Danger |
| Pictogram(s) |
 Corrosion Corrosives GHS05  Exclamation Mark Irritant GHS07  Health Hazard GHS08 |
| GHS Hazard Statements |
H302:Acute toxicity,oral H314:Skin corrosion/irritation H361:Reproductive toxicity |
| Precautionary Statement Codes |
P201:Obtain special instructions before use. P280:Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353:IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P308+P313:IF exposed or concerned: Get medical advice/attention. |
Computed Descriptors for 3-Methylpyrazole
| InChIKey | XKVUYEYANWFIJX-UHFFFAOYSA-N |
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