Dimethyl Pyrazole
3,5-Dimethylpyrazole, DMP, 3,5-DMP.
- CAS
- 67-51-6
- EC
- 200-657-5
- Sectors
- Agriculture, Pharma & Healthcare
Dimethyl Pyrazole (CAS 67-51-6) is a heterocyclic organic compound supplied in Technical Grade with a minimum purity of 99%, appearing as a white to off-white crystalline powder, and it acts as a nitrification inhibitor in soil and as a reactive intermediate for pharmaceutical and agrochemical synthesis. It features 99% minimum purity and serves as a vital building block in the synthesis of specialized agrochemicals.
This white to off-white crystalline solid possesses excellent thermal stability and solubility in organic solvents. Its chemical structure allows for the precise modification of nitrogen transformation rates in soil environments.
As a versatile intermediate, it is crucial for the manufacture of complex molecules in the pharmaceutical industry. It provides a stable pyrazole ring structure essential for various medicinal chemistry applications and active ingredient development.
Typical Properties
| Molecular formula | C5H8N2 |
|---|---|
| Molecular weight | 96.13 g/mol |
| Appearance | White crystal powder |
| Form | Crystalline Powder or Crystals |
| Color | White to almost white |
| Melting point | 107.5 °C |
| Boiling point | 105-125 °C |
| Density | 0,884 g/cm 3 |
| Water solubility | Soluble in water, methanol 0.1 g/mL. |
| Flash point | 210°C |
| pH | 6.7 (14g/l, H2O, 20°C) |
| GHS signal word | Danger · Irritant / harmful, Health hazard |
| HS code | 29331990 |
| Grades available | Technical Grade |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Dimethyl Pyrazole
Applications
• Nitrification Inhibition: Used to delay the oxidation of ammonium to nitrate in soil, significantly increasing nitrogen use efficiency.
• Chemical Synthesis: Acts as a reactive intermediate in the production of heterocyclic compounds for pharmaceuticals and dyes.
• Catalyst Stabilization: Employed in specific industrial polymerizations to control reaction rates and enhance product consistency.
Safety & Risks
Classified as Acute Tox. 4 and Eye Irrit. 2. Avoid inhalation of dust. Standard PPE including Nitrile Gloves, Safety Goggles, and Dust Masks must be worn during handling.
Packaging
Standard 25 kg Fiber Drums with PE inner liners or 500 kg Big Bags for industrial scale.