3,5-BIS(TRIFLUOROMETHYL)PYRAZOLE

Base Information

• Chemical Name: 3,5-BIS(TRIFLUOROMETHYL)PYRAZOLE
• CAS No.: 14704-41-7
• Molecular Formula: C5H2 F6 N2
• Molecular Weight: 204.075
• Hs Code.: 2933199090
• Mol file: 14704-41-7.mol

Synonyms:Pyrazole,3,5-bis(trifluoromethyl)- (8CI); 3,5-Bis(trifluoromethyl)-1H-pyrazole;3,5-Bis(trifluoromethyl)pyrazole; 3,5-Di(trifluoromethyl)pyrazole

Chemical Property of 3,5-BIS(TRIFLUOROMETHYL)PYRAZOLE

Chemical Property:

• Appearance/Colour: colorless to light yellow crystalline powder
• Melting Point: 83-85 °C(lit.)
• Boiling Point: 151.5°Cat760mmHg
• PKA: 7.12±0.10(Predicted)
• Flash Point: 45.4°C
• PSA: 28.68000
• Density: 1.594g/cm³
• LogP: 2.44730
• Storage Temp.: Keep in dark place,Sealed in dry,Room Temperature
• Solubility.: soluble in Methanol

Purity/Quality:

97% ^*data from raw suppliers

3,5-Bis(Trifluoromethyl)-1H-pyrazole ^*data from reagent suppliers

Safty Information:

• Hazard Codes: Xi
• Statements: 36/37/38
• Safety Statements: 26-36

MSDS Files:

SDS file from LookChem

Total 1 MSDS from other Authors

Useful:

Technology Process of 3,5-BIS(TRIFLUOROMETHYL)PYRAZOLE

There total 10 articles about 3,5-BIS(TRIFLUOROMETHYL)PYRAZOLE which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield: 93.3%

1,1,1,5,5,5-hexafluoroacetylacetone (1522-22-1) + C2H7N5O2 + (tetrahydro-3-furanyl)methylamine (165253-31-6,1048962-84-0) → dinetofuran (165252-70-0) + 3,5-bis(trifluoromethyl)pyrazole (14704-41-7)

Guidance literature:

1,1,1,5,5,5-hexafluoroacetylacetone; C₂H₇N₅O₂; With formic acid; In toluene; at 60 ℃; for 1h; Molecular sieve;

(tetrahydro-3-furanyl)methylamine; In toluene; at 60 ℃; for 2h; Molecular sieve;

Reference yield: 88.0%

1,1,1,5,5,5-hexafluoroacetylacetone (1522-22-1) → 3,5-bis(trifluoromethyl)pyrazole (14704-41-7)

Guidance literature:

1,1,1,5,5,5-hexafluoroacetylacetone; With hydrazine hydrate; In ethanol; for 8h; Cooling with ice; Reflux;

With sulfuric acid; at 0 ℃; for 0.25h;

DOI:10.1016/j.jfluchem.2012.04.003

Reference yield: 45.0%

(1E)-3,3,3-trifluoropropene-1-sulfonic acid dimethylamide + 2,2,2-trifluroethylamine hydrochloride (373-88-6) → 3,5-bis(trifluoromethyl)pyrazole (14704-41-7) + 4,5-bis(trifluoromethyl)-1H-pyrazole

Guidance literature:

With sodium nitrite; In dichloromethane; water; at 20 ℃; for 72h;

DOI:10.1007/s10593-021-03029-8

upstream raw materials:

1,1,1,5,5,5-hexafluoroacetylacetone

(tetrahydro-3-furanyl)methylamine

2,2,2-trifluroethylamine hydrochloride

Downstream raw materials:

Pt(dppe)(3,5-bis(trifluoromethyl)pyrazole)2

N₁-(4-{[3,5-bis(trifluoromethyl)-1H-pyrazol-1-yl]methyl}-2-methylphenyl)-N₂-[(1S)-1-methyl-2-(methylthio)ethyl]-3-(trifluoromethoxy)-1,2-benzenedicarboxamide