1,3,5-Trimethylpyrazole Chemical Properties

Melting point:

38-41 °C (lit.)

Boiling point:

168-170 °C

Density 

0.93

refractive index 

1.4589

Flash point:

93 °F

storage temp. 

Sealed in dry,Room Temperature

solubility 

soluble in Methanol

form 

powder to lump to clear liquid

pka

3.30±0.10(Predicted)

color 

White or Colorless to Light yellow

λmax

220nm(MeOH)(lit.)

BRN 

110515

CAS DataBase Reference

1072-91-9(CAS DataBase Reference)

NIST Chemistry Reference

1,3,5-Trimethylpyrazole(1072-91-9)

Safety Information

Hazard Codes 

Xi,F

Risk Statements 

10-36/37/38

Safety Statements 

16-26-36

RIDADR 

UN 1325 4.1/PG 3

WGK Germany 

3

Hazard Note 

Flammable

HazardClass 

3

PackingGroup 

III

HS Code 

29331990

MSDS

• Language:English Provider:1,3,5-Trimethylpyrazole
• Language:English Provider:SigmaAldrich
• Language:English Provider:ACROS
• Language:English Provider:ALFA

1,3,5-Trimethylpyrazole Usage And Synthesis

Chemical Properties

White Low-Mekting Solid

Definition

ChEBI: 1,3,5-Trimethyl-1H-pyrazole is a member of pyrazoles.

Synthesis Reference(s)

Canadian Journal of Chemistry, 71, p. 410, 1993 DOI: 10.1139/v93-060

1,3,5-Trimethylpyrazole(1072-91-9)Related Product Information

• Zolpidem tartrate
• 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one
• Trimethyl borate
• 5-Methyl-1H-benzotriazole
• Pyrazole
• Pyraclostrobin
• 1-CHLOROMETHYL-1H-1,2,4-TRIAZOLE
• Zolpidem
• ETHYL 2-(4-BROMO-3,5-DIMETHYL-1H-PYRAZOL-1-YL)ACETATE
• 3,5-DIMETHYL-1-PHENYLPYRAZOLE
• 2-[1-METHYL-3-(TRIFLUOROMETHYL)PYRAZOL-5-YL]-THIOPHENE-5-CARBOXALDEHYDE
• 3,5-DIMETHYLPYRAZOLE-1-CARBOXAMIDE
• 4-AMINO-1,3,5-TRIMETHYLPYRAZOLE
• 1-CYANOACETYL-3,5-DIMETHYLPYRAZOLE
• 4-BROMO-1,3,5-TRIMETHYLPYRAZOLE, PURISS, 98%,4-BROMO-1,3,5-TRIMETHYLPYRAZOLE
• 3,5-DIMETHYLPYRAZOLE-1-METHANOL
• 3,5-DIMETHYLPYRAZOLE-1-CARBOXAMIDINE NITRATE
• 2-[1-METHYL-5-(TRIFLUOROMETHYL)PYRAZOL-3-YL]-THIOPHENE-5-CARBOXALDEHYDE