ChemicalBook > CAS DataBase List > 1,3,5-Trimethylpyrazole

1,3,5-Trimethylpyrazole

Product Name
1,3,5-Trimethylpyrazole
CAS No.
1072-91-9
Chemical Name
1,3,5-Trimethylpyrazole
Synonyms
AKOS PAO-1133;BUTTPARK 153\57-40;VITAS-BB TBB000655;1,3,5-TRIMETHYLPYRAZOLE;Pyrazole, 1,3,5-trimethyl-;1,3,5-TRIMETHYL-1H-PYRAZOLE;1,3,5,-Trimethylpyrazole,99%;1,3,5-Trimethylpyrazole ,98%;1,3,5,-TRIMETHYLPYRAZOLE 99%;1,3,5-TriMethylpyrazole, 97+%
CBNumber
CB7368398
Molecular Formula
C6H10N2
Formula Weight
110.16
MOL File
1072-91-9.mol
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1,3,5-Trimethylpyrazole Property

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
InChI
InChI=1S/C6H10N2/c1-5-4-6(2)8(3)7-5/h4H,1-3H3
InChIKey
HNOQAFMOBRWDKQ-UHFFFAOYSA-N
SMILES
N1(C)C(C)=CC(C)=N1
CAS DataBase Reference
1072-91-9(CAS DataBase Reference)
NIST Chemistry Reference
1,3,5-Trimethylpyrazole(1072-91-9)
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Safety

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H228Flammable solid

H315Causes skin irritation

H319Causes serious eye irritation

H335May cause respiratory irritation

Precautionary statements

P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
533831
Product name
1,3,5-Trimethylpyrazole
Purity
97%
Packaging
5g
Price
$112
Updated
2023/06/20
TCI Chemical
Product number
T2724
Product name
1,3,5-Trimethylpyrazole
Purity
>98.0%(GC)
Packaging
5g
Price
$24
Updated
2025/07/31
TCI Chemical
Product number
T2724
Product name
1,3,5-Trimethylpyrazole
Purity
>98.0%(GC)
Packaging
25g
Price
$76
Updated
2025/07/31
TRC
Product number
T796675
Product name
1,3,5-Trimethylpyrazole
Packaging
10g
Price
$135
Updated
2021/12/16
Apolloscientific
Product number
OR9220
Product name
1,3,5-Trimethyl-1H-pyrazole
Purity
98%
Packaging
25g
Price
$169
Updated
2021/12/16
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1,3,5-Trimethylpyrazole Chemical Properties,Usage,Production

Chemical Properties

White Low-Mekting Solid

Uses

1,3,5-Trimethylpyrazole is a compound used for chemical synthesis[1].

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

References

[1] Li QB, et al. Design, Synthesis, and Biological Activities of Novel 1,3,5-Trimethylpyrazole-Containing Malonamide Derivatives. Molecules. 2019 Feb 3;24(3). DOI:10.3390/molecules24030562

1,3,5-Trimethylpyrazole Preparation Products And Raw materials

Raw materials

Acetylacetone 3,5-Dimethylpyrazole Chloroform Carbon tetrachloride Methylhydrazine Sodium hydroxide Dimethyl carbonate PETROLEUM ETHER

Preparation Products

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1,3,5-Trimethylpyrazole Suppliers

Belgium 2 Canada 1 China 209 France 1 Germany 4 India 6 Japan 3 Russia 1 Switzerland 2 The Netherlands 1 United Kingdom 13 United States 26 Global 269
Brunschwig chemie
Tel
--
Fax
--
Email
brunschwig@brunschwig.nl
Country
The Netherlands
ProdList
4996
Advantage
67
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View Lastest Price from 1,3,5-Trimethylpyrazole manufacturers

Hubei Lidu New Material Technology Co., Ltd
Product
1,3,5-Trimethylpyrazole 1072-91-9
Price
US $0.00-0.00/KG
Min. Order
1KG
Purity
98%
Supply Ability
20TONS
Release date
2025-11-04
Shaanxi Dideu Medichem Co. Ltd
Product
1,3,5-Trimethylpyrazole 1072-91-9
Price
US $0.10/KG
Min. Order
1KG
Purity
98.0%
Supply Ability
10
Release date
2024-07-07
PNP Biotech Co. Ltd
Product
1,3,5-Trimethylpyrazole 1072-91-9
Price
US $0.00/kg
Min. Order
25kg
Purity
98%
Supply Ability
Inquiry
Release date
2022-10-25

1072-91-9, 1,3,5-TrimethylpyrazoleRelated Search:

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 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-DIMETHYL-1-PHENYLPYRAZOLE 3,5-DIMETHYLPYRAZOLE-1-CARBOXAMIDINE NITRATE 2-[1-METHYL-5-(TRIFLUOROMETHYL)PYRAZOL-3-YL]-THIOPHENE-5-CARBOXALDEHYDE

  • 1,3,5-Trimethylpyrazole ,98%
  • 1,3,5,-Trimethylpyrazole,99%
  • 1,3,5-TriMethylpyrazole, 97+%
  • 1,3,5-Trimethyl-1H-pyrazole98%
  • VITAS-BB TBB000655
  • 1H-Pyrazole, 1,3,5-trimethyl-
  • Pyrazole, 1,3,5-trimethyl-
  • 1,3,5-TRIMETHYL-1H-PYRAZOLE
  • 1,3,5-TRIMETHYLPYRAZOLE
  • AKOS PAO-1133
  • BUTTPARK 153\57-40
  • 1,3,5-Trimethyl-1H-pyrazole 98%
  • 1,3,5,-TRIMETHYLPYRAZOLE 99%
  • 1,3,5-TRIMETHYLPYRAZOLE CAS NO.: 1072-91-9
  • 1072-91-9
  • 072-91-9
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