3,5-Dimethylpyrazole CAS#: 67-51-6

3,5-Dimethylpyrazole Basic information

Product Name:

3,5-Dimethylpyrazole

Synonyms:

TIMTEC-BB SBB004377
LABOTEST-BB LT00107055
1(H)-3,5-Dimethylpyrazole
1H-Pyrazole,3,5-dimethyl-
3,5-dimethyl-1h-pyrazol
3,5-Dwumetylopirazolu
Pyrazole, 3,5-dimethyl-
TH 564

CAS:

67-51-6

MF:

C5H8N2

MW:

96.13

EINECS:

200-657-5

Product Categories:

Pharmaceutical intermediates
Building Blocks
Building Blocks
C3 to C5
Chemical Synthesis
Heterocyclic Building Blocks
Heterocyclic Building Blocks
Pyrazoles
Gravimetric ReagentsBuilding Blocks
Analytical Reagents
Analytical/Chromatography
Diketene Derivatives
Pyrazolones
bc0001
67-51-6

Mol File:

67-51-6.mol

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3,5-Dimethylpyrazole Chemical Properties

Melting point:: 105-108 °C (lit.)
Boiling point:: 218 °C (lit.)
Density: 0,884 g/cm³
refractive index: 1.4739 (estimate)
Flash point:: 210°C
storage temp.: Sealed in dry,Room Temperature
solubility: methanol: 0.1 g/mL, clear
pka: 15.12±0.10(Predicted)
form: Crystalline Powder or Crystals
color: White to almost white
PH: 6.7 (14g/l, H2O, 20℃)
Water Solubility: Soluble in water, methanol 0.1 g/mL.
BRN: 106325
InChIKey: SDXAWLJRERMRKF-UHFFFAOYSA-N
LogP: 1.010
CAS DataBase Reference: 67-51-6(CAS DataBase Reference)
NIST Chemistry Reference: 1H-Pyrazole, 3,5-dimethyl-(67-51-6)
EPA Substance Registry System: 3,5-Dimethylpyrazole (67-51-6)

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Safety Information

Hazard Codes: Xn,Xi
Risk Statements: 22-36/37/38
Safety Statements: 26-36
WGK Germany: 3
RTECS: UQ6477600
TSCA: Yes
HazardClass: IRRITANT
HS Code: 29331990

MSDS

Language:English Provider:3,5-Dimethylpyrazole
Language:English Provider:SigmaAldrich
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3,5-Dimethylpyrazole Usage And Synthesis

Chemical Properties

White crystal powder

Uses

Common reagent for the preparation of pyrazolato ligated complexes.1,2 Also used to prepare N-1-substituted derivatives having antibacterial activity.3

Uses

3,5-Dimethylpyrazole his a catalyst in the sulfonation of acetic anhydride to sulfoacetic acid and methanedisulfonic acid. 3,5-Dimethylpyrazole has been used in the synthesis of bipyrazolic tripodal derivatives with in vitro antitumor, antifungal and antibacterial activities.

Uses

3,5-Dimethylpyrazole is used as intermediate for the manufacture of organic dyestuffs and photochemicals. Product Data Sheet

Synthesis Reference(s)

Journal of Heterocyclic Chemistry, 19, p. 373, 1982 DOI: 10.1002/jhet.5570190231
Organic Syntheses, Coll. Vol. 4, p. 351, 1963

Purification Methods

Crystallise it from cyclohexane or water. [Barszez et al. J Chem Soc, Dalton Trans 2025 1986, Beilstein 23/5 V 110.]

3,5-Dimethylpyrazole Preparation Products And Raw materials

Preparation Products

4-Bromo-1,3,5-trimethyl-1H-pyrazole (1,3,5-TRIMETHYL-1H-PYRAZOL-4-YL)METHYLAMINE 1,3,5-Trimethylpyrazole 1,3,5-Trimethyl-1H-pyrazole-4-carboxaldehyde 3,5-PYRAZOLEDICARBOXYLIC ACID 1,3,5-TRIMETHYL-1H-PYRAZOLE-4-CARBOXYLIC ACID 1H-Pyrazole-4-carbonyl chloride, 1,3,5-trimethyl- (9CI)DIETHYL 3,5-PYRAZOLEDICARBOXYLATE 3,5-DIMETHYLPYRAZOLE-1-METHANOL

3,5-DimethylpyrazoleSupplier

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