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3,5-Dimethylpyrazole

CAS No.
67-51-6
Chemical Name:
3,5-Dimethylpyrazole
Synonyms
3,5-DIMETHYL-1H-PYRAZOLE;DimethylPyrazole;3,5-DIMETHYLPYRAZOL;th564;u6245;TH 564;U 6245;TIMTEC-BB SBB004377;,5-Dimethylpyrazole;3,5-DIMETHYLPYRAZOLE
CBNumber:
CB2707394
Molecular Formula:
C5H8N2
Molecular Weight:
96.13
MDL Number:
MFCD00005243
MOL File:
67-51-6.mol
MSDS File:
SDS
Last updated:2024-04-17 18:50:11

3,5-Dimethylpyrazole 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)
EWG's Food Scores 1
FDA UNII H21N865K9J
NIST Chemistry Reference 1H-Pyrazole, 3,5-dimethyl-(67-51-6)
EPA Substance Registry System 3,5-Dimethylpyrazole (67-51-6)

SAFETY

Risk and Safety Statements

Symbol(GHS)  GHS hazard pictogramsGHS hazard pictograms
GHS07,GHS08
Signal word  Warning
Hazard statements  H302-H373
Precautionary statements  P260-P264-P270-P301+P312-P314-P501
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
NFPA 704
1
2 0

3,5-Dimethylpyrazole price More Price(43)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) 67-51-6 1KG-F $172.2 2024-03-01 Buy
Sigma-Aldrich 05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) 67-51-6 25KG-F $1720 2024-03-01 Buy
Sigma-Aldrich 05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) 67-51-6 100G-F $71.2 2023-06-20 Buy
Sigma-Aldrich 05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) 67-51-6 100g $71.2 2023-01-07 Buy
Sigma-Aldrich 05091 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC) 67-51-6 1kg $276 2023-01-07 Buy
Product number Packaging Price Buy
05091 1KG-F $172.2 Buy
05091 25KG-F $1720 Buy
05091 100G-F $71.2 Buy
05091 100g $71.2 Buy
05091 1kg $276 Buy

3,5-Dimethylpyrazole Chemical Properties,Uses,Production

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.]

123-54-6
67-51-6
Synthesis of 3,5-Dimethylpyrazole from Acetylacetone
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View Lastest Price from 3,5-Dimethylpyrazole manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,5-Dimethylpyrazole pictures 2024-04-18 3,5-Dimethylpyrazole
67-51-6
US $6.00 / KG 1KG More than 99% 2000KG/MONTH Hebei Saisier Technology Co., LTD
3,5-dimethylpyrazole pictures 2024-04-08 3,5-dimethylpyrazole
67-51-6
US $0.00-0.00 / Kg 1Kg 99.9% 200tons airuikechemical co., ltd.
3,5-Dimethylpyrazole pictures 2024-03-26 3,5-Dimethylpyrazole
67-51-6
US $0.00-0.00 / kg 1kg 99% 50000kg Hebei Yibangte Import and Export Co. , Ltd.
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 3,5-DIMETHYLPYRAZOLE 3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, >=99.0% (GC) 3,5-Dimethyl-1H-pyrazole,99% th564 U 6245 u6245 Pyrazole, 3,5-dimethyl- (6CI, 8CI) 3,5-Dimethylpyrazole,99% ,5-Dimethylpyrazole 3,5-DiMethylpyrazole, 99% 100GR 3,5-Dimethylpyrazole, 98.50% 3,5-DIMETHYLPYRAZOL FOR SYNTHESIS 3,5-DiMethylpyrazole (3,5-diMethyl-1H-pyrazole) 3,5-DiMethylpyrazole, 98%+ 3,5-DIMETHYL PYRAZOLE (3,5 DMP) 3,5-Dimethylpyrazole 67-51-6 67-51-6 3,5-Dimethylpyrazole 3,5-Dimethylpyrazole> 3,5-Dimetnyl Pyrazole [DMP] 3,5-DIMETHYL-1H-PYRAZOLE 3,5-DIMETHYLPYRAZOL DimethylPyrazole Sulfabenzopyrazole impurities3 3,5-Dimethylpyrazole, ≥ 98.0% 67-51-6 65-71-6 Pyrazoles Pharmaceutical intermediates Building Blocks C3 to C5 Chemical Synthesis Heterocyclic Building Blocks Building Blocks Heterocyclic Building Blocks Pyrazoles Gravimetric ReagentsBuilding Blocks Analytical Reagents Analytical/Chromatography Diketene Derivatives Pyrazolones bc0001 67-51-6