ChemicalBook > CAS DataBase List > 3,5-Dimethylpyrazole

3,5-Dimethylpyrazole

Product Name
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
Formula Weight
96.13
MOL File
67-51-6.mol
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3,5-Dimethylpyrazole Property

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

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
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

H373May cause damage to organs through prolonged or repeated exposure

Precautionary statements

P260Do not breathe dust/fume/gas/mist/vapours/spray.

P264Wash hands thoroughly after handling.

P264Wash skin thouroughly after handling.

P270Do not eat, drink or smoke when using this product.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P314Get medical advice/attention if you feel unwell.

P501Dispose of contents/container to..…

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
05091
Product name
3,5-Dimethylpyrazole
Purity
produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging
1KG-F
Price
$172.2
Updated
2024/03/01
Sigma-Aldrich
Product number
05091
Product name
3,5-Dimethylpyrazole
Purity
produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging
25KG-F
Price
$1720
Updated
2024/03/01
Sigma-Aldrich
Product number
05091
Product name
3,5-Dimethylpyrazole
Purity
produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging
100G-F
Price
$71.2
Updated
2023/06/20
Sigma-Aldrich
Product number
05091
Product name
3,5-Dimethylpyrazole
Purity
produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging
100g
Price
$71.2
Updated
2023/01/07
Sigma-Aldrich
Product number
05091
Product name
3,5-Dimethylpyrazole
Purity
produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging
1kg
Price
$276
Updated
2023/01/07
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3,5-Dimethylpyrazole Chemical Properties,Usage,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.]

3,5-Dimethylpyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

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

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View Lastest Price from 3,5-Dimethylpyrazole manufacturers

HEBEI SHENGSUAN CHEMICAL INDUSTRY CO.,LTD
Product
3,5-Dimethylpyrazole 67-51-6
Price
US $99.00-66.00/kg
Min. Order
0.0010000000474974513kg
Purity
99%
Supply Ability
5000
Release date
2024-08-19
HebeiShuoshengImportandExportco.,Ltd
Product
3,5-Dimethylpyrazole 67-51-6
Price
US $6.00/kg
Min. Order
1kg
Purity
99%
Supply Ability
2000KG/Month
Release date
2024-08-08
WUHAN FORTUNA CHEMICAL CO., LTD
Product
3,5-Dimethylpyrazole 67-51-6
Price
US $0.00-0.00/kg
Min. Order
1kg
Purity
99.5%min HPLC
Supply Ability
10 TONS
Release date
2024-06-24

67-51-6, 3,5-DimethylpyrazoleRelated Search:

Pyrazole Dimethyl ether Pyraclostrobin Mefenpyr-diethyl 5-Methyl-2-phenyl-1,2-dihydropyrazol-3-one ETHANE Dimethyl sulfate Dimethyl carbonate Dimethyl fumarate Zolpidem tartrate N,N-Dimethylformamide Dimethyl sulfoxide Metazachlor Zolpidem 1,4-DIMETHYLPYRAZOLE 3,5-DIMETHYLPYRAZOLE-1-CARBOXAMIDE,3,5-DIMETHYLPYRAZOLE-1-CARBOXYAMIDE 3,5-DIMETHYL-1-PHENYLPYRAZOLE 3-METHYL-5-PHENYL-1H-PYRAZOLE

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  • 67-51-6
  • 65-71-6
  • Pyrazoles
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  • Chemical Synthesis
  • Heterocyclic Building Blocks
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  • Gravimetric ReagentsBuilding Blocks
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  • 67-51-6