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
Price: $267
Updated: 2025/07/31

Sigma-Aldrich

Product number: 05091
Product name: 3,5-Dimethylpyrazole
Purity: produced by Wacker Chemie AG, Burghausen, Germany, ≥99.0% (GC)
Packaging: 25kg
Price: $1790
Updated: 2025/07/31

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

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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

Americas 2 Belgium 5 Brazil 1 Canada 1 China 515 Europe 5 France 2 Germany 12 India 37 Japan 7 Slovakia 1 South Korea 2 Spain 1 Switzerland 5 The Netherlands 3 Ukraine 1 United Kingdom 18 United States 49 USA 1 Global 668

Hubei Guanhe Industrial Technology Co.LTD

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Anhui Royal Chemical Co., Ltd.

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Yancheng Green Chemicals Co.,Ltd.

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Hubei Shishun Biotechnology Co. Ltd

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Shandong Vantage Specialty Chemicals Biotechnology Co., Ltd.

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Hubei Junrui Biotechnology Co., Ltd

Tel: 13971166412
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View Lastest Price from 3,5-Dimethylpyrazole manufacturers

Shaanxi Didu New Materials Co. Ltd

Product: 3,5-Dimethylpyrazole 67-51-6
Price: US $1.50/g
Min. Order: 1g
Purity: 99.0% Min
Supply Ability: 100 Tons
Release date: 2025-09-20

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: 2025-09-01

Nexal Inc

Product: 3,5-Dimethylpyrazole / 3,5-DMP 67-51-6
Price: US $0.00-0.00/kg
Min. Order: 500kg
Purity: ≥99.5% High Grade
Supply Ability: 100 tons
Release date: 2025-07-14

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

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-DIMETHYL-1H-PYRAZOLE

3,5-DIMETHYLPYRAZOL

3,5-DIMETHYLPYRAZOLE

3,5-Dimethylpyrazole produced by Wacker Chemie AG, Burghausen, Germany, >=99.0% (GC)

3,5-Dimethyl-1H-pyrazole,99%

3,5-DIMETHYL PYRAZOLE (3,5 DMP)

th564

U 6245

u6245

Pyrazole, 3,5-dimethyl- (6CI, 8CI)

DimethylPyrazole

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-Dimethylpyrazole 67-51-6

67-51-6 3,5-Dimethylpyrazole

3,5-Dimethylpyrazole&gt

3,5-Dimetnyl Pyrazole [DMP]

Sulfabenzopyrazole impurities3

3,5-Dimethylpyrazole, ≥ 98.0%

Three,Five-Dimethylpyrazole

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