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3,4-Dimethyl pyrazole

3,4-Dimethyl pyrazole Structure
3,4-Dimethyl pyrazole structure
CAS No.
2820-37-3
Chemical Name:
3,4-Dimethyl pyrazole
Synonyms
4,5-dimethyl-1H-pyrazole;3,4-Dimethyl-1;3,4-Dimethyl pyrazole;3,4-Dimethyl-1H-pyrazol;4,5-dimethyl-lH pyrazole;1H-Pyrazole, 3,4-dimethyl-;3,4-DIMETHYL PYRAZOLE 、 DMP;3,4-Dimethyl-1H-pyrazole
CBNumber:
CB4576899
Molecular Formula:
C5H8N2
Molecular Weight:
96.13
MDL Number:
MFCD00462154
MOL File:
2820-37-3.mol
MSDS File:
SDS
Last updated:2026-09-12 18:52:54
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3,4-Dimethyl pyrazole Properties

Melting point 44-46°C
Boiling point 189.67°C (rough estimate)
Density 0.9325
refractive index 1.4739 (estimate)
storage temp. Sealed in dry,Room Temperature
solubility Acetonitrile (Very Slightly), Chloroform (Slightly)
pka 15.51±0.50(Predicted)
form Fused Solid
color Cream
Water Solubility Slightly soluble in water.
BRN 1621
InChI InChI=1S/C5H8N2/c1-4-3-6-7-5(4)2/h3H,1-2H3,(H,6,7)
InChIKey VQTVFIMEENGCJA-UHFFFAOYSA-N
SMILES N1C=C(C)C(C)=N1
FDA UNII 7LF1K5QUJ0
EPA Substance Registry System 1H-Pyrazole, 3,4-dimethyl- (2820-37-3)
UNSPSC Code 12352100
NACRES NA.22

SAFETY

Risk and Safety Statements

Symbol(GHS)  Corrosion (GHS05)Exclamation Mark (GHS07)
GHS05,GHS07
Signal word  Danger
Hazard statements  H302-H318-H412
Precautionary statements  P273-P280-P301+P312+P330-P305+P351+P338+P310
PPE dust mask type N95 (US), Eyeshields, Gloves
Hazard Codes  Xn
Risk Statements  22-41-52/53
Safety Statements  26-39-61
WGK Germany  3
HS Code  2933199090
Storage Class 11 - Combustible Solids
Hazard Classifications Acute Tox. 4 Oral
Aquatic Chronic 3
Eye Dam. 1
REACH Registrations Active
NFPA 704
1
2 0

3,4-Dimethyl pyrazole price More Price(48)

Manufacturer Product number Product description CAS number Packaging Price Updated Buy
Sigma-Aldrich 713430 3,4-Dimethyl-1H-pyrazole ≥97.0% 2820-37-3 500mg $141 2026-04-30 Buy
Sigma-Aldrich 90009 3,4-Dimethyl-1 analytical standard 2820-37-3 50mg $85.6 2022-05-15 Buy
Biosynth FD22403 3,4-Dimethylpyrazole 2820-37-3 2g $217.68 2026-06-04 Buy
Biosynth FD22403 3,4-Dimethylpyrazole 2820-37-3 5g $408.2 2026-06-04 Buy
Biosynth FD22403 3,4-Dimethylpyrazole 2820-37-3 10g $635 2026-06-04 Buy
Product number Packaging Price Buy
713430 500mg $141 Buy
90009 50mg $85.6 Buy
FD22403 2g $217.68 Buy
FD22403 5g $408.2 Buy
FD22403 10g $635 Buy

3,4-Dimethyl pyrazole Chemical Properties, Uses, Production

Chemical Properties

Light Yellow Solid

Uses

3,4-Dimethyl-1H-pyrazole is used as pharmaceutical intermediate.

Definition

ChEBI: 3,4-dimethyl-1H-pyrazole is a member of the class of pyrazoles that is 1H-pyrazole which is substituted by methyl groups at positions 3 and 4.

3,4-Dimethyl pyrazole Preparation Products And Raw materials

Raw materials

Preparation Products

3,4-Dimethylpyrazole phosphate 5-Iodo-3,4-dimethyl-1H-pyrazole

3,4-Dimethyl pyrazole Suppliers

Global Suppliers ( 120)
Supplier Tel Email Country ProdList Advantage
Joyman BIOTECH (Lianyungang) Co., Ltd. 0518-85817797 18661269107 info@joy-man.com China 41 58
Wuhan Yuqing Jiaheng Pharmaceutical Co., Ltd. 027-83855312 17771813295 13377865312 2668571332@qq.com China 4404 58
Wuhan Tongyi Su Biotechnology Co., Ltd. 15071019375 634847344@qq.com China 876 58
J & K SCIENTIFIC LTD. 18210857532 18210857532 jkinfo@jkchemical.com China 96815 76
Alfa Aesar 400-6106006 saleschina@alfa-asia.com China 30103 84
Energy Chemical 400-0056266 sales8178@energy-chemical.com China 44850 61
Shanghai Longsheng chemical Co.,Ltd. 58099637 13585536065 sales@shlschem.com China 9880 59
Chemsky（shanghai）International Co.,Ltd. 021-50135380 shchemsky@sina.com China 32273 50
Zhengzhou HSH Science & Technology Co., Ltd. 0371-55932928 18937192232; 1282296214@qq.com China 497 55
Bide Pharmatech Ltd. 400-164-7117 18317119277 product02@bidepharm.com China 40000 60
Supplier Advantage
Joyman BIOTECH (Lianyungang) Co., Ltd. 58
Wuhan Yuqing Jiaheng Pharmaceutical Co., Ltd. 58
Wuhan Tongyi Su Biotechnology Co., Ltd. 58
J & K SCIENTIFIC LTD. 76
Alfa Aesar 84
Energy Chemical 61
Shanghai Longsheng chemical Co.,Ltd. 59
Chemsky（shanghai）International Co.,Ltd. 50
Zhengzhou HSH Science & Technology Co., Ltd. 55
Bide Pharmatech Ltd. 60

View Latest Price from 3,4-Dimethyl pyrazole manufacturers

Image Update time Product Price Min. Order Purity Supply Ability Manufacturer
3,4-DIMETHYL PYRAZOLE pictures 2026-03-20 3,4-DIMETHYL PYRAZOLE
2820-37-3
 $10.00 1KG 99% 10 mt Hebei Chuanghai Biotechnology Co., Ltd
3,4-DIMETHYL PYRAZOLE pictures 2019-07-06 3,4-DIMETHYL PYRAZOLE
2820-37-3
 $50.00 1KG 98% 40T Career Henan Chemical Co

3,4-Dimethyl pyrazole Spectrum

3,4-DIMETHYL PYRAZOLE(2820-37-3)1HNMR3,4-DIMETHYL PYRAZOLE(2820-37-3)FT-IR

2820-37-3 (3,4-Dimethyl pyrazole) Related Search:

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3,4-Dimethyl-1H-pyrazol 3,4-Dimethyl-1 1H-Pyrazole, 3,4-dimethyl- 3,4-Dimethyl-1H-pyrazole 4,5-dimethyl-lH pyrazole 3,4-DIMETHYL PYRAZOLE 、 DMP 4,5-dimethyl-1H-pyrazole 3,4-Dimethyl pyrazole 2820-37-3 Heterocyclic Compounds Bases & Related Reagents Heterocycles Nucleotides