3,5-Dimethylpyrazole / 3,5-DMP Structural Formula

3,5-Dimethylpyrazole / 3,5-DMP

CAS NO. 67-51-6

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3 5-Dimethylpyrazole price Catalyst in sulfonation reactions Non-volatile low toxicity compound Isocyanate blocking agent for polyurethane coatings Intermediate for organic dyestuffs and photochemicals Nitrification inhibitor in agriculture (niche application) Sealant in resin systems (polyurethane epoxy) Automotive OEM clear coats Coil coatings and electrophoretic paints 3 5-Dimethylpyrazole manufacturer

Product Description

Applications

Parameter	Product Specification
Product Name	3,5-Dimethylpyrazole / 3,5-DMP
IUPAC Name	3,5-Dimethyl-1H-pyrazole
Synonyms	1H-3,5-Dimethylpyrazole; Dimethylpyrazole; DMP
CAS NO.	67-51-6
EC Number	200-657-3
Molecular Formula	C₅H₈N₂
Structural Formula
Molecular Weight	96.13 g/mol
Appearance	White to off-white crystalline solid
Purity (HPLC)	≥ 99.5%
Moisture (KF)	≤ 0.5%
Melting Point	106 – 108 °C
Grade	Technical grade
Standard Packaging	25 kg lined fiber drum

Specifications are typical values. Always refer to the current Certificate of Analysis (CoA) and Safety Data Sheet (SDS) for the specific lot supplied.

Application Areas of 3,5-Dimethylpyrazole (3,5-DMP, CAS 67-51-6)

3,5-Dimethylpyrazole (3,5-DMP; IUPAC: 3,5-dimethyl-1H-pyrazole; also known as 1H-3,5-dimethylpyrazole or dimethylpyrazole; CAS 67-51-6) is a crystalline N-heterocyclic compound of the pyrazole family. As a substituted pyrazole bearing two methyl groups and an NH proton, it is used by formulators, synthetic chemists, and research laboratories as a building block in several established areas of industrial and academic chemistry.

• Polyurethane Chemistry

3,5-Dimethylpyrazole has been used as a heterocyclic blocking agent for isocyanate groups — a class of use that has been established in the polyurethane industry for several decades. Buyers should evaluate suitability for their own formulations under their internal technical and intellectual-property review.

Typical Use Areas: One-component polyurethane systems, industrial coatings, adhesives, and sealants development

• Heterocyclic Organic Synthesis

The free NH and the two methyl substituents make 3,5-DMP a building block in laboratory- and pilot-scale organic synthesis, including N-alkylation, N-acylation, and condensation reactions used in academic and contract research workflows.

Typical Use Areas: Research-scale intermediates, N-substituted pyrazole derivatives, custom synthesis projects

Physical Form: Supplied as a white to off-white crystalline solid with a melting point of 106–108 °C, allowing convenient handling and weighing under standard laboratory and plant conditions.