Description

3,4-Dimethyl-1-Pentyne-3,4-Diol is a specialized tertiary acetylenic diol. This compound is valued for its unique structure, which provides excellent surfactant and wetting properties in demanding formulations. It is primarily used as an intermediate in the synthesis of specialty chemicals and as a performance additive in industrial applications. Key industries that utilize this product include coatings, adhesives, and advanced material science.

Application

• Intermediate in the synthesis of specialty surfactants and dispersants.
• Performance additive in high-performance industrial and architectural coatings to improve wetting and leveling.
• Component in adhesive and sealant formulations to enhance surface interaction.
• Raw material for producing corrosion inhibitors and metalworking fluid additives.
• Used in the manufacture of polymer additives and plasticizers.
• Research and development chemical for novel material science applications.

Basic Information

Product Name	3,4-Dimethyl-1-Pentyne-3,4-Diol
CAS No.	53722-07-9
Molecular Formula	C7H12O2
Molecular Weight	128.17 g/mol
Synonyms	3,4-Dimethyl-1-pentyn-3,4-diol; 1-Pentyne-3,4-diol, 3,4-dimethyl-; 3,4-Dimethylpent-1-yne-3,4-diol; Dimethylpentynediol; DMPD; Acetylenic diol; Surfynol 82 (historical/trade name reference)
EINECS	258-707-1

Quality Control

Our 3,4-Dimethyl-1-Pentyne-3,4-Diol is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets high-purity standards and consistent performance characteristics. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee supply reliability and product integrity for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 1.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.