Description

2,5-Dimethyl-3-Hexyne-2,5-Diol is a versatile alkyne diol characterized by its tertiary alcohol and acetylene functional groups. This unique structure makes it a valuable intermediate and specialty additive in advanced chemical synthesis. It is primarily sought after by manufacturers in the polymer, agrochemical, and pharmaceutical industries for its role as a building block and property modifier.

Application

• Polymer Industry: Used as a chain transfer agent or cross-linking modifier in the production of specialty resins and coatings to control molecular weight and enhance properties.
• Chemical Synthesis: Serves as a key intermediate for synthesizing complex molecules, including pharmaceuticals and agrochemicals, leveraging its reactive acetylene and hydroxyl groups.
• Surface Active Agents: Acts as a precursor or component in the formulation of non-ionic surfactants and wetting agents.
• Corrosion Inhibitors: Incorporated into formulations for metal treatment and cooling water systems due to its chelating potential.
• Photoresist Chemistry: Employed in the electronics industry as a component in advanced photoresist materials for semiconductor manufacturing.
• Adhesive & Sealant Formulations: Functions as a reactive diluent or modifier to improve adhesion and flexibility in high-performance systems.

Basic Information

Product Name	2,5-Dimethyl-3-Hexyne-2,5-Diol
CAS No.	142-30-3
Molecular Formula	C8H14O2
Molecular Weight	142.20 g/mol
Synonyms	3-Hexyne-2,5-diol, 2,5-dimethyl-; Dimethylhexynediol; 2,5-Dimethyl-3-hexyne-2,5-diol; Dimer diol; Acetylenic diol; Surfynol 82 (trade name precursor); Tertiary acetylenic glycol; 2,5-Dimethylhex-3-yne-2,5-diol
EINECS	205-529-7

Quality Control

Our 2,5-Dimethyl-3-Hexyne-2,5-Diol is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.0%
Melting Point	92 - 96 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 10 ppm

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