2,5-Dimethyl-2,5-hexanediol

  • Distinctive White Crystalline Appearance – This product appears as white crystals, providing a clearly identifiable physical form for industrial handling and processing.

  • Defined Melting Point – With a melting point of 88.5–90°C, the product has well-defined thermal characteristics.

  • High Boiling Point – Its boiling point of 214–215°C provides a useful reference for evaluating its thermal behavior during processing.

  • Specific Solubility Profile – The product is soluble in water, acids, alcohol, and acetone, but insoluble in benzene, carbon tetrachloride, and other organic solvents

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Product Description

This diol is a white crystalline solid carrying two tertiary hydroxyl groups. Owing to its molecular symmetry and the reactive tertiary alcohol sites it provides, it serves as an essential building block for organic peroxides, pyrethroid insecticides, synthetic musks, and polymer crosslinking agents.

Key Features:

  • Offered as white crystalline flakes, which simplifies handling and accurate weighing.

  • Two tertiary hydroxyl groups deliver favorable reactivity toward esterification and peroxide formation.

  • A symmetric molecular framework that supports the construction of symmetric peroxide crosslinkers.

  • Poor solubility in benzene, carbon tetrachloride, and hydrocarbons, while dissolving readily in polar solvents.

  • Sublimes upon heating, which makes purification straightforward.

  • High-purity grades on offer to meet fine-chemical and polymer-grade requirements.

2,5-Dimethyl-2,5-hexanediol CAS#110-03-2

Product Parameters

ItemSpecification
Product Name2,5-Dimethyl-2,5-hexanediol
CAS No.110-03-2
EINECS No.203-750-0
Molecular FormulaC₈H₁₈O₂
Molecular Weight146.23
AppearanceWhite crystalline flakes
Purity≥ 98.0%
Melting Point86 – 90 °C
Boiling Point~ 217 °C
SolubilitySlightly soluble in water; soluble in alcohols and polar solvents
Loss on Drying≤ 0.5%
StorageCool, dry, sealed; combustible, away from heat and oxidizers
Packaging25 kg bag / fiber drum

Product Application

2,5-Dimethyl-2,5-hexanediol is a specialty diol intermediate consumed chiefly in polymer crosslinking, agrochemical manufacture, and fragrance synthesis.
In polymer and rubber chemistry, it is the starting material for 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane, a peroxide crosslinker widely deployed in polyethylene, ethylene copolymers, and silicone rubber. It also contributes to the manufacture of polyether rubber and polyurethane polyols.
Within agrochemicals, it ranks as a key intermediate along the chrysanthemic-acid route to pyrethroid insecticides, and it finds use in selected herbicide and defoamer formulations.
In fragrance and fine-chemical production, it participates in syntheses of synthetic musks and acts as a structural unit for six- and seven-membered heterocyclic boron compounds, surfactants, and mastic adhesives.
2,5-Dimethyl-2,5-hexanediol CAS#110-03-2

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