Methyl Glucoside

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Synonym: α-Methyl Glucoside

Abbreviation: MeG

Molecular Formula: C₇H₁₄O₆

Molecular Weight: 194.18

CAS No.: 97-30-3

Structural Formula:

Physicochemical Properties：

Appearance: A white or slightly yellowish crystalline powder with a faintly sweet taste. It is non-toxic, readily soluble in water, hygroscopic (easily absorbs moisture), and chemically stable. Melting Point: 169–171°C. Relative Density: 1.46.

Product Purity: Generally not less than 98.0%; Glucoside content: not greater than 1.5%; Loss on Drying: not greater than 1.2%.

Characteristics and Applications：

Methyl glucoside is a non-reducing derivative of glucose. Glucose is an aldose; its aldehyde group is prone to redox reactions, which can result in product discoloration and high acid values, making it unsuitable for direct use in medium-to-high temperature synthesis processes. The chemical stability of glucose is significantly enhanced only after it undergoes condensation with fatty alcohols to form glucosides. Methyl glucoside contains no aldehyde groups and is cost-effective.

Methyl glucoside is a tetrahydroxy polyol featuring a cyclic structure. It serves as an initiator for polyether polyols used in rigid polyurethane foams and can also be utilized in small quantities for the synthesis of polyester polyols. It is employed as a raw material for non-ionic surfactants in daily chemical products and finds application in the pharmaceutical industry. Furthermore, it acts as a modifier for thermosetting urea-formaldehyde and phenol-formaldehyde resins, and is utilized in various industrial sectors such as textile finishing, adhesives, coatings, and cosmetics.