Methylpropanediol

Methylpropanediol (CAS 2163-42-0 ), commonly abbreviated as MPD, is a diol solvent and humectant used across personal care, pharmaceutical, and polymer manufacturing. Its low viscosity and strong solvency make it a practical alternative to propylene glycol.

In personal care, MPD functions as a humectant and solvent in skin creams, serums, and hair care products. It improves active ingredient delivery and texture without the heaviness of conventional glycols often found in these formulations.

Pharmaceutical formulators use it as a carrier solvent in topical preparations where controlled penetration and stability are required. It provides a reliable medium for active pharmaceutical ingredients in various medical applications.

In polymer chemistry, MPD serves as a monomer or chain extender in the production of polyesters, polyurethanes, and UV-curable resins. It contributes significantly to the flexibility and crosslink density in the final material.

Coatings and adhesive manufacturers also incorporate it as a reactive intermediate to tune film performance. This versatility makes it a staple in industrial chemical synthesis and high-performance material engineering.

Methylpropanediol is supplied as a clear, low-viscosity liquid in standard drum and IBC quantities. Cosmetic-grade and technical-grade specifications are the most commonly available for industrial and commercial procurement.

Cosmetic-grade material meets purity requirements suitable for leave-on and rinse-off personal care applications. Pharmaceutical-grade supply is available from select manufacturers for use in regulated topical formulations.

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