Pentadecanedioic acid

Pentadecanedioic acid (CAS 1460-18-0 ) is a long-chain aliphatic dicarboxylic acid used as a monomer and functional ingredient across specialty polymer, lubricant, and cosmetic applications.

Its C15 chain length positions it between the more common C12 and C18 diacids, offering formulators a distinct balance of chain flexibility and reactivity that shorter-chain alternatives cannot replicate.

In polymer chemistry, it serves as a monomer for synthesizing polyesters, polyamides, and specialty resins where longer chain segments are needed to tune mechanical flexibility or melting behavior.

Lubricant formulators incorporate it into ester-based base oils and additive packages, where its diacid structure enables the production of diester lubricants with controlled viscosity profiles.

In personal care, it functions as a plasticizer and emollient-active ingredient in film-forming and conditioning formulations targeting skin and hair products.

Its reactivity with diols and diamines also supports the development of biodegradable polymer platforms, an area of growing procurement interest for sustainable manufacturing.

Pentadecanedioic acid is supplied as a white crystalline powder. It is available primarily in technical and research grades, with purity levels typically ranging from 95% to 98%+.

Packaging options generally range from small laboratory quantities to kilogram-scale orders, reflecting its current positioning as a specialty building block rather than a commodity chemical.

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