Bio - Based / Green Solvents, High-Purity Solvents

1,2-Pentanediol (PTD)

1,2-Pentanediol, frequently identified by its abbreviation PTD, is a versatile synthetic diol that functions as a high-performance multifunctional ingredient within the global specialty chemical industry. Characterized as a colorless, odorless, and water-soluble liquid, this straight-chain alkanediol is valued for its unique combination of properties, including humectancy, antimicrobial boosting capabilities, and solvent efficiency. In cosmetic science, 1,2-Pentanediol plays a critical role as a skin-conditioning agent, enhancing the moisturizing profile of topical formulations while simultaneously improving the sensory experience through a non-tacky skin feel. Beyond its moisturizing attributes, it is recognized for its ability to increase the efficacy of traditional preservatives, thereby allowing for lower concentration levels of biocides in sensitive products. Its amphiphilic nature enables it to act as a bridging agent, improving the solubility of active ingredients and stabilizing emulsions. As a high-purity substance, it meets the rigorous safety standards required for personal care, pharmaceutical, and industrial applications globally today.

Attributes

Key Features and Benefits

Superior Humectancy: Provides intense hydration by binding water molecules within the skin’s stratum corneum effectively.
Preservative Booster: Enhances the efficacy of traditional antimicrobial agents, enabling preservative-free claims in sophisticated formulations.
Excellent Solubilization: Acts as a powerful co-solvent for poorly soluble active ingredients and fragrant components.
Sensory Enhancement: Improves product spreadability while reducing the tackiness and greasiness of complex topical emulsions significantly.
High Stability: Exhibits exceptional thermal and pH stability, ensuring long-term shelf life in diverse chemical environments.
Clear Liquid Profile: Colorless and odorless nature ensures no interference with final product aesthetics or scent profiles consistently across all manufactured batch cycles.

Specifications

Technical Highlights

Molecular Formula: C5H12O2; molecular weight approximately 104.15 g/mol, ensuring very consistent chemical performance and stoichiometry.
Purity Levels: Typically available at greater than 99% purity to minimize potential skin irritation from trace impurities.
Hydrophilic-Lipophilic Balance: Balanced amphiphilic structure allows for seamless integration into both aqueous and oil phases.
Vapor Pressure: Low volatility profile ensures the substance remains effective throughout the application process on skin.
Partition Coefficient: Optimized Log P value facilitates effective skin penetration and delivery of active cosmetic ingredients.
Refractive Index: Consistent optical properties assist in formulating clear gels and high-clarity liquid solutions very efficiently under standard laboratory production conditions.

Download Technical Data Sheet (TDS)

Practical industry uses

Applications

Personal Care: Primary use in high-end moisturizers, anti-aging serums, and sensitive skin lotions as a conditioning agent.
Sun Care: Integrated into sunscreens and after-sun products to improve UV filter solubility and skin hydration levels.
Hair Care: Utilized in conditioners and scalp treatments to provide moisture retention and improve hair fiber manageability.
Color Cosmetics: Applied in liquid foundations and lipsticks to ensure smooth application and even pigment distribution.
Industrial Solvents: Employed as a reactive intermediate in the synthesis of agrochemicals and high-performance industrial coatings.
Pharmaceuticals: Acts as a vehicle for topical drug delivery systems, enhancing active ingredient absorption and stability levels.