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1,5-Pentanediol CAS 111-29-5

Product name: 1,5-Pentanediol

CAS NO: 111-29-5

Molecular formula: C₅H₁₂O₂

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Place of Origin: China
Brand Name: FIRSKY
Model Number: 1KG
Certification: SGS,ISO 9001
Purity: 99%
Packaging Details: Custom aluminum packages,paper boxes,wooden cartons
Delivery Time: Tracks available within 3-5 working days after payment received
Payment Terms: Escrow,Bank transfer,Western Union,Money Gram,Wise,Crypto currencies
Supply Ability: 2000T/Mouth


1,5-Pentanediol is a high-purity organic compound classified as a diol. It is also known as pentamethylene glycol or pentylene glycol. The chemical structure consists of a straight-chain carbon backbone with two hydroxyl (OH) groups attached to different carbon atoms. This colorless, viscous liquid has a faint odor and is miscible with water and various organic solvents. It is produced through advanced synthesis techniques, ensuring consistent quality and purity for a wide range of applications.


1,5-Pentanediol is a versatile ingredient used in the formulation of personal care products, including cosmetics, skincare items, and hair care products. Its properties as a humectant and moisturizer make it effective in attracting and retaining moisture, keeping the skin and hair hydrated. Additionally, it can improve the spreadability and texture of formulations, enhancing the overall sensory experience for users.

Industrial Coatings and Inks:

In the industrial sector, 1,5-Pentanediol is utilized as a coalescing agent in water-based coatings and inks. Coalescing agents help promote film formation by facilitating the merging of polymer particles during the drying process. This improves the adhesion and durability of the coating or ink, leading to a smoother and more even finish.

Solvent and Chemical Intermediates:

1,5-Pentanediol serves as a solvent in various chemical processes, such as the production of resins, dyes, and adhesives. Its solubility in water and many organic solvents allows it to act as an effective medium for dissolving and transporting reactants during synthesis reactions. Additionally, it acts as a chemical intermediate in the production of specialized compounds used in different industries.

Food and Beverage Additive:

In the food industry, 1,5-Pentanediol may find applications as an additive, although usage is limited compared to other diols like 1,2-propanediol and 1,3-propanediol. It can be used as a flavor enhancer or a sweetener in specific food and beverage products, improving their taste profiles.


Chemical Name 1,5-Pentanediol
Synonyms 1,5-Dihydroxypentane; 1,5-Pentamethylene Glycol; NSC 5927; Pentamethylene Glycol; Pentylene Glycol; α,ω-Pentanediol; ω-Pentanediol
CAS Number 111-29-5
Molecular Formula C₅H₁₂O₂
Appearance Clear Colourless Oil to Thick Oil
Molecular Weight 104.15
Storage 20°C
Solubility Methanol (Slightly)
Category Building Blocks; Miscellaneous;
Applications 1,5-Pentanediol is used as a reagent in the total synthesis of (+)-Rubriflordilactone A, a nortriterpenoid natural product. 1,5-Pentanediol is also the starting material in the synthesis of Pseudomonic Acid D Sodium (P839520); an antibiotic isolated from Pseudomonas fluorescens.


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