Description

2-Hydroxypropane-1,3-Diyl Diacetate is a versatile organic ester compound, also known as glycerol 1,3-diacetate, valued for its role as a plasticizer, solvent, and chemical intermediate. Its bifunctional structure provides excellent compatibility with a wide range of polymers and resins, making it a key component in formulations requiring flexibility and controlled release. This product is essential for manufacturers in the plastics, coatings, and personal care industries seeking high-purity intermediates for specialty applications.

Application

• Plasticizer for Polymers: Used to impart flexibility and reduce brittleness in cellulose-based plastics, polyvinyl butyral (PVB), and other specialty resins.
• Solvent and Coalescing Agent: Acts as a high-boiling point solvent and coalescing aid in industrial coatings, inks, and adhesive formulations.
• Chemical Synthesis Intermediate: Serves as a key building block for the production of more complex esters, pharmaceuticals, and fine chemicals.
• Personal Care and Cosmetic Ingredient: Functions as a skin conditioning agent, emollient, and solvent in cosmetic formulations.
• Food Additive and Flavor Carrier: Employed as a food-grade humectant, solvent, and carrier for flavors and colors (subject to appropriate grade and regulatory approval).
• Tobacco Humectant: Used to maintain moisture content and control the burning rate in tobacco products.

Basic Information

Product Name	2-Hydroxypropane-1,3-Diyl Diacetate
CAS No.	105-70-4
Molecular Formula	C7H12O5
Molecular Weight	176.17 g/mol
Synonyms	1,3-Diacetin; Glycerol 1,3-Diacetate; 1,3-Diacetylglycerol; Diacetin (mixed isomer); Glyceryl Diacetate; 2-Hydroxy-1,3-propanediyl Diacetate; 1,3-Glycerol Diacetate; NSC 406282
EINECS	203-322-6

Quality Control

Our 2-Hydroxypropane-1,3-Diyl Diacetate is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting these results are available upon request. We can supply grades suitable for industrial, cosmetic, and food applications, with compliance supported as needed.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. The product is hygroscopic (moisture-sensitive); ensure containers are sealed after use to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Refractive Index (20°C)	1.430 - 1.440
Density (20°C)	1.175 - 1.195 g/mL
Water Content (KF)	≤ 0.5%
Acidity (as Acetic Acid)	≤ 0.1%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.