628-66-0

Basic information

• Product Name: Trimethylene acetate
• Synonyms: Diacetic acid 1,3-propanediyl ester;3-acetyloxypropyl ethanoate;acetic acid 3-acetoxypropyl ester;1,3-acetoxy propane;1,3-Propylene diacetate;1,3-Propylene glycol diacetate;3-(Acetyloxy)propyl acetate;diacetate of 1,3-propanediol
• CAS NO: 628-66-0
• Molecular Formula: C₇H₁₂O₄
• Molecular Weight: 160.17
• Mol File: 628-66-0.mol
• Article Data: 2

Chemical Properties

• Boiling Point: 209-210°C
• Flash Point: 97.5°C
• Appearance: UN1993
• Density: 1.0700
• Vapor Pressure: 0.195mmHg at 25°C
• Refractive Index: 1.4192 (estimate)
• Storage Temp.: Refrigerator
• Solubility: Chloroform (Slightly), Ethyl Acetate (Slightly)
• CAS DataBase Reference: Trimethylene acetate(CAS DataBase Reference)
• NIST Chemistry Reference: Trimethylene acetate(628-66-0)
• EPA Substance Registry System: Trimethylene acetate(628-66-0)

Safety Data

• Statements: 10
• Safety Statements: 16
• RIDADR: 1993
• Hazardous Substances Data: 628-66-0(Hazardous Substances Data)

Usage

Description

Trimethylene acetate, also known as 1,3-propanediyl diacetate, is an acetate ester derived from the formal condensation of the two hydroxy groups of propane-1,3-diol with acetic acid. It is a colorless liquid with a fruity odor and is used in various applications across different industries.

Uses

Used in Flavor and Fragrance Industry:
Trimethylene acetate is used as a flavoring agent for imparting a fruity aroma and taste to food products and beverages. Its pleasant odor makes it suitable for use in perfumes and other fragrances.
Used in Plastics and Polymer Industry:
Trimethylene acetate is used as a monomer in the production of various types of polymers, including polyesters and polycarbonates. These polymers are used in the manufacturing of plastic products, films, and fibers.
Used in Adhesives and Sealants Industry:
Trimethylene acetate is used as a reactive diluent in the formulation of adhesives and sealants. Its ability to react with other components in the formulation helps improve the performance and curing properties of the final product.
Used in Coatings Industry:
Trimethylene acetate is used as a solvent in the production of coatings, such as paints and varnishes. Its solubility properties allow it to dissolve various types of resins and help in achieving desired viscosity and application properties.
Used in Lubricants and Greases Industry:
Trimethylene acetate is used as a component in the formulation of lubricants and greases. Its ability to reduce friction and wear makes it suitable for use in various mechanical applications, including automotive and industrial equipment.

InChI:InChI=1/C7H12O4/c1-6(8)10-4-3-5-11-7(2)9/h3-5H2,1-2H3

Upstream product

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Downstream Products

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• 56-81-5 glycerol 

Relevant articles and documents

MANUFACTURE OF 1,3-PROPANEDIOL ESTERS

Disclosed is a process for manufacturing an ester of 1,3-propanediol, comprising, contacting at a temperature of about 0 DEG C. to about 250 DEG C., ethylene, formaldehyde or a form of formaldehyde, a carboxylic acid, and a compound of the formula MZn.Qt, wherein: M is a zirconium[IV], cobalt[II], vanadium[IV], bismuth[II], tin[II], a rare earth metal, scandium or yttrium; n is the oxidation state of M; at least one of Z is an anion of the formula R1SO3- or R1CO2-, wherein R1 is hydrocarbyl or substituted hydrocarbyl containing 1 to 20 carbon atoms or part of a polymer, and the remainder of Z is oxo or one or more monovalent anions; Q is a neutral ligand; and t is 0 or an integer of 1 to 12.