1,3-Diacetin

1,3-Diacetin - Names and Identifiers

Name	2-hydroxypropane-1,3-diyl diacetate
Synonyms	1,3-Diacetin Glyceryl 1,3-diacetate 1,2,3-Propanetriol,1,3-diacetate 2-hydroxypropane-1,3-diyl diacetate
CAS	105-70-4
EINECS	203-323-7

1,3-Diacetin - Physico-chemical Properties

Molecular Formula	C7H12O5
Molar Mass	176.17
Density	1.1790
Boling Point	227.77°C (rough estimate)
pKa	13.14±0.20(Predicted)
Storage Condition	Room Temprature
Refractive Index	1.4395 (estimate)

1,3-Diacetin - Upstream Downstream Industry

Raw Materials	Einecs 203-415-7 1,3-DIACETOXYACETONE (2-acetyloxy-3-hydroxy-propyl) acetate Triacetin
Downstream Products	2-methylenepropane-1,3-diyl diacetate

1,3-Diacetin - Introduction

2-hydroxypropylane-1, 3-diyl diacetate, also known as 1,3-dimethyl oxalate, has the molecular formula C7H12O5 and the structural formula CH3COOCH2CH(OH)CH2OCOCH3. The following is a description of the nature, use, preparation and safety information of the substance:

Nature:
-Appearance is colorless liquid.
-has poor water solubility, soluble in organic solvents.
-It has a sweet taste.

Use:
2-hydroxypane-1, 3-diyl diacetate is mainly used in the industrial field, for the manufacture of softeners, solvents, lubricants, etc.

Method:
2-hydroxypane-1, 3-diyl diacetate can be prepared by the following steps:
1. Esterification of 2-hydroxyethyl acetone with acetic anhydride.
2. Use an acid catalyst, such as sulfuric acid for the reaction.
3. The product was isolated and purified to give the final product.

Safety Information:
According to the chemical Safety technical instructions (Safety Data Sheet), 2-hydroxypane-1, 3-diyl diacetate may produce vapor or gas under certain conditions.
-Avoid inhalation, contact with skin and eyes, and avoid ingestion.
-Wear suitable protective gloves, protective glasses and earmuffs when used.
-Operate in a well-ventilated place and ensure fire and explosion prevention measures.
-Store away from fire and oxidant.

Last Update：2024-04-10 22:29:15