Structure of Diacetin (CAS NO.25395-31-7):

IUPAC Name: [(2R)-1-Acetyloxy-3-hydroxypropan-2-yl] acetate
Molecular Formula: C₇H₁₂O₅
Molar mass: 176.17 g/mol
Density: 1.182 g/cm³
Flash Point: 100.2 °C
Index of Refraction: 1.443
Boiling Point: 259.1 °C at 760 mmHg
Vapour Pressure: 0.00193 mmHg at 25 °C
Melting Point: -30 °C
Sensitive: hygroscopic
Appearance: absorption near colorless, transparent oily liquid
XLogP3-AA: -0.3
H-Bond Donor: 1
H-Bond Acceptor: 5
Canonical SMILES: CC(=O)OCC(CO)OC(=O)C
Isomeric SMILES: CC(=O)OC[C@@H](CO)OC(=O)C
InChI: InChI=1S/C7H12O5/c1-5(9)11-4-7(3-8)12-6(2)10/h7-8H,3-4H2,1-2H3/t7-/m1/s1 
InChIKey: UXDDRFCJKNROTO-SSDOTTSWSA-N
EINECS: 246-941-2
Product categories: Solvents and Cosolvent; Food processing aids; Food additive

 Diacetin (CAS NO.25395-31-7) can be used of carrier solvent (shellac, resins, etc.) and also can be used as  solvent of resin, camphor and cellulose derivatives.

 Glycerol diacetate (CAS NO.25395-31-7) can be derived by heating Glycerol (l mol) and Acetic acid (2 mol).

Reported in EPA TSCA Inventory.

Safety Statements: 24/25 
S24/25:Avoid contact with skin and eyes.
WGK Germany: 1
RTECS: AK3325000
F: 3
HS Code: 29153930
Low toxicity by ingestion and other routes. A combustible liquid. When heated to decomposition it emits acrid smoke and irritating vapors.

 Diacetin (CAS NO.25395-31-7) also can be called AI3-00676 ; Diacetylglycerol ; Estol 1582 ; Estol 1583 ; Glycerin diacetate ; Glycerine diacetate ; Glycerol diacetate ; Glyceryl diacetate ; 1,2,3-Propanetriol, diacetate . Diacetin (CAS NO.25395-31-7) can be stable under normal temperature and pressure conditions. It is not compatible with strong oxidizing agents and not be exposured to moist air or water. And also prevent it to broken down into hazardous decomposition products: carbon dioxide, carbon monoxide.