Propylene Glycol Diacetate

General Properties and Specifications of Propylene Glycol Diacetate or 1,2-Propylene Glycol Diacetate or 1,2-Propanediol or 1,2-Diacetoxypropane:
Assay by GC: 99% minimum.
Appearance: Clear colorless liquid with mild fruity aroma.
Relative density: about 1.05 to 1.06
Melting point: -31C
Boiling point: 190C to 191C literature.
Flash point: 86C literature.
Autoignition temperature: 431C literature.
Solubility: Soluble in water.
It is used as a solvent, as an emulsifier food additive, a plasticizer for cellulosics, and a coalescing agent for paints.

Propylene Glycol Diacetate USP NF Grade Specifications:
C7H12O4 -- 160.17
1,2-Propanediol, 1,2-diacetate; Propane-1,2-diyl diacetate[623-84-7].

DEFINITION
Propylene Glycol Diacetate contains NLT 98.0% and NMT 102.0% of propylene glycol diacetate (C7H12O4).

IDENTIFICATION
A. SPECTROSCOPIC IDENTIFICATION TESTS, Infrared Spectroscopy:
B. CHROMATOGRAPHIC IDENTITY
To pass the test.
Acceptance criteria: The retention time of the major peak of the Sample solution, excluding the solvent and internal standard peaks, corresponds to the propylene glycol diacetate peak of the Standard solution.

ASSAY
To pass the test.
Acceptance criteria: 98.0%–102.0%

IMPURITIES
Organic Impurities:
To pass the test.
Acceptance criteria:
Individual impurity: NMT 0.1%
Total impurities: NMT 0.5%
Acetic acid: NMT 0.2%
pH: 4–6
Specific gravity: 1.04–1.06
Refractive index: 1.413–1.415 at 20C.
Water determination: NMT 0.1%

Certifications :
We manufacture Bulk Drugs / API, Excipients, Pharmaceuticals (IP/BP/USP/NF/Ph. Eur, JP/ CP), Speciality Chemicals(Pure/AR/ACS), Mineral Fortifiers, Food Chemical Codex (FCC) and Flavour chemicals. Our manufacturing facility is cGMP, GLP, ISO 9001, ISO 14001, ISO 22000, ISO/IEC 17025, FSSC 22000, FSSAI, Kosher, HALAL, EXCiPACT, WC, COPP, WHO-GMP and WC certified. We are also REACH registered for export to European countries.