Triacetin (glycerol triacetate) 98.5-100.5% (by alkalimetry), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®

Supplier: MERCK PRODUCTION CHEMICALS

Synonyms: Glyceryl triacetate, Propane-1,2,3-triyl triacetate, Glycerol triacetate

1.03000.1000 1.03000.9025
1.03000.1000EA 212 GBP
1.03000.1000 1.03000.9025
Triacetin (glycerol triacetate) 98.5-100.5% (by alkalimetry), EMPROVE® ESSENTIAL Ph. Eur., BP, USP, SAFC®
Triacetin (Glycerol triacetate)
Formula: C₉H₁₄O₆
MW: 218,21 g/mol
Boiling Pt: 258 °C (1013 hPa)
Melting Pt: –78 °C
Density: 1,1596 g/cm³ (20 °C)
Flash Pt: 138 °C (closed cup)
Storage Temperature: Ambient
MDL Number: MFCD00008716
CAS Number: 102-76-1
EINECS: 203-051-9
Merck Index: 13,09664

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Specification Test Results

Assay (Alkalimetric, Calculated on Anhydrous Substance) 98.5 - 100.5%
Assay (GC, calc. on anhydrous substance) 97.0 - 102.0%
Identity (IR-spectrum) Passes Test
Identity (GC) Passes Test
Appearance Clear Colorless, Slightly Viscous Liquid, not more Intense in Color than Reference Solution Y₆
Acidity (Ph. Eur./ USP) passes test
Refractive Index (n 20/D) 1.430 - 1.432
Density (d 20/20) 1.159 - 1.164
As (Arsenic) ≤1.5 ppm
Acetic Acid (GC) ≤0.1%
Glycerol (GC) ≤0.1%
1-Monoacetin (GC) ≤0.1%
2-Monoacetin (GC) ≤0.1%
1,3-Diacetin (GC) ≤0.1%
1,2-Diacetin (GC) ≤0.1%
Individual, Unspecified Impurity (GC) ≤0.1%
Sum of all impurities (GC) ≤0.2%
Acetic Acid (Acidity) ≤5000 ppm
Butylacetate (HS-GC) ≤5000 ppm
Other Residual Solvents (ICH Q3C) Excluded by Manufacturing Process
Water (According to Karl Fischer) ≤0.2%
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Corresponds to Ph. Eur., BP, USP

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