Triethyl citrate 99.0-101.0% (alkalimetric, calculated on anhydrous substance) Ph. Eur., JPE, NF, SAFC®
Fornitore: MERCK PRODUCTION CHEMICALS
Synonyms:
Triethyl 2-hydroxypropane-1,2,3-tricarboxylate, Hydroxytricarballylic acid triethyl ester, Citric acid triethyl ester
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 (*).
Certificazioni: Corresponds to Ph. Eur., JPE, NF
Formula:
C₁₂H₂₀O₇ Peso molecolare: 276,29 g/mol Punto di ebollizione: 294 °C (1013 hPa) Punto di fusione: –55 °C Densità: 1,135 g/cm³ (25 °C) Flash Pt: 150 °C Temperatura di stoccaggio: Ambiente |
MDL Number:
MFCD00009201 CAS Number: 77-93-0 EINECS: 201-070-7 |
Risultati del test di specificazione
Assay (alkalimetric, calculated on anhydrous substance) | 99.0 - 101.0 % |
Assay (GC, calc. on anhydrous substance) | 99.0 - 100.5 % |
Identity (IR-spectrum) | passes test |
Identity (GC) | passes test |
Identity (wet chemistry) | passes test |
Identity (Refractive index) | passes test |
Appearance | clear solution, not more intense in color than matching fluid A (1:10) and reference solution BY₆ |
Acidity | passes test |
Refractive index (n 20/D) | 1.440 - 1.446 |
Refractive index (n 25/D) | 1.439 - 1.441 |
Density (d 25/25) | 1.135 - 1.139 |
Density (d 20/20) | 1.135 - 1.145 |
Viscosity (20 °C) | 26 - 38 mPa∙s |
Sulfate (SO₄) | ≤ 150 ppm |
Heavy metals (as Pb) | ≤ 5 ppm |
As (Arsenic) | ≤ 2 ppm |
Cyclohexane (HS-GC) | ≤ 3880 ppm |
Ethanol (HS-GC) | ≤ 5000 ppm |
Other residual solvents (ICH (Q3C)) | excluded by manufacturing process |
Related substances (GC) (largest single impurity) | ≤ 0.2 % |
Related substances (GC) (Sum of all impurities) | ≤ 0.5 % |
Triethyl aconitate (GC) | ≤ 0.2 % |
Related substances (GC) | passes test |
Sulfated ash (600 °C) | ≤ 0.1 % |
Water (according to Karl Fischer) | ≤ 0.25 % |
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