Glycerol 85% for Analysis Emsure. Ph Eur 500gr
for analysis EMSURE® Reag. Ph Eur
Manufacturer: Merck
Catalog ID: 104094.0500
Stock: In Stock
Description
| Catalogue Number | 104094 |
| Synonyms | Glycerin, 1,2,3-Propanetriol, Trihydroxylpropane, Protol |
| Overview | EMSURE® grade solvents are suitable for a broad spectrum of classical lab applications, and are frequently used in regulated and highly demanding lab applications. EMSURE® provides worldwide best and most extensive product specifications. We declare our EMSURE® range to be in compliance with the ACS, with the reagent part of the European Pharmacopoeia (Reag. Ph Eur) and also with the ISO standards. |
Product Information
| Grade | Reag. Ph Eur |
| HS Code | 2905 45 00 |
Physicochemical Information
| Boiling point | >130 °C (1013 hPa) |
| Density | 1.23 g/cm3 (20 °C) |
| Flash point | 199 °C |
| Ignition temperature | 429 °C |
| Melting Point | -10 °C |
| pH value | 5 (100 g/l, H₂O, 20 °C) |
| Vapor pressure | 8 hPa (20 °C) |
Storage and Shipping Information
| Storage | Store at +5°C to +30°C. |
Specifications
| Assay (GC; calc. on hydrous substance) | 84.5 - 85.5 % |
| Assay (alkalimetric after oxidation) | 83.5 - 88.5 % |
| Identity | passes test |
| Appearance of solution | passes test |
| Acidity or alkalinity | passes test |
| Free alkali (as NH₃) | ≤ 0.0005 % |
| Free acid (as CH₃COOH) | ≤ 0.002 % |
| Refractive index (n 20/D) | 1.449 - 1.455 |
| Density (d 20/4) | 1.218 - 1.225 g/cm³ |
| Chloride (Cl) | ≤ 0.0001 % |
| Sulphate (SO₄) | ≤ 0.0005 % |
| Heavy metals (as Pb) | ≤ 0.0001 % |
| halogenated compounds (as Cl) | ≤ 0.0030 % |
| Aldehydes | ≤ 10 ppm |
| Fe (Iron) | ≤ 0.0001 % |
| NH₄ (Ammonium) | ≤ 0.0005 % |
| Fatty Esters (as glycerintributyrate) | ≤ 0.05 % |
| Esters | passes test |
| Readily carbonizable substances | passes test |
| Diethylene glycol and related Substances (impurity A) | ≤ 0.1 % |
| Diethylene glycol and related Substances (any further impurity) | ≤ 0.1 % |
| Diethylene glycol and related Substances (Sum of all impurities) | ≤ 0.5 % |
| Sugar | passes test |
| Sulfated ash | ≤ 0.005 % |
| Water | 14.5 - 15.5 % |
