Glycerol BP
| Test | Specification |
| Characters | It occurs as syrupy liquid, unctuous to the touch, colourless or almost colourless, clear, very hygroscopic |
| Identification
Test (A) Test (B) Test (C) Test (D) |
(a) Refractive Index. (b) Infrared Absorption Spectrophotometry. (c) Specified test. (d)Specified test. The blue color does not diffuse into the lower layer. |
| Solubility | Miscible with water and with ethanol (96 per cent), slightly soluble in acetone, practically insoluble in fatty oils and in essential oils. |
| Appearance of solution | Solution is clear and colorless. |
| Acidity or alkalinity | Specified test. |
| Refractive Index | Between 1.470 to 1.475 |
| Aldehydes | Maximum 10ppm. |
| Esters | Specified test. |
| Impurity A and related substances
Impurity A Any other impurity with a retention time less than the retention time of glycerol Total of all impurities with retention times greater than the retention time of glycerol Disregard Limit |
Maximum 0.1% Maximum 0.1%
Maximum 0.5%
Maximum 0.05% |
| Halogenated Compounds | Maximum 35ppm. |
| Sugars | Specified test. The solution remains blue and no precipitate is formed. |
| Chlorides | Maximum 10ppm. |
| Heavy metals | Maximum 5ppm. |
| Water | Maximum 2.0% |
| Sulfated ash | Maximum 0.01% |
| Assay | Not less than 98.0% and not more than 101% for anhydrous substance. |
Shelf life, Storage and Packing
It should be stored in a segregated area in a cool and ventilated place away from combustible materials. Keep in a tightly closed container, sealed until ready for use. It is packed in 25kg or 50kg HDPE bags or drums as required.
Other
GLP, cGMP (FDA) Approved, ISO 9001, ISO 14001, ISO 45001, ISO 17025, ISO 22000, FSSC 22000, FSSAI, Halal and Kosher certified.
We observe WHO Good manufacturing practice and Good laboratory practice.
