C3H8O3
Glycerol anhydrous Meets ACS/EP/BP/USP spec.
Product specificities
| Identification A (USP) | Complying |
| Identification B (USP) | Complying |
| Identification C (USP) | Complying |
| Identification A (BP) | Complying |
| Identification B (BP) | Complying |
| Clear colorless liquid | Complying |
| Spec. gravity/Rel. density (at 25°) | >= 1.259 |
| Solution S (100g/200ml) Clear | Complying |
| Appearance of solution | Complying |
| Acidity or Alkalinity | Complying |
| Sugars | Complying |
| Chloride (Cl) | <= 0.001% |
| Heavy metals (as Pb) | <= 0.0005% |
| Sulfate (SO4) | <= 0.002% |
| Refractive index (20/D) | 1.470-1.475 |
| Assay (T) | 99.0-101.0%w/w |
| Organic volatile impurities | Meets the requirements |
| Water (KF) | <= 2.0%w/w |
| Aldehydes | Complying |
| Purity (GC on anhydrous basis) | >= 99.0% |
| Diethylene glycol | <= 0.1%w/w |
| Ethylene glycol | <= 0.1%w/w |
| Any impurity R(t)<main peak | <= 0.1%w/w |
| Total impurities R(t)>main peak | <= 0.5%w/w |
| Any impurity | <= 0.1%w/w |
| Total impurities | <= 1.0%w/w |
| Sulphated ash | <= 0.01% |
| Fatty acids and esters | Complying |
| Chlorinated compounds | <= 0.003% |
| Halogenated compounds | <= 0.0035% |
| Esthers | Complying |
| Color (APHA Pt-Co) | <= 20 |
