| Customization: | Available |
|---|---|
| CAS No.: | 77-93-0 |
| Formula: | C12h20o7 |
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| Test Items | Specifications | Results |
| Appearance | Clear,viscous,colourless or almost colourless, hygroscopic liquid. The substance to be examined is clear |
Conforms |
| Solubility | Soluble in water, miscible with ethanol (96 per cent), slightly soluble in fatty oils. | Conforms |
| Identification | A.Refractive index | Conforms |
| B.Infrared absorption spectrophotometry | Conforms | |
| C.It gives the reaction of esters | Conforms | |
| D.2 mL of the solution gives the reaction of citrates | Conforms | |
| Acidity | Not more than 0.3 mL of 0.1 M | 0.25ml |
| Refractive index | 1.440 to 1.446 | 1.4405 |
| Related substances | Any impurity: for each impurity, maximum 0.2 per cent Total: maximum 0.5 per cent |
Any impurity:0.17% Total:0.28% |
| Water | maximum 0.25 per cent | 0.07% |
| Sulfated ash | maximum 0.1 per cent | 0.07% |
| Assay | 98.5%-101.0% on the anhydrous basis | 99.7% |
| Inspection of microbial limit | Total number of aerobic bacteria: ≤100cfu/ml | <10cfu/ml |
| Yeasts Moulds: ≤100cfu/ml | <10cfu/ml | |
| Escherichia coli: | Not detected | |
| Pseudomonas aeruginosa | Not detected | |
| Salmonella | Not detected | |
| Staphvlococcus aureus | Not detected |
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