Customization: | Available |
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CAS No.: | 56-81-5 |
Type: | Pharmaceutical Intermediates |
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Name | Glycerol |
Cas No. | 56-81-5 |
Net Weight | 25kg/drum |
Batch No. | 011-230914D |
SI. NO. | Items | CP2020 | USP2023 | EP10.0 |
1 | Assay | ≥98.0% | 99.0%~101.0% | 98.0%~ 101.0 % |
2 | Identification(IR) | The IR spectrum conforms to that of reference spectrum | The IR spectrum conforms to that of Reference Standard | The IR spectrum conforms to that of Reference Standard |
3 | Specific gravity | 1.258~1.268 | ≥ 1.249 | -- |
4 | Refractive index | 1.470~1.475 | -- | 1.470~1.475 |
5 | Retention time of glycerol peak | -- | Conforms | -- |
6 | Appearance of solution | -- | -- | The solution is clear and colorless. |
7 | pH | 5.4~6.0 | 5.4~6.0 | Conforms |
8 | Water | ≤ 2.0% | ≤ 5.0% | ≤2.0% |
9 | Residue on ignition | ≤ 2mg | ≤ 0.01% | ≤ 0.01% |
10 | Chloride | ≤ 0.001% | -- | ≤10 ppm |
11 | Chlorinated compounds | -- | ≤ 30ppm | -- |
12 | Sulfate | ≤ 0.002% | ≤ 20ppm | -- |
13 | Sugars | Conforms | -- | Conforms |
14 | Fatty acids and esters | ≤4.0ml | ≤ 1ml | Conforms |
15 | Acrolein & Ammonium | Conforms | -- | -- |
16 | Readily carbonizable substance | Conforms | -- | -- |
17 | Aldehydes | -- | -- | ≤10 ppm |
18 | Halogenated compounds | -- | -- | ≤35 ppm |
19 | Iron | ≤0.001% | -- | ≤10 ppm |
20 | Calcium | Conforms | -- | ≤0.02% |
21 | Heavy metals | ≤2 ppm | ≤5 ppm | -- |
22 | Arsenic | ≤0.00003% | -- | -- |
23 | Diethylene glycol | ≤ 0.025% | ≤ 0.10% | -- |
24 | Ethylene glycol | ≤ 0.025% | ≤ 0.10% | -- |
25 | 1,2-propylene glycol | ≤ 0.1% | -- | -- |
26 | Related Compounds | Individual impurity ≤ 0.1% Total impurities ≤ 1.0% |
Individual impurity ≤ 0.1% Total impurities ≤ 1.0% |
Impurity A ≤ 0.1% Other impurities ≤ 0.1% Total impurities ≤ 0.5% |