Copper sulfate pentahydrate
【Another name】Blue vitriol. Bluestone; Crystalline copper sulfate.
【Description】Blue transparent crystal, weathered in dry air, relative density 2.29, heated to 30℃ becomes trihydrate salt, 190℃ becomes monohydrate salt, to 258℃ becomes white powder anhydrous salt. Soluble in water, methanol, glycerin, slightly soluble in ethanol, aqueous solution is acidic. Harmful to ingestion and irritating to respiratory system and skin.
| Test item | AR | CP | Other |
| Assay(CuSO4•5H2O) /% | ≥99.0 | ≥99.0 | Custom |
| Water insoluble /% | ≤0.005 | ≤0.01 | |
| Chloride(Cl) /% | ≤0.001 | ≤0.002 | |
| Total nitrogen(N) /% | ≤0.001 | ≤0.003 | |
| Sodium(Na) /% | ≤0.005 | ≤0.015 | |
| Potassium(K) /% | ≤0.001 | ≤0.004 | |
| Iron(Fe) /% | ≤0.003 | ≤0.02 | |
| Nickel(Ni) /% | ≤0.005 | ≤0.015 | |
| Zinc(Zn) /% | ≤0.03 | ≤0.06 |
【Use】Used as analytical reagent, sugar precipitation; Make fixed nitrogen catalyst; Organic synthetic raw materials; Used for the determination of glycosides containing sulfur and amino acids by TLC; Used as a mordant and preservative; Used in copper salt synthesis, battery manufacturing, etc.