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CAS No.: 20427-59-2
Cu(OH)2
Molecular Weight: 97.56
Characters: Blue or bluish green gelatin or light blue crystalline powder, relative density: 3.368. soluble in acids, ammonia water and alkali metal cyanides, carbonates, acidic carbonates solution, insoluble in water, will turn darker when heated at 60-80℃, and will be decomposed into black cupric oxide and water at higher temperature.
Specifications:
| Cupric Hydroxide | Chemical pure | High-purity grade | Stable pesticide grade | Technical 1st grade | Technical 2nd grade |
| Assay % | ≥98 | ≥98 | ≥95 | ≥96.5 | ≥95.0 |
| Copper content % | ≥64 | ≥64 | ≥62 | ≥63 | ≥62 |
| Cd% | ≤0.001 | ≤0.001 | ≤0.0005 | ≤0.0005 | ≤0.0005 |
| As% | ≤0.003 | ≤0.005 | ≤0.01 | ≤0.01 | ≤0.01 |
| Pb% | ≤0.003 | ≤0.005 | ≤0.027 | ≤0.02 | ≤0.03 |
| Insol. in HCl % | ≤0.2 | ≤0.2 | — | ≤0.2 | — |
| Fe% | ≤0.1 | ≤0.1 | — | ≤0.1 | — |
| Mg% | ≤0.5 | ≤0.5 | — | ≤0.5 | — |
| Ca% | ≤0.5 | ≤0.5 | — | ≤0.8 | — |
| pH-value(10 %) | — | — | 6.5-7.5 | 6.5-7.5 | 6.5-7.5 |
| Hg% | — | — | ≤0.0005 | ≤0.0005 | ≤0.0005 |
| Heating loss (105℃) % | — | — | ≤5.0 | — | — |
Product Usage: It is used for cupric salts, medicines, feed additives, bactericides and as analytical reagent, as catalyst, dye mordant, pigment, paper staining agent etc.
Packaging: In 25kg kraft paper bag lined with double-layer plastic bag or upon clients' requests
Storage Precautions: Stored in draughty and dry warehouse. Packing bag must be tied tightly to prevent dampness
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