HomeCupric salts
Cuprous Oxide
Product name: Cuprous Oxide
Other name: Copper(I) Oxide
CAS No.: 1317-39-1
Cu2O
Molecular Weight: 143.09
Characters: Red powder. Specific wt.: 6.00,m.p.: 12350C,b.p.: 18000C. Can be easily oxidized in humid air, soluble in acids and ammonia water, ammonium chloride, insoluble in water and alcohols. Will be slowly oxidized into cupric oxide in humid air; stable in dry air; toxic.
Specifications:
| Cuprous oxide | LR | Best technical grade | Technical first grade | Agricultural grade |
| Item | Spec. | Spec. | Spec. | Spec. |
| Cuprous oxide(Cu2O)% | ≥98 | ≥97 | ≥96 | ≥95 |
| Copper content(Cu)% | -- | ≤1.0 | ≤2.0?/DIV> | ≤2.5 |
| Total percent reduction(asCu2O)% | -- | ≥98 | ≥97 | ≥96 |
| Total copper(Cu)% | -- | ≥87 | ≥86 | ≥86 |
| Chlorides(Cl) % | ≤0.2 | ≤0.2 | ≤0.5 | -- |
| Sulphates(SO4)% | ≤0.02 | ≤0.1 | ≤0.5 | -- |
| Water% | ≤0.2 | ≤0.5 | ≤0.5 | ≤0.5 |
| Sol. in acetone % | -- | ≤0.5 | ≤0.5 | -- |
| Stability test | -- | ≤2.0 | ≤2.5?/DIV> | ≤2.5 |
| Fineness(45um sieve residue) % | -- | ≤0.3 | ≤0.5 | -- |
| 100-mesh sieve residue≤0.5 | -- | -- | -- | ≤0.5 |
| Insol. in nitric acid 75um sieve residue% | -- | ≤0.1 | -- | -- |
| Fe% | ≤0.05 | ≤0.05 | ≤0.05 | -- |
| As% | ≤0.002 | ≤0.02 | ≤0.02 | ≤0.025 |
| Moisture% | -- | ≤0.5 | ≤0.5 | -- |
| Non-precipitate in sulfureted hydrogen % | ≤1 | -- | -- |
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Product Usage: It is used for ship bottom anti-fouling paint, bactericides, ceramic colorant, glass staining agent, and analytical reagent etc.
Packaging: In 25Kg composite paper bag lined with plastic bag, closed tightly.
Storage Precautions: Stored in dry and draughty warehouse; no mixing with oxidants; containers should be sealed tightly to prevent air; kept away from strong acids, alkali and food; fight fire with water.
