Cobalt Nickel Supplier--Yihua Chemical Co., Ltd

Cobalt,nickel,copper salt suppliers---Yihua Chemical Co., Ltd

COBALT NICKEL PRODUCTS

Cuprous Oxide

Name: Cuprous oxide
Synonyms: Copper(I) oxide
CAS No.: 1317-39-1
Formula: Cu₂O
M.W.: 143.09
Properties: Red powder. Specific Wt.: 6.00 m.p.: 12350C B.P.: 18000C. Cuprous oxide 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:

Item	Technical specification
Item	Cuprous oxide 97% min	Cuprous oxide 96% min	Cuprous oxide 95% min
Cuprous oxide(Cu₂O)%	≥97	≥96	≥95
Copper content(Cu)%	≤1.0	≤2.0	≤2.5
Total percent reduction(asCu₂O)%	≥98	≥97	≥96
Total copper(Cu)%	≥87	≥86	≥86
Chlorides(Cl) %	≤0.2	≤0.5	——
Sulphates(SO₄)%	≤0.1	≤0.5	——
Water%	≤0.5	≤0.5	≤0.5
Sol. in acetone %	≤0.5	≤0.5	——
Stability test	≤2.0	≤2.5	≤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	——
As%	≤0.02	≤0.02	≤0.025
Moisture%	≤0.5	≤0.5	——

Application: Copper(I) oxide is used for ship bottom anti-fouling paint, bactericides, ceramic colorant, glass staining agent, and analytical reagent etc.
Packing: In 25Kg composite paper bag lined with plastic bag, closed tightly.
Storage: 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.