Product name ： Cupric Oxide
Product Category：High-purity chemicals & electronic chemicals/Cupric salts;
CAS No.： 1317-38-0
Formula:CuO
MW:79.55
Characters:Black or brownish black amorphous crystalline powder,monoclinic crystal, specific wt.: 6.315,m.p.: 14460C, insoluble in water and ethanol, soluble in diluted acid, ammonia water, ammonium chloride, sodium hydroxide and potassuim cyanide.
Specifications:

Cupric Oxide	A.P.	C.P.	Technical first grade	Technical second grade
Item	Spec.	Spec.	Spec.	Spec.
Assay(CuO) %	≥99.0	≥98.0	≥98.0	≥97.0
Insol. in Hcl %	≤0.02	≤0.05	≤0.2	≤0.2
Chlorides（Cl）%	≤0.003	≤0.005	≤0.10	≤0.10
Sulfur compound（SO4）%	≤0.01	≤0.05	≤0.10	≤0.10
Nitrogen compound(N) %	≤0.002	≤0.005	——	——
Carbon compound	≤0.025	≤0.10	——	——
Fe%	≤0.01	≤0.04	——	——
Cuprous oxide（Cu2O）%	≤0.05	≤0.10	——	——
Non-precipitate in sulfureted hydrogen %	≤0.2	≤0.5	——	——
Water insoluble%	——	——	≤0.10	≤0.10
Fineness(100-mesh sieve residue) %	——	——	≤2	≤5
Cupric Oxide	Export AR grade	Electro-plating Cupric Oxide	Electronic grade	Air bag grade
Item	Spec.	Spec.	Spec.	Spec.
Assay(CuO) %	≥98.0	≥98.5	≥98	≥98
Insol. in Hcl %	≤0.02	≤0.01	≤0.10	≤0.2
Chlorides(Cl) %	≤0.005	≤0.06	≤0.08	Moisture≤0.3
Sulfur compound（SO4）%	≤0.02	≤0.01	≤0.08	PH5.5-7.5
Zn%	——	≤0.02	——	——
Pb%	≤0.02	≤0.01	≤0.010	——
Fe%	≤0.05	≤0.05	——	——
Cd%	——	——	≤0.0005	——
Hg%	——	——	≤0.0002	——
C%	≤0.05	——	——	——
N%	≤0.005	——	——	——
As%	≤0.0002	——	——	——
Ca%	≤0.02	——	——	——
Cuprous oxide（Cu2O）%	≤0.05	——	——	≤0.2
K%	≤0.02	——	——	——
Na%	≤0.02	——	——	——
Sexavalence Cr %	——	——	≤0.0002	——
Water insoluble%	≤0.05	≤0.10	≤0.10	D501.5
Fineness(125-mesh sieve residue) %	——	≤0.1	325-mesh sieve residue≤0.3	100 meshes ≤2

Product Usage: It is used for firework, bactericides, glass, artificial rain materials, ceramics, catalyst, rayon etc.
Packaging:In 25Kg/woven bag lined with double-layer plastic bag or iron drum, closed tightly.
Storage Precautions:stored in dry and draughty warehouse, prevent dampness; isolated from strong acids or food; fight fire with water.
MSDS: Download