Copper hydroxide , CP,94% , 20427-59-2

Synonym(s):
Cupric hydroxide

CAS NO.：20427-59-2

Empirical Formula: CuH2O2

Molecular Weight: 97.56

MDL number: MFCD00010968

EINECS: 243-815-9

PRODUCT Properties

• Density: 3.4
• vapor pressure: 0Pa at 25℃
• storage temp.: Inert atmosphere,2-8°C
• solubility: H2O: insoluble(lit.)
• form: Powder
• color: Blue
• PH: 7.69(1 mM solution);7.69(10 mM solution);7.69(100 mM solution)
• Water Solubility: Slightly soluble in waterSoluble in acids, ammonium hydroxide, dilute hydrochloric acid, concentrated alkali and potassium cyanide. Insoluble in water, ethanol, and acetone.
• Sensitive: Hygroscopic
• Merck: 14,2642
• Solubility Product Constant (Ksp): pKsp: 19.66
• Exposure limits: ACGIH: TWA 1 mg/m3; NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3
• Stability: Stable, but hygroscopic. Store in dry conditions.

Description and Uses

In manufacture of rayon, battery electrodes, other Cu salts; as mordant in dyeing; as pigment; in fungicides, insecticides; as feed additive; in treating and staining paper; in preparation of Schweitzer's reagent; in catalysts.

Safety

• Symbol(GHS): GHS05,GHS06,GHS09
• Signal word: Danger
• Hazard statements: H302-H318-H330-H410
• Precautionary statements: P260-P273-P280-P301+P312-P304+P340+P310-P305+P351+P338
• Hazard Codes: Xn,N,T
• Risk Statements: 22-37/38-41-50/53-23
• Safety Statements: 26-36-39
• RIDADR: 3262
• WGK Germany: 3
• RTECS: GL7600000
• TSCA: Yes
• HS Code: 28255000