Copper Sulphate Pentahydrate

Specification of Copper Sulphate Pentahydrate

selling Copper Sulphate Pentahydrate

Character: This is a dark blue triclinic crystal or blue crystalline powder or granule. Smells like bad metal. Slowly descending in the dry air. Very soluble in water and the solution is acidic. The PH value of the 0.1 mol / L water solution is 4.17 (15 ℃). It is very soluble in glycerol. It dissolves in dilute ethanol but does not dissolve in pure ethanol. Usage: It is used as a nutritional supplement, antimicrobial agent, firming agent and processing aid. Packing: This is packed with plastic bags as an inner layer, and plastic woven compound bags as an outer layer. The net weight of each bag is 25kg. Storage and Transportation: These must be stored in a dry and ventilated warehouse, kept away from water and moisture during transport, carefully disassembled so as not to damage the bag. In addition, it must be stored separately from toxic substances.

Its nature, among others

Chemical formula

CuSO4

Molar mass

159.62 g / mol (anhydrous)

249.70 g / mol (pentahydrate)

Appearance

blue (pentahydrate)

white gray (anhydrous)

Density

3,603 g / cm3 (anhydrous)

2,284 g / cm3 (pentahydrate)

Melting point

110 ° C (· 4H2O)

150 ° C (423 K) (· 5H2O)

<650 ° C decomp.

Solubility in water

pentahydrate

316 g / L (0 ° C)

2033 g / L (100 ° C)

unspecified form

320 g / L (20 ° C)

618 g / L (60 ° C)

1140 g / L (100 ° C)

Solubility

anhydrous

incompatible with ethanol

pentahydrate

mixed in methanol

10.4 g / L (18 ° C)

incompatible in ethanol

Refractive Index (nD)

1,514 (pentahydrate)

Crystal structure

Orthorhombic (chalcocyanite), Pnma space group, oP24, a = 0.839 nm, b = 0.669 nm, c = 0.483 nm [1]

Triclinic (pentahydrate), space group P1, aP22, a = 0.5986 nm, b = 0.6141 nm, c = 1.0736 nm, α = 77.333 °, β = 82.267 °, γ = 72.567 ° [2]

Standard Molar Entropy (SO)

109.05 J K − 1 mol − 1

EU Classification (DSD)

Toxic (Xn)

Irritation (xi)

Dangerous for the environment (N)

R-Phrases

R22, R36 / 38, R50 / 53

S-phrase

S2, S22, S60, S61

Copper (II) sulfate, also known as cupri sulfate, is a chemical compound with the molecular formula CuSO4. These salt compounds exist on earth with different levels of hydration. The anhydrous form is a pale green or white gray powder, while the pentahydrate (CuSO4 · 5H2O), is bright blue.

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