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.
Noted:
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