Synonyms
Chromouschloride
IUPAC Name
copper;sulfate;pentahydrate;
Molecular Weight
249.69
Molecular Formula
CuSO4 · 5H2O
Canonical SMILES
O.O.O.O.O.[O-]S(=O)(=O)[O-].[Cu+2];
InChI
InChI=1S/Cu.H2O4S.5H2O/c;1-5(2,3)4;;;;;/h;(H2,1,2,3,4);5*1H2/q+2;;;;;;/p-2
InChI Key
JZCCFEFSEZPSOG-UHFFFAOYSA-L
Melting Point
297 ° F (dehydrates) (NTP, 1992);Decomp above 110 deg C;
Purity
≥99%
Density
2.284 (NTP, 1992);2.286 @ 15.6 deg C/4 deg C;2.3 g/cm³;
Solubility
greater than or equal to 100 mg/mL at 70° F (NTP, 1992);31.6 g/100 cc water @ 0 deg C, 203.3 g/100 cc @ 100 deg C;1 g in about 500 ml alcohol;In water: 148 g/kg @ 0 deg C; 230.5 gkg @ 25 deg C; 335 g/kg @ 50 deg C; 736 g/kg @ 100 deg C;Practically insol in most organic solvents.;1 g in 3 ml glycerine;15.6 g/100 cc methanol @ 18 deg C;Soluble in methanol (15.6 g/100 ml solution) but insoluble in ethanol; it readily forms soluble alkaline complexes at sufficiently high concentrations of amines or alkali cyanides.;In water, 3.2X10+4 mg/l @ 20 deg C PubMed Abstract;Solubility in water, g/100ml at 0 °C: 31.7;
Storage
Store at RT
Color Form
Large, blue or ultramarine, triclinic crystals or blue granules or light-blue powder;
Complexity
62.2
Corrosivity
Very corrosive to plain steel.;
Covalently-Bonded Unit Count
7
Decomposition
DECOMP ABOVE 150 DEG C (BOILING POINT) WITH -5H₂O /SPR: TO ANHYDROUS SALT/;DECOMP ABOVE 110 DEG C (MELTING POINT) WITH -4H₂O /SRP: TO MONOHYDRATE SALT/;When heated to decomposition it emits toxic fumes of /sulfur oxides/.;110 °C;
Exact Mass
248.934g/mol
H-Bond Acceptor
9
H-Bond Donor
5
Heavy Atom Count
11
ICSC Number
1416
MDL Number
MFCD00149681
Monoisotopic Mass
248.934g/mol
Odor
Odorless;
Other Experimental
Loses 2H₂O @ 30 deg C, 2 more H₂O @ 110 deg C; becomes anhydrous by 250 deg C; efflorescent in air.;LOSING WATER BY CRYSTALLIZATION @ 110 DEG C TO FORM WHITE MONOHYDRATE, CUSO4.H₂O;Dielectric constant: 6.60 @ room temperature;SOLN ARE STRONGLY CORROSIVE TO IRON & GALVANIZED IRON. /Cupric sulfate soln/;Slowly effloresces in dry air or above 30.6 deg C with the formation of the trihydrate; at 88-100 deg C the trihydrate is produced more quickly; above 114 deg C the monohydrate is formed, and between about 245 and 240 deg C, the anhydrous product copper(II) sulfate results.;
RTECS Number
GL8900000
Stability
INDEFINITE WHEN KEPT DRY; STABLE TO HEAT, COLD, & LIGHT.;
Topological Polar Surface Area
93.6A^2
UNII
LRX7AJ16DT
UN Number
3288
