Copper(II) sulfate pentahydrate CAS#7758-99-8
Excellent Water Solubility – Readily dissolves in water and is also soluble in methanol and glycerol, making it suitable for a wide range of industrial and laboratory applications.
Stable Crystalline Form – Appears as odorless blue crystals with good stability under normal storage conditions.
Distinct Hydration Characteristics – Changes from blue to white upon dehydration, making it useful in processes involving moisture monitoring or controlled dehydration.
Versatile Chemical Processing – Its favorable solubility and stable physical properties make it a valuable raw material for various chemical, industrial, and research applications.
Products Description of Copper(II) Sulfate Pentahydrate CAS#7758-99-8
Copper(II) sulfate pentahydrate, also known as blue vitriol, is an odorless blue crystalline compound that dissolves readily in water. It is also soluble in methanol and glycerol, and slightly soluble in ethanol. The compound is non-combustible, highly toxic, has a metallic taste, and turns white upon dehydration.
Parameters
| Melting point | 110 °C (dec.)(lit.) |
| density | 2.284 |
| vapor pressure | 7.3 mm Hg ( 25 °C) |
| refractive index | 1.537 |
| storage temp. | Store at +5°C to +30°C. |
| solubility | 320 g/L (20°C) |
| form | Solid |
| color | fine blue crystals |
| Specific Gravity | 2.284 |
| Odor | blue cryst. or cryst. gran. or powd., odorless |
| PH | 3.5-4.5 (25℃, 50mg/mL in H2O) |
| Water Solubility | 320 g/L (20 ºC) |
| Merck | 142653 |
| Exposure limits | ACGIH: TWA 1 mg/m3 |
| NIOSH: IDLH 100 mg/m3; TWA 1 mg/m3 | |
| CAS DataBase Reference | 7758-99-8(CAS DataBase Reference) |
| EPA Substance Registry System | Copper sulfate pentahydrate (7758-99-8) |
| Hazard Codes | Xn,N,Xi |
| Risk Statements | 22-36/38-50/53-52/53-36-36/37/38-20/21/22-51/53 |
| Safety Statements | 22-60-61-26-36 |
| RIDADR | UN 3288 6.1/PG 3 |
| WGK Germany | 2 |
| RTECS | GL8900000 |
| TSCA | Yes |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 28332500 |
| Hazardous Substances Data | 7758-99-8(Hazardous Substances Data) |
| Toxicity | LD50 orally in rats: 960 mg/kg (Smyth) |
Product Application of Copper(II) Sulfate Pentahydrate CAS#7758-99-8
The anhydrous form is used to detect and remove trace amounts of water from alcohols and other organic compounds, and also serves as a fungicide.
Copper(II) sulfate pentahydrate is widely used as an agricultural fungicide, algicide, bactericide, and herbicide. It is also applied as a food and fertilizer additive, an ingredient in insecticide formulations, and a raw material for the production of other copper salts. In addition, it is used as a mordant in textile dyeing, in the manufacture of azo dyes, for hide preservation, leather tanning, and wood preservation.
