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Copper Sulphate

Copper Sulphate

Copper sulfate, also known as blue vitriol, has the chemical formula CuSO4. It is a white powder without water, and it is a blue powder with water, or it is light gray green due to impurity. It is a soluble copper salt.
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Description

English namecopper(II) sulfate pentahydrate
CAS number7758-99-8
Fusing point110 °C (dec.)(lit.)
density2.284
Vapor pressure7.3 mm Hg ( 25 °C)
Storage conditionStore at +5°C to +30°C.
solubility320 g/L (20°C)
Odor3.5-4.5 (25℃, 50mg/mL in H2O)
ph value3.5-4.5 (25℃, 50mg/mL in H2O)

overview

Copper sulfate pentahydrate (chemical formula: CuSO4 5H2O) is blue alum, bile alum, blue triclinic crystal, easy to weather in dry air, lose 4 molecules of crystal water when heated to 190°C, and become anhydrous salt at 258°C. poisonous. Soluble in water, insoluble in ethanol. It can be used as a pesticide, harmful if swallowed, irritating to eyes and skin, and can have long-term adverse effects on the water environment.


toxicity

Copper and its salts are toxic. Irritating to skin, dust irritating to eyes. Therefore, the maximum allowable concentration of metal copper in the working environment is 1mg/m3, and the average per shift is 0.5mg/m3. When there are aerosols of copper (Cu) and its compounds in the air, the staff should wear masks to prevent inhalation. Wear protective goggles. Wear dustproof overalls. Take a lukewarm shower after work.

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