Copper (II) Sulphate Pentahydrate 98%


Copper (II) sulphate, also known as cupric sulphate, is the chemical compound with the chemical formula CuSO4. This salt exists as a series of compounds that differ in their degree of hydration. Copper (II) sulphate exothermically dissolves in water to give the aquo complex [Cu(H2O)6]2+, which has octahedral molecular geometry and is paramagnetic. Other names for copper (II) sulphate are “blue vitriol” and “bluestone”.

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Minimum Assay: <98%
Molecular Formula: CuO4S.5H2O
Molecular Weight: 249.68 g/mol
Solubility in Water (% weight): 31.6 g/100cc H20 @ 00 C
Melting Point: 110°C
Boiling Point: >150°C
Chloride (Cl): <0.001%
Iron (Fe): <0.008%
Sodium (Na): <0.01%
Potassium (K): <0.0018%

Hazard Class: 9

Packing Group: 3

Hazard Phrases: Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. Very toxic to aquatic life with long lasting effects.

Prec Phrases: Avoid release to the environment. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Dispose of contents/container.


Cas No: 7758-99-8
Einecs No: 231-847-6

HS CODE: 2833250000


Following the UK’s departure from the EU on 1 January 2021, all European shipments are sent on a DAP Basis (Delivered at Place).

This means that the buyer will be liable for import VAT at their prevailing national rate and for orders over 150€ (including carriage) import duties will become chargeable at your prevailing national rate.

The Duty is ascertained by your national customs authority based on the HS Code of each product. The HS Code is shown in the “European Shipment” section of each product page.


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