Water - soluble (dilute alcohol and hydrochloric acid too) light blue or cyan crystals eroding in air.

Formula: CuSO₄ * 5Н₂О

Molecular mass: 249.67

Chemical composition of copper sulphate, "pure":

Fraction of total mass, %
CuSO4 *5Н2О, not less	Impurity, not more, %
	Cl	N	Ni	Fe	water insoluble residue, %, no more	matters non-precipitable by H2S
98,5	0,0050	0,008	-	0,020	0,008	0,20

Reagent is packed and marked according to GOST 3885-73.
Packing is a polypropylene bag with a polyethylene insert.

Bag weight does not exceed 50 ±0.5 kgs.

The bags are stacked on a wooden pallet and are strapped with a few layers of polyethylene film.
The 1-kg packing is available by order.

The material remains deposited in covered storage rooms.
Its storage warranty period is two years from the date of manufacture, provided that the product is transported and stored properly.