William Blythe supplies calcium nitrate optimised for a range of applications. Our calcium nitrate tetrahydrate is ideal for the curing of natural latex in the manufacture of high performance rubber products such as medical gloves and as a source of calcium and nitrogen in horticulture. Our calcium nitrate solutions are invaluable additives in the construction industry, where they are used as accelerants in concrete formulations. The calcium ion accelerates precipitation and setting while the nitrate ion aids formation of a protective layer that reduces corrosion of the concrete reinforcement.

Chemical name Calcium Nitrate Tetrahydrate Chemical formula Ca(NO3)2 * 4 H2O
Molecular weight 236.15 C.A.S. number 13477-34-4


William Blythe’s calcium nitrate is ideal for use in applications such as:

Chemical Catalysts

  • Curing agent for the coagulation of rubber latex in high performance rubber products, for example medical gloves.

Process Chemicals

  • Accelerating agent for concrete formulations.

Product forms

William Blythe’s calcium nitrate is available as a solution in up to 50 w% concentration or as flakes (2-5 mm) in the tetrahydrate form.

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Contact us today for more information on any aspect of William Blythe.

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