What we supply
Calcium Nitrate Tetrahydrate, Industrial Grade
White crystalline solid, Ca(NO₃)₂·4H₂O. Packed in 50 kg woven bags with an inner liner. Other packing on request.
Calcium Nitrate Melt (liquid)
For plants that dose or blend in liquid form. Tell us your expected volume and destination in the form below and we will contact you with specifications and pricing as soon as it is ready.
Specifications
From our industrial-grade COA (batch HRSU/CNP/04/42/2025) and technical data sheet. Each shipment comes with its own COA.
| Product | Calcium Nitrate Tetrahydrate, Ca(NO₃)₂·4H₂O (MW 236.15) |
|---|---|
| CAS / EC number | 13477-34-4 / 233-332-1 |
| HS code | 28342990 |
| Appearance | Colourless to white crystals |
| Assay (as Ca(NO₃)₂·4H₂O) | 99–103% (titrimetric) — batch result 99.8% |
| Soluble calcium (Ca) | 16.4% min |
| Nitrate nitrogen (N) | 11.7% min |
| pH (5% solution, 25 °C) | 5.0 – 7.0 |
| Melting point | 42 – 44 °C |
| Density (typical) | approx. 1.86 g/cm³ |
| Water of crystallisation | approx. 30.5% (bound in the crystal, calculated; not free moisture) |
| Solubility in water | 121 g per 100 g water (typical) |
| Insoluble matter in water | 0.005% max |
| Nitrite (NO₂) | 0.001% max |
| Chloride (Cl) | 0.005% max |
| Sulphate (SO₄) | 0.005% max |
| Barium / Iron / Lead | 0.01% / 0.0005% / 0.001% max (ICP-OES) |
| Magnesium / Potassium / Sodium / Strontium | 0.05% / 0.005% / 0.02% / 0.05% max |
| Shelf life | 60 months, sealed, cool and dry |
| Transport classification | UN1454, Class 5.1 oxidizing solid, Packing Group III |
Technical Data Sheet (PDF) Safety Data Sheet (PDF) Sample Certificate of Analysis (PDF)
Where it is used
Concrete & construction
Chloride-free set accelerator and corrosion-inhibiting admixture component.
Wastewater
Hydrogen sulphide and odour control in sewers and effluent; denitrification support.
Mining & tailings
Tailings management, including dust stabilisation and heavy-metal control.
Oil & gas fluids
Calcium nitrate brines for completion and drilling fluids.
Process industries
Latex coagulation, metal surface treatment and heat-transfer formulations.
Ordering & shipping
| Order size | Container-scale supply (our TDS lists 10 MT minimum). Ask us about smaller trial quantities. |
|---|---|
| Terms | EXW, FOB Mundra, CIF or DDP, quoted per order |
| Payment | T/T or LC |
| Documents | COA, SDS, B/L, certificate of origin and export documents prepared in-house |
| Origin / port | Maksi, Madhya Pradesh, India · Mundra Port, Gujarat |