Molekula
Calcium nitrate tetrahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Calcium nitrate tetrahydrate is a water-soluble inorganic compound used in fertilizers, concrete accelerators, and laboratory reagents. It appears as colorless to white crystals and is highly hygroscopic. CAS: 13477-34-4, molecular formula: Ca(NO3)2 · 4H2O, molecular weight: 236.15 g/mol. Store at ambient temperature. Signal word: Danger.
Molekula supplies Calcium nitrate tetrahydrate at ≥98.0% purity in 1 kg packs, from £85.56 inc. VAT. It is in stock for same-day dispatch. Every batch ships with a certificate of analysis, and safety data sheets are available in 8 languages. Larger quantities, up to multi-tonne, are quoted on request.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
In stock — same-day dispatch
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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1 kg — £71.30 per pack ex VAT · £85.56 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White - beige crystals |
| Chloride (Cl-) | ≤50ppm |
| Assay | ≥98.0% |
| Sodium (Na) | ≤100ppm |
| Sulphates (SO4)(2-) | ≤50ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 43 °C |
Source: PubChem CID 16211656 (PAC Chemical Database)
Identification
| Property | Value |
|---|---|
| SKU | 48565588 |
| CAS Number | 13477-34-4 |
| IUPAC Name | calcium;dinitrate;tetrahydrate |
| EC Number | 603-865-8 |
| Molecular Formula | Ca(NO3)2 · 4H2O |
| Molecular Weight | 236.15 |
| Exact Mass | 235.9805 |
| SMILES | [N+](=O)([O-])[O-].[N+](=O)([O-])[O-].O.O.O.O.[Ca+2] |
| InChIKey | ICSSIKVYVJQJND-UHFFFAOYSA-N |
| InChI | InChI=1S/Ca.2NO3.4H2O/c;2*2-1(3)4;;;;/h;;;4*1H2/q+2;2*-1;;;; |
| PubChem CID | 16211656 |
| REACH Code | Y110 |
| HTS Code | 2834.29.5100 |
| Tariff Code | 2834298000 |
Safety & GHS
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Corrosive
GHS05
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H318 Causes serious eye damage
- H412 Harmful to aquatic life with long lasting effects
Precautionary statements
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+P330+P331 IF SWALLOWED: Rinse mouth. Do NOT induce vomiting
- P304+P340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+P351+P338 IF IN EYES: Rinse continuously with water for several minutes. Remove contact lenses if present and easy to do, continue rinsing
Documents
Safety Data Sheets (SDS)
Available in English, German, Spanish, French, Italian, Portuguese, Arabic, Dutch.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
Synonyms
- Ca(NO3)2.4H2O
- CaH8N2O10
- Calcium (II) nitrate, hydrous
- Calcium dinitrate tetrahydrate
- Calcium nitrate--water (1/2/4)
- calcium nitrate--water (1/4)
- Calcium(II) nitrate tetrahydrate
- CALCIUM(II) NITRATE, TETRAHYDRATE (1:2:4)
- Dusicnan vapenaty
- Nitric acid, calcium salt, tetrahydrate
Frequently asked questions
What is calcium nitrate tetrahydrate used for?
It is primarily used as a source of nitrogen and calcium in agricultural fertilizers and in the production of other calcium compounds.
What is the chemical formula and molecular weight?
The formula is Ca(NO3)2 · 4H2O with a molecular weight of 236.15 g/mol.
How should calcium nitrate tetrahydrate be stored?
It should be stored at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade is available?
Molekula supplies calcium nitrate tetrahydrate with an assay of ≥98.0%, with impurity limits of ≤50 ppm chloride, ≤50 ppm sulphates and ≤100 ppm sodium.
Can Molekula supply it in bulk?
Yes, Molekula can supply calcium nitrate tetrahydrate in bulk quantities; please contact sales for details.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) upon request.
Where can I buy Calcium nitrate tetrahydrate?
Directly from Molekula, which lists Calcium nitrate tetrahydrate in 1 kg packs from £85.56 inc. VAT, with a certificate of analysis for every batch. Larger quantities are quoted on request. Molekula's offices: United Kingdom, France, Spain, Germany, Italy, United States and China.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.