Molekula
Calcium chloride hexahydrate
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Calcium chloride hexahydrate is an inorganic compound composed of calcium, chlorine, and water, widely used as a phase change material for thermal energy storage, as a de-icer, and in food processing as a firming agent (E509). It also functions in dust control, brine solutions, and as a moisture absorber in industrial applications. Manufacturers also use it in cement production, textile printing, dyeing and finishing, wood preservative treatments, and glue and adhesive formulations. This chemical has a CAS number of 7774-34-7, with the molecular formula CaCl₂·6H₂O and a molecular weight of 219.08 g/mol. Store it between 2–8°C and handle with caution, as it carries a signal word of "Warning." Molekula supplies calcium chloride hexahydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
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 crystal |
| Assay | ≥ 97.0% |
| Appearance of Solution | Passes test |
| Heavy Metals (Pb) | ≤ 15 mg/kg |
| Iron (Fe) | ≤ 7 mg/kg |
| Lead (Pb) | ≤ 2 mg/kg |
| Mercury (Hg) | ≤ 1 mg/kg |
| Arsenic (As) | ≤ 3 mg/kg |
| Calcium (Ca) | Flame test: Red/Orange flame |
| Barium (Ba) | ≤ 0.002% |
| Aluminium (Al) | Passes test |
| Sulphates (SO4)(2-) | ≤ 200 mg/kg |
| Chloride Identification | Silver Nitrate Test: |
| Fluoride (F-) | ≤ 40 mg/kg |
| Magnesium and alkaline earth metals | ≤ 0.30% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 90028969 |
| CAS Number | 7774-34-7 |
| IUPAC Name | calcium;dichloride;hexahydrate |
| Molecular Formula | CaCl2 · 6H2O |
| Molecular Weight | 219.08 |
| Exact Mass | 217.9637 |
| SMILES | O.O.O.O.O.O.[Cl-].[Cl-].[Ca+2] |
| InChIKey | QHFQAJHNDKBRBO-UHFFFAOYSA-L |
| InChI | InChI=1S/Ca.2ClH.6H2O/h;2*1H;6*1H2/q+2;;;;;;;;/p-2 |
| PubChem CID | 6093252 |
| REACH Code | Y110 |
| HTS Code | 28272000 |
| Tariff Code | 2827200000 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Portuguese, Spanish.
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.
Synonyms
- Antarcticite
- CaCl2.6H2O
- CaCl2H12O6
- Calcium chloride (CaCl2), hexahydrate
- CALCIUM CHLORIDE HEXAHYDRATE (EP MONOGRAPH)
- CalciuM chloride hexahydrate, extra pure 1KG
- Calcium chloride--water (1/2/6)
- calcium chloride--water (1/6)
- Calcium dichloride hexahydrate
- Calsium dichloride hexahydrate
Frequently asked questions
What is calcium chloride hexahydrate commonly used for?
Calcium chloride hexahydrate is widely used as a phase change material for thermal energy storage, as a de-icer, and in food processing (e.g., firming agent in canned vegetables), as well as in pharmaceuticals and industrial applications like dust control.
What is the chemical formula and molecular weight of calcium chloride hexahydrate?
The chemical formula is CaCl₂·6H₂O, and the molecular weight is 219.08 g/mol.
How should calcium chloride hexahydrate be stored?
Store at 2–8°C in a tightly sealed, moisture-resistant container to prevent deliquescence and contamination.
What grades of calcium chloride hexahydrate does Molekula supply?
Molekula supplies pharmaceutical (EP/USP) and analytical (ACS) grades of calcium chloride hexahydrate, depending on your application requirements.
Can Molekula supply calcium chloride hexahydrate in bulk quantities?
Yes, we offer bulk packaging options (e.g., 25 kg drums, 1-ton totes) for industrial and large-scale applications—please contact us for pricing and availability.
What documentation is provided with an order of calcium chloride hexahydrate?
Each order includes a Certificate of Analysis (CoA), Safety Data Sheet (SDS), and batch-specific documentation to ensure compliance with regulatory standards.
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.