Molekula
Calcium chloride dihydrate
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 dihydrate is an inorganic compound composed of calcium, chlorine, and two water molecules, widely used as a desiccant, de-icer, and in food processing as a firming agent (E509). It is also employed in dust control, brine solutions, and industrial applications requiring humidity control. This chemical has a CAS number of 10035-04-8, a molecular formula of CaCl₂·2H₂O, and a molecular weight of 147.01 g/mol. It is stored at ambient conditions and carries a signal word of *Warning* for safety classification. Molekula supplies calcium chloride dihydrate 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.
Often bought together
Pricing & pack sizes
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 — £61.80 per pack ex VAT · £74.16 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 powder |
| Assay/Purity | 97 - 103% |
| Heavy metals | <10ppm |
| Identification | Conforms to reference |
| Solubility | Totally dissolves |
| Appearance of Solution | Colourless liquid |
| Acidity / Alkalinity | Neutral or weak acid |
| Magnesium & Alkali Metals | <5mg/kg |
| Sulphates (SO4)(2-) | <0.02% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 29778875 |
| CAS Number | 10035-04-8 |
| IUPAC Name | calcium;dichloride;dihydrate |
| Molecular Formula | CaCl2·2H2O |
| Molecular Weight | 147.01 |
| Exact Mass | 145.9214 |
| SMILES | O.O.[Cl-].[Cl-].[Ca+2] |
| InChIKey | LLSDKQJKOVVTOJ-UHFFFAOYSA-L |
| InChI | InChI=1S/Ca.2ClH.2H2O/h;2*1H;2*1H2/q+2;;;;/p-2 |
| PubChem CID | 6093260 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28272000 |
| Tariff Code | 2827200000 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H302 Harmful if swallowed
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P302+352 IF ON SKIN: Wash with soap and water
- 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
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
- CaCl2.2H2O
- Calcium chloride (CaCl2), dihydrate
- Calcium chloride dihydrate ACS grade
- calcium chloride--water (1/2)
- Calcium chloride--water (1/2/2)
- CALCIUM CHLORIDEULTRA PURE
- Calcium dichloride dihydrate
- calcium dihydrate dichloride
- Calcium(II) chloride dihydrate
- Sinjarite
Frequently asked questions
What is calcium chloride dihydrate commonly used for?
Calcium chloride dihydrate is widely used as a desiccant, de-icing agent, and in food processing (e.g., firming agent in canned vegetables), as well as in dust control and brine solutions.
What is the chemical formula and molecular weight of calcium chloride dihydrate?
The formula is **CaCl₂·2H₂O**, and the molecular weight is **147.01 g/mol**.
How should calcium chloride dihydrate be stored?
Store in a cool, dry, well-ventilated area at ambient temperature, away from incompatible substances like strong oxidizers.
What grades of calcium chloride dihydrate does Molekula supply?
Molekula supplies **technical grade** calcium chloride dihydrate, suitable for industrial and laboratory applications.
Can Molekula supply calcium chloride dihydrate in bulk quantities?
Yes, Molekula can supply calcium chloride dihydrate in bulk, with quantities tailored to your requirements.
What documentation comes with an order of calcium chloride dihydrate?
Each order includes a **Certificate of Analysis (CoA)**, Material Safety Data Sheet (MSDS), and a packing list.
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.