Molekula
Calcium D-gluconate
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 D-gluconate is a calcium salt of D-gluconic acid used in dietary supplements, pharmaceuticals, and food fortification to support calcium intake. It is a white, crystalline powder with a molecular formula of C12H22CaO14 and a molecular weight of 430.37 g/mol. It is stable at ambient temperatures and has no signal word.
Molekula supplies Calcium D-gluconate at ≥ 98% purity in 500 g packs, from £37.08 inc. VAT. It is made or sourced to order. Every batch ships with a certificate of analysis, and safety data sheets are available in 5 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
On backorder — expected to ship by 5 December 2026
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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500 g — £30.90 per pack ex VAT · £37.08 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 |
|---|---|
| Solubility | Almost transparent (in hot water) |
| Purity | ≥ 98% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Crystals, granules, or powder |
| Odour | Odorless |
| Melting Point | 178 °C |
| Water Solubility | 33.3 g/L at 25 °C |
| Solubility (other solvents) | Soluble in water, insoluble in ethanol |
Source: PubChem CID 9290 (HSDB, ICSC, EU Food Improvement Agents)
Identification
| Property | Value |
|---|---|
| SKU | 51659757 |
| CAS Number | 299-28-5 |
| IUPAC Name | calcium bis((2R,3S,4R,5R)-2,3,4,5,6-pentahydroxyhexanoate) |
| EC Number | 206-075-8 |
| Molecular Formula | C12H22CaO14 |
| Molecular Weight | 430.37 |
| Exact Mass | 430.0635 |
| SMILES | C([C@H]([C@H]([C@@H]([C@H](C(=O)[O-])O)O)O)O)O.C([C@H]([C@H]([C@@H]([C@H](C(=O)[O-])O)O)O)O)O.[Ca+2] |
| InChIKey | NEEHYRZPVYRGPP-IYEMJOQQSA-L |
| InChI | InChI=1S/2C6H12O7.Ca/c2*7-1-2(8)3(9)4(10)5(11)6(12)13;/h2*2-5,7-11H,1H2,(H,12,13);/q;;+2/p-2/t2*2-,3-,4+,5-;/m11./s1 |
| PubChem CID | 9290 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29181650 |
| Tariff Code | 2918160090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, 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.
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
- Calcicol
- Calciofon
- Calcipur
- CALCIUM GLUCONATE
- Calglucol
- Calglucon
- D-Gluconic acid, calcium salt (2:1)
- Dragocal
- Ebucin
- Glucobiogen
Frequently asked questions
What is Calcium D-gluconate used for?
It is commonly used as a calcium supplement in pharmaceuticals and dietary supplements, and as a stabilizer in food products.
What is the chemical formula and molecular weight of Calcium D-gluconate?
The formula is C12H22CaO14 with a molecular weight of 430.37 g/mol.
How should Calcium D-gluconate be stored?
It should be stored at ambient temperature, protected from moisture and light.
What grade is available for Calcium D-gluconate?
It is supplied at a purity of at least 98%, and it is almost transparent in solution in hot water.
Can Molekula supply Calcium D-gluconate in bulk?
Yes, Molekula can supply Calcium D-gluconate in bulk quantities upon request.
What documentation comes with a purchase of Calcium D-gluconate?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Where can I buy Calcium D-gluconate?
Directly from Molekula, which lists Calcium D-gluconate in 500 g packs from £37.08 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.