Molekula
Ethylenediaminetetraacetic acid calcium disodium salt
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
Ethylenediaminetetraacetic acid calcium disodium salt is a chelating agent used to bind metal ions in laboratory and industrial applications. It is commonly employed in biochemical assays, water treatment, and food preservation. Available in powder form with a molecular weight of 374.27 g/mol, it has the CAS number 62-33-9 and the molecular formula C10H12N2O8CaNa2. Store at 2 to 8 °C.
Molekula supplies Ethylenediaminetetraacetic acid calcium disodium salt at 98-102.0% purity in 100 g and 1 kg packs, from £74.52 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 6 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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100 g — £62.10 per pack ex VAT · £74.52 inc. VAT
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1 kg — £140.30 per pack ex VAT · £168.36 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 crystalline powder |
| Water | ≤13.0% |
| Heavy metals | ≤10 ppm |
| pH | 20% solution: 6.8 - 8.0; 1% solution: 6.5 - 7.5 |
| Chloride (Cl-) | ≤0.1% |
| Assay | 98-102.0% |
| Iron (Fe) | ≤80 ppm |
| Lead (Pb) | ≤4 ppm |
| Arsenic (As) | ≤3 ppm |
| Chelated Calcium | 8.5 to 10.0% |
| Nitrilotriacetic acid | ≤0.1% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Appearance | Powder |
| Odour | Odorless |
| Water Solubility | Soluble in water |
Source: PubChem CID 6093170 (HSDB)
Identification
| Property | Value |
|---|---|
| SKU | 14243311 |
| CAS Number | 62-33-9 |
| IUPAC Name | calcium;disodium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxylatomethyl)amino]acetate |
| Molecular Formula | C10H12N2O8CaNa2 |
| Molecular Weight | 374.27 |
| Exact Mass | 374.0015 |
| SMILES | C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Na+].[Na+].[Ca+2] |
| InChIKey | SHWNNYZBHZIQQV-UHFFFAOYSA-J |
| InChI | InChI=1S/C10H16N2O8.Ca.2Na/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;/q;+2;2*+1/p-4 |
| PubChem CID | 6093170 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29224980 |
| Tariff Code | 2922498590 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
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.
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
- C10H12CaN2Na2O8
- Calcium disodium edetate hydrate
- Calcium disodium EDTA dihydrate
- Calcium disodium ethylenediaminetetraacetate
- Detoxamin
- Edetate calcium disodium
- Edetate calcium disodium anhydrous
- EDTA calcium disodium
- Edthamil
- INS NO.385
Frequently asked questions
What is ethylenediaminetetraacetic acid calcium disodium salt used for?
It is primarily used as a chelating agent in pharmaceuticals, food, and industrial applications to bind metal ions and prevent degradation.
What is the chemical formula and molecular weight?
The formula is C10H12N2O8CaNa2 with a molecular weight of 374.27 g/mol.
How should this compound be stored?
Store at 2 to 8 °C to maintain stability and prevent degradation.
What grade is available from Molekula?
Molekula supplies this compound to a specification with an assay of 98 to 102.0%, heavy metals at or below 10 ppm, lead at or below 4 ppm, arsenic at or below 3 ppm, nitrilotriacetic acid at or below 0.1%, and chelated calcium of 8.5 to 10.0%.
Can Molekula supply this in bulk?
Yes, Molekula can provide bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with the order?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Where can I buy Ethylenediaminetetraacetic acid calcium disodium salt?
Directly from Molekula, which lists Ethylenediaminetetraacetic acid calcium disodium salt in 100 g and 1 kg packs from £74.52 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.