Molekula
EDTA tripotassium salt
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
EDTA tripotassium salt is a chelating agent widely used in pharmaceuticals, clinical laboratories as an anticoagulant in blood collection tubes (K3EDTA), and water treatment to bind metal ions and prevent oxidation or precipitation. It acts as a stabilizer, sequestrant, and buffering agent in formulations where metal contamination must be controlled. This chemical has a CAS number of 17572-97-3, with the molecular formula C10H13K3N2O8 and a molecular weight of 406.51. It is stored at ambient conditions and carries a signal word of "Warning" for safety. Molekula supplies EDTA tripotassium salt 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
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 — £89.70 per pack ex VAT · £107.64 inc. VAT
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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 | 7.5 - 9.0% |
| pH | 7.0 - 9.0 (25°C, 0.1M in H20) |
| Assay | ≥99% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 52369963 |
| CAS Number | 17572-97-3 |
| IUPAC Name | tripotassium;2-[2-[bis(carboxylatomethyl)amino]ethyl-(carboxymethyl)amino]acetate |
| EC Number | 241-543-5 |
| Molecular Formula | C10H13K3N2O8 |
| Molecular Weight | 406.51 |
| Exact Mass | 405.9583 |
| SMILES | C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)O)CC(=O)[O-].[K+].[K+].[K+] |
| InChIKey | FYZXEMANQYHCFX-UHFFFAOYSA-K |
| InChI | InChI=1S/C10H16N2O8.3K/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;3*+1/p-3 |
| PubChem CID | 62717 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 2922.49.80.00 |
| Tariff Code | 2922498590 |
Safety & GHS
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Health Hazard
GHS07
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Serious Health Hazard
GHS08
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H332 Harmful if inhaled
- H335 May cause respiratory irritation
- H373 May cause damage to organs through prolonged or repeated exposure
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P304+341 IF INHALED: If breathing is difficult, 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, 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
- Acetic acid, (ethylenedinitrilo)tetra-, tripotassium salt
- Edetate tripotassium
- Ethylenediaminetetraacetic acid tripotassium salt
- Glycine, N,N'-1,2-ethanediylbis(N-(carboxymethyl)-, tripotassium salt
- Glycine, N,N'-1,2-ethanediylbis[N-(carboxymethyl)-, potassium salt (1:3)
- N,N'-1,2-Ethanediylbis(N-(carboxymethyl)glycine), tripotassium salt
- Sequestrene 50K3
- Tripotassium EDTA
- Tripotassium ethylenediaminetetraacetate
- Tripotassium hydrogen ethylenediaminetetraacetate
Frequently asked questions
What is EDTA tripotassium salt commonly used for?
EDTA tripotassium salt is primarily used as a chelating agent in pharmaceuticals, cosmetics, and as an anticoagulant in blood collection tubes (K3EDTA) to bind metal ions and prevent oxidation or precipitation.
What is the chemical formula and molecular weight of EDTA tripotassium salt?
The chemical formula is C₁₀H₁₃K₃N₂O₈, and the molecular weight is 406.51 g/mol.
What safety classification does EDTA tripotassium salt have?
The product has a Signal Word of 'Warning' and is classified as hazardous under GHS, requiring proper handling and labeling.
How should EDTA tripotassium salt be stored?
Store in a tightly sealed container at ambient temperature, away from moisture and direct sunlight.
Does Molekula supply EDTA tripotassium salt in bulk quantities?
Yes, Molekula can supply EDTA tripotassium salt in bulk, with quantities tailored to your specific requirements.
What documentation is provided with an order of EDTA tripotassium salt?
Each order includes a Certificate of Analysis (CoA), Material Safety Data Sheet (MSDS), and batch-specific documentation for traceability.
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.