EDTA Tripotassium Salt Trihydrate

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EDTA Tripotassium Salt Trihydrate

EDTA Tripotassium Salt Trihydrate

EDTA Tripotassium Salt Trihydrate is the tripotassium salt form of ethylenediaminetetraacetic acid, appearing as a white, crystalline powder. It is a chelating agent, meaning it binds to metal ions such as calcium, magnesium, iron, and heavy metals to form stable, water-soluble complexes.

This compound is often used in biochemistry,pharmaceuticals, agriculture, cosmetics, and industrial processes to control metal ion concentration. The trihydrate form contains three molecules of water, making it more soluble and easy to handle in various solutions.

Applications of EDTA Tripotassium Salt Trihydrate

Pharmaceutical Industry – Acts as a chelating agent to remove excess metal ions in formulations and as an anticoagulant in blood collection tubes.
Biotechnology & Laboratory Use – Used in buffer solutions, especially for DNA/RNA extraction and cell lysis.
Water Treatment – Removes hardness by binding with calcium and magnesium.
Agriculture – Chelates micronutrients (Fe, Zn, Cu, Mn) for foliar sprays or fertilizers.
Cosmetic & Personal Care – Enhances product stability by preventing metal ion-induced degradation.
Food Industry – Used as a preservative and stabilizer (under regulated limits).
Industrial Cleaning Agents – Improves the effectiveness of detergents by softening water.
Textile & Paper Industry – Used to remove metal ions that interfere with dyeing or bleaching.
Electroplating & Metal Finishing – Controls metal ions in solution baths.
Photographic Industry – Used in photographic developing solutions for stabilizing metal ions.

10 Frequently Asked Questions (FAQs)

Q: What is EDTA Tripotassium Salt Trihydrate used for?
A: It is mainly used as a chelating agent to bind and neutralize metal ions in various applications.
Q: Is it water-soluble?
A: Yes, it is highly soluble in water, especially in its trihydrate form.
Q: How is it different from EDTA Disodium Salt?
A: The tripotassium salt has better solubility and is often preferred in alkaline pH conditions.
Q: Is it safe for pharmaceutical use?
A: Yes, when used under regulated concentrations, it's widely used in injectables, ophthalmic, and oral products.
Q: What is the pH range of EDTA tripotassium salt solution?
A: Typically pH 8.5 to 9.5 in 1% aqueous solution.
Q: Is it used in agriculture?
A: Yes, it’s a key component in chelating micronutrients in fertilizers.
Q: Does it have any toxicity concerns?
A: It is generally low in toxicity but must be handled with care; excessive intake can chelate essential metals in the body.
Q: What is its appearance and physical form?
A: It appears as a white crystalline or granular powder, non-hygroscopic and odorless.
Q: Can it be used in food processing?
A: Yes, under strict regulatory limits by authorities like FDA or EFSA.
Q: How should it be stored?
A: Store in a cool, dry place, away from moisture and direct sunlight, in a tightly sealed container.

Features with Practical Uses

Feature	Use / Benefit
Chelating Ability	Binds with calcium, magnesium, and heavy metals to prevent interference in reactions.
High Solubility	Easily dissolves in water, suitable for liquid applications like injections and sprays.
Stable pH (Alkaline Range)	Ideal for formulations that need alkaline conditions (e.g., buffers, fertilizers).
Free Flowing Powder	Easy to measure, handle, and mix with other compounds.
Low Toxicity	Safe in regulated pharmaceutical, cosmetic, and food uses.
Trihydrate Form	Enhances solubility and minimizes hygroscopic issues.
Complexes with Various Metals	Works on a wide range of metal ions – iron, copper, zinc, calcium, etc.
Biocompatibility	Can be used in biochemical and clinical applications (e.g., blood anticoagulants).
Inhibits Oxidative Degradation	Stabilizes cosmetic and pharma formulations against metal-catalyzed oxidation.
Versatile Usage	Used in everything from lab reagents to industrial water softening.

Key Points for Buyers and Manufacturers

CAS Number: 17589-38-3
Molecular Weight: Approx. 404.56 g/mol
Appearance: White crystalline powder
Solubility: Highly water soluble
Packaging Options: Available in 25 kg HDPE bags, drums, or customized packs
Shelf Life: Up to 2 years in proper storage
Purity Grades:

Technical Grade
Laboratory Reagent (LR) Grade
Food or Pharma Grade (on demand)

Export-Ready: Manufacturers in India offer bulk and small-pack export with proper certifications (COA, MSDS, TDS, ISO).
Industries Served: Pharma, food, agriculture, chemicals, biotech, and water treatment.