Ethylenediaminetetraacetic Acid
Edetic Acid, EDTA
- CAS
- 60-00-4
- EC
- 200-449-4
- Sectors
- Water & Wastewater Treatment, Personal Care & Cosmetics, Pharma & Healthcare
Ethylenediaminetetraacetic Acid (CAS 60-00-4) is a polyamino carboxylic acid supplied as a white, odorless crystalline powder that functions as a chelating agent for metal ions, binding calcium and magnesium in water treatment, detergents and cosmetics and stabilizing formulations in pharmaceuticals. It is typically supplied as the disodium or tetrasodium salt.
Typical Properties
| Molecular formula | C10H16N2O8 |
|---|---|
| Molecular weight | 292.24 g/mol |
| Appearance | EDTA is a white, odorless, crystalline material or white powder |
| Form | crystalline |
| Color | White to almost white |
| Odor | Odorless |
| Melting point | 245 °C |
| Density | 0.086 g/cm³ |
| Water solubility | 0.5 g/L (25 °C) |
| Flash point | >400°C DIN 51758 |
| pH | 2.5 (10g/l, H2O, 23°C)(slurry) |
| GHS signal word | Warning · Irritant / harmful, Health hazard, Environmental hazard |
| HS code | 29224900 |
Typical literature values for identification; lot-specific results are stated on the certificate of analysis (COA) and the safety data sheet (SDS) that accompany every delivery.
Ethylenediaminetetraacetic Acid
Applications
Used in water treatment, detergents, and cosmetics to bind calcium and magnesium ions. In pharmaceuticals, it stabilizes formulations and enhances antioxidant systems.
Safety & Risks
Low toxicity but may cause mild irritation. Avoid inhalation of dust. Compatible with most organic and inorganic systems.
Packaging
Supplied in 25 kg PE-lined paper bags. Store dry and sealed, away from strong oxidizers.