Ethylenediaminetetraacetic Acid
- 中文名称:乙二胺四乙酸
- CAS:60-00-4
- UN Code:
- Individual Weight:25
- EINECS:200-449-4
- HS Code:
- Purity:99%
Description
White crystalline powder, odorless and tasteless; orthorhombic crystal structure.Hexadentate chelating agent, capable of forming stable 1:1 chelates with most metal ions;weak acid with pKa₁ = 1.99, pKa₂ = 2.67, pKa₃ = 6.16, pKa₄ = 10.26;stable under dry conditions, readily forms salts with strong bases, and decomposes at high temperatures.
Physical & Chemical Properties
- Molecular FormulaC10H16N2O8
- Density:0.86g/cm³g/cm³
- Boiling Point:
- Molecular Weight:292.2g/mol
- Flash Point:
- Melting Point:
Safety, Security & Risk
Physical Hazards
As a powder or granule, it may form an explosive dust mixture with air.
Chemical Hazards
When heated, it decomposes and emits toxic fumes of nitrogen oxides.Reacts with strong oxidizing agents.Attacks some forms of metals and rubber.
As a powder or granule, it may form an explosive dust mixture with air.
Chemical Hazards
When heated, it decomposes and emits toxic fumes of nitrogen oxides.Reacts with strong oxidizing agents.Attacks some forms of metals and rubber.