EDTA disodium salt Na2H2 - 2H2O (dihydrate). EDTA disodium salt is mainly used for its ability to bind to metal ions precipitating lead and other metals in solution, often used as a chelating agent in aquaria. Together with iron sulphate heptahydrateis used to increase the amount of iron in aquariums.

IDENTIFICATION AND PROPERTIES

Name: Disodium EDTA salt
Chemical formula: C10H14N2Na2P8.2H2O
Synonyms: EDTA disodium EDTA dihydrate
CAS: 6381-92-6
EC: 205-358-3

• Physical state: Crystals
• Colour: White
• Odour: Odourless
• pH: 4-6 1% current USP
• Melting point/Melting range: 252ºC measured Decomposes
• Flammability (solid/gas): No, not expected to form explosive dust/air mixtures.
• Vapour pressure: <0.01 mmHg
• Solubility in water: 10% at 25ºC
• Kinematic viscosity: Solid
• Explosive properties: Non-explosive
• Oxidising properties: No

USES

• Substance manufacture.
• Intermediates formulation
• Powder formulation, liquid
• Adhesives, sealants
• Biocidal product
• Coatings and paints
• Solvents
• Paint strippers
• Metal surface treatment products, including electroplating and electrolysis products
• Photochemical additive
• Textile dyes, finishing and impregnating products
• Cleaning and washing products