Product List

Phosphonates Antiscalants, Corrosion Inhibitors and Chelating Agents
Salts of Phosphonates
Polycarboxylic Antiscalant and Dispersant
Biocide and Algicide
Reverse Osmosis Chemicals
Built Scale & Corrosion Inhibitors and Pretreatment Filming Agents
Corrosion Inhibitors & Oxygen Scavenger
Surfactant & Others

Ethylene Diamine TetraaceticAcid Disodium Salt (EDTA.Na2)

CAS No. 6381-92-6 EINECS No. 613-386-6
Molecular Formula C10H14N2O8Na2•2H2O Molecular Weight 348.05
Structural Formula


Product Features

EDTA.NA2 is white crystalline powder, soluble in water and hardly soluble in organic solvents. EDTA.NA2 is excellent chelating agents/complexing agents, mainly used to soften hard water, and can effectively chelate/chelate various metal ions in hard water (mainly calcium, magnesium, iron, lead, copper, manganese, etc.)

Technical Specification

Parameter Standard
Appearance White Crystalline Powder
Active content, % 99.0 min
Chloride (as Cl-), % 0.02 max
Sulfate(SO42-) 0.05 max
Ferrum, % 0.001 max
Chelating value(mgCaCO3/g) 265 min
pH Value 4.0-5.0

Applications & Usage

EDTA.NA2 is used for detergents, dyeing aids, fiber treatment agents, cosmetic additives, food additives, agricultural fertilizers, and marine aquaculture.

Package & Storage

25kg Bag
Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and hanlde with care.

Hazard & Safety Precaution

Hazard Information Satety Precaution

Not Regulated

Wear protective gloves Wear protective goggles Wear protective clothing

Once contacted with eye and skin, flush with plenty of clean water.

Alternative Name / Synonyms

  1. Ethylenediaminetetraacetic Acid Disodium Salt;
  2. EDTA Disodium Dihydrate