EDTA-4Na

Synonym: Ethylenediaminetetraacetic Acid Tetrasodium Salt Trihydrate;EDTA Tetrasodium
Molecular Formula: C₁₀H₁₂N₂O₈Na₄•4H₂O
Molecular Weight: 452.23
CAS No.: 13235-36-4

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Property:

White Crystalline Powder

Specifications:

Tech Grade

Test Item	Standard Specification
Content (as 452.2)%	99.00% Min.
Chloride(Cl^-)%	0.01% Max.
Sulfate(SO₄^2-)%	0.05% Max.
Heavy Metal(Pb)%	0.001% Max.
Iron(Fe)%	0.001% Max.
Chelate Value(mgCaCO₃/g)	220 Min.
pH Value(1% Water Solution,25℃)	10.5 – 11.5
NTA%	1.0% Max.
Appearance	White Crystalline Powder

High Grade

Test Item	Standard Specification
Content (as 452.2)%	99.50% Min.
Chloride(Cl^-)%	0.01% Max.
Sulfate(SO₄^2-)%	0.05% Max.
Heavy Metal(Pb)%	0.001% Max.
Iron(Fe)%	0.001% Max.
Chelate Value(mgCaCO₃/g)	220 Min.
pH Value(1% Water Solution,25℃)	10.5 – 11.5
NTA%	0.1% Max.
Appearance	White Crystalline Powder

Spray Grade

Test Item	Standard Specification
Content (as 452.2)%	99.30% Min.
Chloride(Cl^-)%	0.01% Max.
Sulfate(SO₄^2-)%	0.03% Max.
Heavy Metal(Pb)%	0.001% Max.
Chelate Value(mgCaCO₃/g)	220 Min.
pH Value(1% Water Solution,25℃)	10.5 – 12.5
NTA%	3.0% Max.
Density(g/L)	600-800
Appearance	White Powder

Dihydrate Grade

Test Item	Standard Specification
Content (as 452.2)%	107.00% Min.
Chloride(Cl^-)%	0.01% Max.
Sulfate(SO₄^2-)%	0.05% Max.
Heavy Metal(Pb)%	0.001% Max.
Iron(Fe)%	0.001% Max.
Chelate Value(mgCaCO₃/g)	234 Min.
pH Value(1% Water Solution,25℃)	10.5 – 11.5
Appearance	White Crystalline Powder

*The above product specifications are for reference only, please contact your sales manager to confirm the latest specifications.

Packing: 25kg bag , or according to the customers' demand.
Storage: Stored in the dry and ventilated inside storeroom, prevent direct sunlight, slightly pile and handle carefully.

Applications：

Cosmetics
Personal Care (Soap, Shampoo)
Oil Industry (Anti-caking Agent)
Food Additives
Textile Manufacturing
Detergent
I&I Cleaning