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Product:
Ethylene Diamine Tetraacetic Acid (EDTA)
Formula:
C10H16N2O8
CAS No.:
60-00-4
Product No.:
SP2059
Package:
25Kg/Drum or in terms of customer's requirements.

Physicochemical Properties

The solubility in water is 0.5g/l at 25 ℃. Insoluble in cold water, alcohol and general organic solvents. Soluble in sodium hydroxide, sodium carbonate and ammonia solution.

 

Specification

ITEM

SPECIFICATION

RESULT

Appearance

White Crystal Powder

White Crystal Powder

Purity (%)

99.5

99.7

PH (0.5g/1,25℃)

2.6-3.2

2.9

Chelated value

339

339

Bicarbonate solution solubility test

Pass

Pass

Sulfate

0.001

0.0007

Chlorides (%)

0.001

0.0007

Fe (%)

0.001

0.0008

Heavy Metals (as Pb) %

0.001

0.0008

Residue on Ignition

0.1

0.01

NTA (%)

0.1

0.01

Loss on Drying (105±2) %

0.2

0.017

 

Applications and Usages

EDTA is used as chelating agent in cosmetics. It is often used as nuclease and protease inhibitor. It can also be used to remove the inhibition of heavy metal ions on enzymes.