Corrosion inhibitor - Dispersant - Scale and corrosion inhibitor

KR-GCA Green Chelating Agent(L-glutamic Acid,N,N-diacetic Acid, Tetrasodium Salt)

Molecular Fomula: C9H9NO8Na4

Molecular Weight: 351.1

CAS No.: 51981-21-6


KR-GCA Green Chelating Agent is mainly prepared from plant-based raw material,L-glutamate.

KR-GCA Green Chelating Agent is environmental friendly, safe and reliable in utilization, easily biodegradable.

KR-GCA Green Chelating Agent is a metal ion chelation agent, and can form stable water soluble complexes with metal ion. It has good solubility in wide pH range with powerful decontamination ability and can achieve synergistic effect with biocides in systems.

KR-GCA Green Chelating Agent can be widely used as substitute for chelation agent (e.g. NTA, EDTA, etc.) in high polymer chemistry industry, household chemical industry, pulp & paper industry, pharmaceuticals industry, aquaculture, textile dyeing and printing industry, oil field, water treatment industry, boiler cleaning, etc.


AppearanceAmber transparent liquidAmber transparent liquid
Content, %38.0 min47.0 min
Chloride (as Cl-) %3.0 max3.0 max
pH(1% water solution)11.0~12.011.0~12.0
Density (20℃) g/cm31.30 min1.40 min


KR-GCA Green Chelating Agent shows excellent chelating ability, and can replace the traditional chelating agent.

Typical chelation value to several kinds of metal ion:

45 mg Ca2+/g KR-GCA Green Chelating Agent

72mg Cu2+/g KR-GCA Green Chelating Agent

75 mg Zn2+/g KR-GCA Green Chelating Agent

Package and Storage:

250kg per drum, or according to customers’ requirement.

Storage for ten months in shady room and dry place.

Safety Protection:

Weak alkaline. Avoid contact with eye, skin and etc. Once contacted, flush with water.

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