Water Treatment Chemicals

For a green world

>>Sequestrants & Chelating agents: e.g. DTPA, HEDP, GLDA, MGDA, EDDS, ASDA. For anti-scale, iron control, softener, cleaners, etc.

>>Biocidal active substances: e.g. BZK, DDAC, CPC, DBNPA, PHMB, PHMG, CMIT/MIT, Bronopol. For cooling water treatment, anti-slime, antiseptic, etc.

>>Polymer dispersants: e.g. HPMA, PESA, PASP, PAA. For anti-scale, cleaners, etc.

Product List

Chelating Agents

Chelating Agents, also known as sequestering and complexing agents, are raw materials of cleaning agents, cosmetics, textiles aids, scale inhibitor, oilfield chemicals, detergents, etc.

List of Green Chelating Agents

AbbreviationProduct NameCAS No.Appearance
GLDA-NaTetrasodium N,N-bis(carboxylatomethyl)-L-glutamate51981-21-6Liquid; Solid
MGDA-NaAlanine, N,N-bis(carboxymethyl)-, trisodium salt164462-16-2Liquid; Solid
EDDS-NaL-Aspartic acid, N,N’-1,2-ethanediylbis-, trisodium salt178949-82-1Liquid
ASDA-NaTetrasodium N,N-bis(carboxylatomethyl)-L-aspartate34612-80-1Liquid
IDS-NaAspartic acid, N-(1,2-dicarboxyethyl)-, tetrasodium salt144538-83-0Liquid; Powder
PASP-NaAspartic acid, homopolymer, sodium salt34345-47-6Liquid; Powder
Sodium glucoheptonateSodium Glucoheptonate (Dihydrate)31138-65-5Liquid; Powder
List of Green Chelating Agents

List of Traditional Chelating Agents

Traditonal Chelating Agents
Aminopolycarboxylates: EDTA acid, EDTA-Na/K, DTPA & DTPA-5Na/5K
Polyphosphonates: HEDP, DTPMP, ATMP, PBTCA

AbbreviationProduct NameCAS No.AppearanceCategory
EDTAEthylene diamine tetraacetic acid60-00-4White crystal solidAminopolycarboxylates
EDTA Salts2Na; 4Na; 2K; 3KSolid; LiquidAminopolycarboxylates
Chelated fertilizerFe; Ca; Zn; Cu; Mg; Mn; EDDHA-Fe; DTPA-FeSolid; LiquidAgriculture Nutrients
DTPADiethyleneTriaminePentaacetic acid67-43-6White crystal solidAminopolycarboxylates
DTPA-5NaDiethylene triaminepentaacetic acid pentasodium salt140-01-2LiquidAminopolycarboxylates
DTPA-5KDTPA penta potassium7216-95-7LiquidAminopolycarboxylates
HEDPEtidronic acid2809-21-4Liquid; SolidPolyphosphates
PBTCA1,2,4-Butanetricarboxylic acid, 2-phosphono-37971-36-1LiquidPolyphosphates
DTPMPDiethylene Triamine Penta (Methylene Phosphonic Acid)15827-60-8LiquidPolyphosphates
ATMPAminoTri(Methylene Phosphonic acid)6419-19-8Liquid; SolidPolyphosphates
List of Traditional Chelating Agents

Polymeric dispersants & Oxygen scavenger

AbbreviationProduct NameCAS No.AppearanceCategory
HPMAHydrolyzed polymaleic anhydride26099-09-2LiquidPolymer, dispersant and scale inhibitor
PESA2,3-Oxiranedicarboxylic acid, disodium salt, homopolymer109578-44-1LiquidPolymer, dispersant and
antiscale, corrosive synergy inhibitor
Sodium PolyaspartatePolyaspartic Acid Sodium Salt; PASP-Na;34345-47-6;
94525-01-6; 181828-06-8 
Powder; LiquidPolymer, dispersant and scale inhibitor
AcetoximeAcetone oxime; Acetoxime127-06-0White flake/powder crystalsOxygen scavenger
Polymeric dispersants & Oxygen scavenger List

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