Chelating Agents:
like the “Claw”

The chelating agent, which acts like a crab’s “chelate,” clamps the metal ions, and the chelating agent and the metal ions form chelates.

Chelates are generally chelate ligand shape, relatively stable.

Category: Chelating Agents

  • Hydroxy-IDS


    Tetrasodium hydroxy-iminodisuccinate; Na4HIDS CAS Number: 141656-02-2;Synonyms:Aspartic acid, N-(1,2-dicarboxyethyl)-3-hydroxy-, tetrasodium salt;Aspartic acid, N-[(1S)-1,2-dicarboxyethyl]-3-hydroxy-, sodium salt (1:4);3-hydroxy-2,2′-iminodisuccinic acid tetrasodium salt; HIDS;190195-65-4; Tetrasodium Hydroxy-IminoDiSuccinate, abbreviated as Na4HIDS, is a non-phosphorus degradable chelating/complexing agent (sequestrant, sequestering agent). Na4HIDS can effectively chelate metal ions such as iron and copper, and hard water ions such as calcium and magnesium over a…

  • Chelating capacity and stability

    Chelating capacity and stability

    Stability constants (logK values) – in active pH range Metal ion EDTA DTPA GLDA MGDA IDS Al3+ 16.4 18.6 12.2 7.7 14.1 Ba2+ 7.8 8.6 3.5 4.8 3.4 Ca2+ 10.7 10.7 6.4 7 5.2 Cd2+ 16.5 18.9 9.1 10.6 8.4 Co2+ 16.5 18.8 10.0 11.1 10.5 Cu2+ 18.8 21.2 13.1 13.9 13.1 Fe2+ 14.3 16.5 8.7…

  • ATMP

    AminoTri(Methylene Phosphonic acid); ATMP CAS No.: 6419-19-8;EC No.: 229-146-5; Synomyms:Phosphonic acid, (nitrilotris(methylene))tris-;Nitrilotrimethylenetris(phosphonic acid);Phosphonic acid, P,P’,P”-[nitrilotris(methylene)]tris-;Aminotri(methylenephosphonic acid) ATMP has good chelating, inhibition effects. It can prevent scale-forming salts in water, especially calcium carbonate scale. ATMP is stable in water, has good corrosion inhibition when compounded with zinc and phosphate water treatment chemicals. Uses:Cooling water treatment, boiler…

  • Etidronic acid, HEDP

    Etidronic acid, HEDP

    HEDP/Etidronic acid is a typical organophosphine chelating agent, as water treatment scale and corrosion inhibitor, cleaning and descaling agent, sequestering and complexing agent, etc.

  • IDS


    CAS Number: 144538-83-0; Molecular formula: C8H7NO8Na4; IDS-Na4 is a non-phosphorus, biodegradable chelating agent. Good chelating property to copper and iron ions.

  • Sodium Glucoheptonate

    Sodium Glucoheptonate

    CAS No.: 31138-65-5; 10094-62-9. Green Chelating Agent, specially under alkaline condition, for metal and glass surface cleaning agents. Sodium glucoheptanoate has better complexing effect under alkaline condition. This product is widely used in metal surface cleaning, food packaging glass bottle cleaning, concrete admixture, and other industries.

  • EDTA-Na


    EDTA sodium salt are easily soluble in water. EDTA-2Na, CAS 6381-92-6; EDTA-4Na, CAS 13235-36-4; EDTA Acid (CAS#60-00-4) is insoluble in cold water. Complexing and sequestering agents: DTPA, GLDA, MGDA, HEDP, EDDS, etc.

  • GLDA


    CAS No.: 51981-21-6 Chemical formula: C8H7NO8.4Na; GLDA is an environmentally friendly chelating agent, biodegradable, phosphorus-free and cyanide-free.

  • DTPA & DTPA-5Na/5K

    DTPA & DTPA-5Na/5K

    DTPA is traditional chelating agent. DTPA acid, CAS No. 67-43-6; DTPA-5Na pentasodium, CAS No. 140-01-2; DTPA penta potassium(DTPA-5K), CAS No. 7216-95-7; DTPA Acid is white crystal, slightly soluble in water,solubility in water (20 ℃), 5g/l. DTPA-5Na is solution, a yellow or light yellow transparent alkaline liquid, soluble in water.

  • ASDA


    ASDA-Na4; CAS No.: 34612-80-1; Molecular formula: C8H7NO8Na4; Synonym: Tetrasodium dicarboxymethyl aspartate; L-aspartic acid N, N-diacetic acid tetrasodium salt; ASDA is a biodegradable and environmentally friendly chelating agent.



    organophosphines Chelating Agent, Abbreviation: DTPMP; DTPMPA; DETPMP; CAS No. 15827-60-8; DTPMP is suitable for high alkali, high pH, high temperature, high hardness water treatment scale inhibitor, metal ion sequestering agent, chelating agent, complexing agent, etc.

  • EDDS


    CAS No.: 178949-82-1; EDDS is a green Phosphorus-free degradable chelating agent; high selectivity for Cu and Fe ions;

Jining Green Mountain Chemical offers a range of professional chemicals, including Chelating Agents, Water Treatment Chemicals and Flame Retardants,etc.

© || All Right Reserved