CAS Number: 144538-83-0;
Molecular formula: C8H7NO8Na4;

INCI: Tetrasodium iminodisuccinate; イミノジコハク酸４Ｎａ;

Chemical names:
Iminodisuccinic acid sodium salt; IDS-4Na;
N-(1,2-Dicarboxyethyl)-DL-aspartic acid, tetrasodium salt;

Tetrasodium iminodisuccinate, abbreviated as IDS-Na4, is a phosphorus-free, degradable chelating agent.

Features

1）Easy biodegradability, no phosphorus, friendly to the environment.
2）Excellent compatibility, strong alkali resistance, high temperature resistance.
3）Good chelating property to copper and iron ions.

Technical data

	Liquid	Solid
Appearance	Colorless to light yellow aqueous solution	White powder
Effective content [%]	≥33	≥76
Solid content [%]	≥42	≥92
pH value(1% aqueous solution)	9~11	9~11
Density [g/cm3]	＞1.2	—
Bulk density [kg/Liter]	—	＞0.3

Uses

Hard surface cleaning: metal cutting, pipeline network cleaning, glass cleaning. Used with surfactants in cleaners, especially for rust and iron sulfide fouling, e.g. natural gas pipeline cleaning.
Water treatment chemicals: chelating agent to control water hardness and prevent scale.
Cleaning agents, detergents, soaping agents component.
Bleaching stabilizers for the paper pulp and dyeing industry.
Textile Auxiliaries: complexing agent, sequestering agent.
Electronic chemicals: Flat Panel Display FPD Chemicals.
Oilfield industry.

Related Products

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

Package and storage

25kg or 30kg per plastic drum;
125kg, or 250kg per plastic drum;
1250kg per IBC.
Store in a cool and ventilated place indoors, moisture-proof, storage period of 12 months.

Similar product
1. Trisodium ethylenediamine disuccinate; EDDS;
L-Aspartic acid, N,N’-1,2-ethanediylbis-, sodium salt (1:3);
CAS No.: 178949-82-1; EC / List no.: 605-842-8
2. Tetrasodium 3-hydroxy-2,2′-iminodisuccinate; Hydroxy IDS;
Aspartic acid, N-(1,2-dicarboxyethyl)-3-hydroxy-, tetrasodium salt;
CAS# 141656-02-2; CAS# 190195-65-4;