Iminodiacetic acid (Electronic Grade)--Nantong Huanyu Chemicals Co., Ltd.

[Appearance]: White crystalline powder or white rhombohedral crystal. The specific gravity is 1.56. Slightly soluble in water, insoluble in alcohols, acetone, and ether, benzene, carbon tetrachloride, melting point 247.5 ℃ (decomposition). It forms salts with alkali and chelates with various metals.

[Molecular formula]: C₄H₇NO₄

[Molecular weight]: 133.1

[Structural formula]:

[CAS] ：142-73-4

[Quality indicators]:

Index name	Index Value
Appearance	White crystal
Purity【NH (CH₂COOH)₂ 】 % ≥	99.0
Loss on drying % ≤	0.3
Cl（ppm） ≤	2
Na（ppb） ≤	50
Ca（ppb） ≤	50
Fe（ppb） ≤	50
K（ppb） ≤	20
Al（ppb） ≤	20
Mg（ppb） ≤	20
Cr（ppb） ≤	20
Zn（ppb） ≤	10
Cu（ppb） ≤	10
Pb（ppb） ≤	10
Ni（ppb） ≤	10
Other metal ions(Mn、Cd 、Ag 、Sn、Ti) （ppb） ≤	5

[Purpose]: Iminodiacetic acid is used in the production of etching solutions and cleaning agents in chip and semiconductor manufacturing processes, as well as as as a raw material for surfactants and complexing agents in electronic product production and assembly processes.

[Packaging and Storage]: 25kg/cardboard drum or composite bag, with double-layer plastic bags for inner packaging or according to customer requirements. Sealed storage at room temperature should be separated from oxidants and alkalis.