1. Introduction of Tripotassium hydrogen ethylenediaminetetraacetate

Tripotassium hydrogen ethylenediaminetetraacetate, with the IUPAC Name of Tripotassium 2-[2-[bis(2-oxido-2-oxoethyl)amino]ethyl-(carboxymethyl)amino]acetate, is soluble in water. As one kind of pale-yellow liquid, it should be kept in the room temperature and keep away from sunlight.

2. Properties of Tripotassium hydrogen ethylenediaminetetraacetate 

Physical properties about Tripotassium hydrogen ethylenediaminetetraacetate are as below:
(1). H bond acceptors: 10
(2). H bond donors: 4
(3). Freely Rotating Bonds: 11
(4). Polar Surface Area: 167 Å²

3. Structure Descriptors of Tripotassium hydrogen ethylenediaminetetraacetate 

(1). InChI: InChI=1/C₁₀H₁₆N₂O₈._³K/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;/q;3*+1/p-4
(2). InChIKey: FYZXEMANQYHCFX-XBHQNQODAZ
(3). Std. InChI: InChI=1S/C₁₀H₁₆N₂O₈._³K/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;;;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);;;/q;3*+1/p-4

4. Safety of Tripotassium hydrogen ethylenediaminetetraacetate 

Hazard Codes: Xi
Risk Statements: 36/37/38
R36/37/38: Irritating to eyes, respiratory system and skin.
Safety Statements: 26-36/37
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. 
S36/37: Wear suitable protective clothing and gloves.