NTA/Nitrilotriacetic acid/N,N-Bis(carboxymethyl)glycine/Tri(carboxymethyl)amine/Triglycine

English Name: NTA; Nitrilotriacetic acid； N,N-Bis(carboxymethyl)glycine； Tri(carboxymethyl)amine； Triglycine； α,α′,α″- Trimethylaminetricarboxylic acid； Chelaton I； Trilon A

Other names: amino triacetic acid; Nitrotriacetic acid; N. N-bis (carboxymethyl) glycine; Tris (carboxymethyl) amine; Triglycine; α,α′,α″- Trimethylamine tricarboxylic acid; Ammonia carboxyl complexing agent I; Complexing agent I; Toluron a; Trilon a; Azatriacetic acid; Diazo triacetic acid; Hypoamino triacetic acid; N. N-bis (carboxymethyl) glycine; Nitrotriacetic acid; Azochuan triacetic acid ammonia carboxyl complexing agent I

CAS No.: 139-13-9

C6H9NO6=191.14

Grade: ar

Content: ≥ 98.5%

Chloride: ≤ 0.01%

Sulfate: ≤ 0.05%

Iron: ≤ 0.001%

Ammonia solution test: qualified

 Physicochemical Properties: white prismatic crystalline powder. It can form complexes with various metal ions. Soluble in ammonia water and alkali hydroxide solution, slightly soluble in water (1.28g soluble in 1L water at 22.5 ℃), insoluble in organic solvents. The pH of saturated aqueous solution is 2.3. The melting point is 230 ~ 235 ℃ (decomposition) (241.5 ℃ is also reported in the literature). Low toxicity, LD50 (rat, oral) 1470mg/kg. There is a possibility of cancer.

Purpose: biochemical research. Complexing agent. Determine various cations (commonly used in calcium, magnesium, iron, etc.). Metal masking agent. Complexometric titration of cobalt, copper, holmium, niobium, nickel, lead and rare earth metals. Color TV development. Printing and dyeing. Non toxic electroplating

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