Nitrilotriacetic acid

• Catalog No.: 72559
• CAS Number: 139-13-9
• M. F.: C6H9NO6
• M. W.: 191.13876
• Purity: ≥99.0% (T)

SYNONYMS

• Title: 次氮基三乙酸
• IUPAC name: 2-[bis(carboxymethyl)amino]acetic acid
• IUPAC Traditional name: nitrilotriacetic acid
• Synonyms: NTA; Tris(carboxymethyl)amine; N,N-二(羧甲基)甘氨酸; N,N-Bis(carboxymethyl)glycine; 三(羧甲基)胺

DATABASE IDS

• PubChem SID: 24886420
• EC Number: 205-355-7
• CAS Number: 139-13-9
• Beilstein Number: 1710776
• MDL Number: MFCD00004287

PROPERTIES

• Antion Traces: chloride (Cl-): ≤100 mg/kg
• Cation Traces: Al: ≤20 mg/kg
• Cation Traces: As: ≤0.1 mg/kg
• Cation Traces: Ba: ≤5 mg/kg
• Cation Traces: Bi: ≤5 mg/kg
• Cation Traces: Ca: ≤10 mg/kg
• Cation Traces: Cd: ≤5 mg/kg
• Cation Traces: Co: ≤5 mg/kg
• Cation Traces: Cr: ≤5 mg/kg
• Cation Traces: Cu: ≤5 mg/kg
• Cation Traces: Fe: ≤5 mg/kg
• Cation Traces: K: ≤50 mg/kg
• Cation Traces: Li: ≤5 mg/kg
• Cation Traces: Mg: ≤5 mg/kg
• Cation Traces: Mn: ≤5 mg/kg
• Cation Traces: Mo: ≤5 mg/kg
• Cation Traces: Na: ≤500 mg/kg
• Cation Traces: Ni: ≤5 mg/kg
• Cation Traces: Pb: ≤5 mg/kg
• Cation Traces: Sr: ≤5 mg/kg
• Cation Traces: Zn: ≤5 mg/kg
• Ignition Residue: ≤0.05%
• Impurities: insoluble matter, passes filter test
• λ: 0.1 M in 1 M NaOH
• Linear Formula: N(CH2COOH)3
• Loss on Drying: ≤0.1% loss on drying, 110 °C
• Product Line: BioUltra
• Purity: ≥99.0% (T)
• Absorption Wavelength: λ: 260 nm Amax: 1.5
• Absorption Wavelength: λ: 280 nm Amax: 0.05
• Flash Point: 100 °C
• Flash Point: 212 °F
• Melting Point: 245 °C (dec.)(lit.)
• Solubility: 0.1 M NaOH: soluble0.1 M at 20 °C, clear, colorless
• GHS Signal Word: Warning
• GHS Hazard statements: H302-H319-H351
• European Hazard Symbols: Harmful (Xn)
• Personal Protective Equipment: Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges
• GHS Precautionary statements: P281-P305 + P351 + P338
• Risk Statements: 22-36-40
• RTECS: AJ0175000
• Safety Statements: 26-36/37
• German water hazard class: 2

DETAILS

Description (English)

Application
An excellent chelating agent.
Other Notes
Chelating agent1; As Pb2+ buffer, preparation and properties2; In a mixture of Ca2+-buffering ligands3; Encapsulation of radioactive metal ions in liposomes4; Compilation and critical evaluation by IUPAC of published data on stability constants of NTA complexes in solution5.

Description (简体中文)

Application
一种优质的螯合剂。
Other Notes
Chelating agent1; As Pb2+ buffer, preparation and properties2; In a mixture of Ca2+-buffering ligands3; Encapsulation of radioactive metal ions in liposomes4; Compilation and critical evaluation by IUPAC of published data on stability constants of NTA complexes in solution5.