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Nitrilotriacetic acid

Nitrilotriacetic acid chemical structure
CAS Number139-13-9
FormulaN/A
Mol. Weight191.14 g/mol

What is Nitrilotriacetic acid?

Nitrilotriacetic acid is a chemical compound with CAS number 139-13-9. It is used in various industrial and research applications.

Applications

An excellent chelating agent.

Specifications

Linear Formula

N(CH2COOH)3

Molecular Weight

191.14 g/mol

Grade

ACS reagent<br/>for complexometry

Assay/Purity

≥99.0% (T)
≥99.0%

Safety Information

GHS07GHS07
GHS08GHS08
Signal Word

Warning

Hazard Statements

H302-H319-H351

Precautionary Statements

P281-P305 + P351 + P338

Required PPE

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

Melting Point

245 °C (dec.)(lit.)

Ignition Residue

≤0.1% (as SO4)

Anion Traces

chloride (Cl-): ≤100 mg/kg

Cation Traces

Ca: ≤10 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤7 mg/kg
K: ≤50 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Na: ≤500 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Zn: ≤5 mg/kg

EC Number

205-355-7

WGK Germany

2

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