• USA Home
  • 72560 - Nitrilotriacetic acid

EMAIL THIS PAGE TO A FRIEND
72560 Sigma-Aldrich

Nitrilotriacetic acid

ACS reagent, ≥99.0%

Synonym: N,N-Bis(carboxymethyl)glycine, NTA, Tris(carboxymethyl)amine

  • CAS Number 139-13-9

  • Linear Formula N(CH2COOH)3

  • Molecular Weight 191.14

  •  Beilstein Registry Number 1710776

  •  EC Number 205-355-7

  •  MDL number MFCD00004287

  •  PubChem Substance ID 57652425

Purchase

Properties

Related Categories Acids, Acids & Bases, Analytical Reagents, Analytical Reagents for General Use, Analytical/Chromatography,
grade   ACS reagent
InChI Key   MGFYIUFZLHCRTH-UHFFFAOYSA-N
assay   ≥99.0% (T)
  ≥99.0%
ign. residue   ≤0.1% (as SO4)
loss   ≤0.1% loss on drying
mp   245 °C (dec.)(lit.)
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

Description

Application

An excellent chelating agent.

Price and Availability


Laboratory Gloves
Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
RTECS 
AJ0175000
Flash Point(F) 
212 °F
Flash Point(C) 
100 °C
Protocols & Articles

Related Content

Molarity Calculator and Normality Calculator for Acids and Bases

The molarity calculator tool provides lab-ready directions describing how to prepare an acid or base solution of specified Molarity (M) or Normality (N) from a concentrated acid or base solution.  To...

Peer-Reviewed Papers
15

References

Related Products

Technical Service:

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Bulk Ordering & Pricing:

Need larger quantities for your development, manufacturing or research applications?