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32319 Sigma

Diethylenetriaminepentaacetic acid

for complexometry, ≥99.0%

Synonym: (Carboxymethylimino)bis(ethylenenitrilo)tetraacetic acid, N,N-Bis(2-[bis(carboxymethyl)amino]ethyl)glycine, DETAPAC, DTPA, Penta(carboxymethyl)diethylenetriamine, Pentetic acid

  • CAS Number 67-43-6

  • Linear Formula [(HOOCCH2)2NCH2CH2]2NCH2COOH

  • Molecular Weight 393.35

  •  Beilstein Registry Number 1810219

  •  EC Number 200-652-8

  •  MDL number MFCD00004289

  •  PubChem Substance ID 329754138

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Properties

grade   for complexometry
InChI Key   QPCDCPDFJACHGM-UHFFFAOYSA-N
assay   ≥99.0% (KT)
  ≥99.0%
ign. residue   ≤0.05% (as SO4)
loss   ≤0.1% loss on drying, 20°C, HV
mp   219-220 °C(lit.)
anion traces   chloride (Cl-): ≤1000 mg/kg
  sulfate (SO42-): ≤200 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: ≤5 mg/kg
  K: ≤10 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

General description

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Other Notes

Complexing agent for the chelation of iron in solution

Same product — same quality — now Sigma brand

Price and Availability

Suggested Laboratory Gloves


Laboratory GlovesThis substance has been tested against several types of hand protection for CE compliance. Click below to find the recommended gloves for handling this product.



Safety & Documentation

Safety Information

Symbol 
Signal word 
Warning
Hazard statements 
Precautionary statements 
Target organs 
Respiratory Tract
Personal Protective Equipment 
RIDADR 
NONH for all modes of transport
WGK Germany 
2
Flash Point(F) 
392 °F
Flash Point(C) 
200 °C

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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