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00681 Sigma-Aldrich

Phthaldialdehyde

puriss. p.a., ≥98.5% (HPLC)

Synonym: o-Phthalaldehyde, o-Phthalic dicarboxaldehyde, Benzene-1,2-dicarboxaldehyde, OPA

  • CAS Number 643-79-8

  • Empirical Formula (Hill Notation) C8H6O2

  • Molecular Weight 134.13

  •  Beilstein Registry Number 878317

  •  EC Number 211-402-2

  •  MDL number MFCD00003335

  •  PubChem Substance ID 24844938

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Properties

InChI Key   ZWLUXSQADUDCSB-UHFFFAOYSA-N
grade   puriss. p.a.
assay   ≥98.5% (HPLC)
impurities   ≤0.5% phthalic acid
ign. residue   ≤0.1% (as SO4)
mp   54-56 °C
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: ≤50 mg/kg
  Mg: ≤5 mg/kg
  Mn: ≤5 mg/kg
  Na: ≤50 mg/kg
  Ni: ≤5 mg/kg
  Pb: ≤5 mg/kg
  Zn: ≤5 mg/kg
storage temp.   2-8°C

Description

Application

For precolumn derivatization of amino acids for HPLC separation. For flow cytometric measurements of protein thiol groups.

Safety & Documentation

Safety Information

Symbol 
Signal word 
Danger
Hazard statements 
WGK Germany 
3
RTECS 
TH6950000
Flash Point(F) 
269.6 °F
Flash Point(C) 
132 °C

Documents

Certificate of Analysis

Protocols & Articles
Peer-Reviewed Papers
15

References

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