39070 Fluka

4-(Dimethylamino)benzaldehyde

for the determination of hydroxyproline, ≥99.0% (HPLC)

Synonym: Ehrlich’s reagent

Properties

Related Categories Aldehydes, Amines, Amino Acids, Analytical Reagents, Analytical Reagents for General Use,
assay   ≥99.0% (HPLC)
quality   for the determination of hydroxyproline
ign. residue   ≤0.1% (as SO4)
loss   ≤0.5% loss on drying
mp   72-75 °C(lit.)
  73-75 °C
anion traces   chloride (Cl-): ≤50 mg/kg
  sulfate (SO42-): ≤50 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: ≤10 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

Description

Application

Forms colored condensation products (Schiff bases) with pyrroles1 and primary amines.2

Other Notes

Analytical reagent for the determination of amino acids and peptides, amines, indoles, hydrazines and hydrogen peroxides; spray reagent for tryptophan3,4; For the determination of tryptophan in proteins5; Used in microbiology as test reagent for the identification of indole-producing microorganisms.; For Kovacs reagent dissolve 10 g 4-dimethylamino-benzaldehyde in 150 mL 1-pentanol and add 50 mL hydrochloric acid conc.

Price and Availability

Suggested Laboratory Gloves


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4-<WBR>(Dimethylamino)<WBR>benzaldehyde solution

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