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4-(Dimethylamino)-benzaldehyde, 25 g

≥98 %, p.a., ACS
Pack Qty.
p-Formyldimethylanilin, Ehrlich's Reagent
Empirical formula C9H11NO
Density (D) 1,22 g/cm³
Boiling point (bp) 330 °C
Flash point (flp) 164 °C
Melting point (mp) 70,7 °C
CAS No. 100-10-7
EG-Nr. 202-819-0

Reagent for the detection of nitrogen containing compounds.

€56.90/Pack Qty. 

excl. VAT. | 25 g per Pack Qty.

Art. No. X867.1

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X867.1 25 g plastic


X867.2 100 g plastic


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Downloads / MSDS

General information

Further attractive products to complete your chromatography laboratory can be found on our Chromatography page!

Thin Layer Chromatography (TLC)

Although the principle of thin-layer chromatography is more than a century old, it did not make its breakthrough as an analytical method until about 50 years ago.
Thanks to the development of new sorbents and supports, as well as increasing instrumentation and automation, TLC has become a versatile separation method. It is used both in qualitative analysis and in quantitative analysis.
Applications range from simple manual separation processes in classic TLC to automated processes in HPTLC (high performance thin layer chromatography).

Advantages of thin layer chromatography:

  • Higher sample throughput in less time
  • Suitable for screening tests
  • Pilot process for HPLC
  • The ready-to-use TLC layer functions as a data storage device for separation results
  • The separated substances can be used later for further analysis (e.g. IR, MS)
  • By switching the mobile and the stationary phases, the separation process can be optimised quickly and cost-efficient

Indicators and Dyes

Carl ROTH offers many indicators and dyes of high purity, which can be used in special applications.

Certificates of Analysis

You can search for and download your certificate of analysis for the selected product here. Please provide your batch number.
The following analysis certificates have been found:

Guarantee analysis

Assay (GC)≥98,0 %
Solubility (in ethanol)complies
Color in ethanol≤60 Hazen
Solubility in HClcomplies
Color of the solution in HClcomplies
Melting point73-75 °C
Ash content (as SO4)≤0,1 %
Calcium (Ca)≤0,005 %
Cadmium (Cd)≤0,0005 %
Cobalt (Co)≤0,0005 %
Chromium (Cr)≤0,0005 %
Copper (Cu)≤0,0005 %
Iron (Fe)≤0,01 %
Potassium (K)≤0,005 %
Manganese (Mn)≤0,0005 %
Sodium (Na)≤0,05 %
Nickel (Ni)≤0,0005 %
Lead (Pb)≤0,0005 %
Zinc (Zn)≤0,005 %