Catalog No.: AR020-100ML
Usually Shipped in: 1-2 Weeks
For lab/research use only, unless otherwise specified
- Product Details
Ehrlich’s Reagent is supplied by Micromaster. It is available in the form of a light yellow coloured solution with characteristic odour. It is advisable to store this product below 30⁰C in a tightly closed container.
• Quantity provided: 100 mL/Bottle
Ehrlich’s Reagent contains p-dimethylaminobenzaldehyde (DMAB) and thus can act as an indicator to presumptively identify indoles and urobilinogen. Several Ehrlich tests use the reagent in a medical test; some are drug tests and others contribute to diagnosis of various diseases or adverse drug reactions. A very common Ehrlich test is a simple spot test to identify possible psychoactive compounds such as tryptamines (e.g. DMT) and ergoloids (e.g. LSD). The reagent will also give a positive result for opium, despite the opiates not containing the indole functional group, because of the presence of tryptophan in natural opium. Ehrlichs aldehyde reagent is used to detect urobilinogen in urine. Urobilinogen is one of the bile pigments found in urine in case of liver defects, (epidemic icterus, cirrhosis) or as a result of excessive formation of bilirubin (haemolytic jaundice). The colourless urobilinogen reacts with Ehrlichs aldehyde reagent in an acidic medium to form pink-red condensing products. It should be noted that Ehrlich's reagent reacts with substances other than urobilinogen e.g phenazopyridium and forms red colour.