Dragendorff reagent

Cat. No.: HY-159051: Data Sheet
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Dragendorff reagent is used for detecting alkaloids and other nitrogen-containing compounds. Dragendorff reagent is a solution of potassium bismuth iodide composing of Basic bismuth nitrate (Bi(NO₃)₃), Tartaric acid (HY-N2436), and Potassium iodide (KI). When contact with alkaloids, Dragendorff reagent produces an orange or orange red precipitate.

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Dragendorff reagent Chemical Structure

CAS No. : 39775-75-2

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Solvent
10 mL	In-stock	Estimated Time of Arrival: December 31
Solvent
25 mL	In-stock	Estimated Time of Arrival: December 31
Solvent
50 mL	In-stock	Estimated Time of Arrival: December 31
Solvent
100 mL	In-stock	Estimated Time of Arrival: December 31
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Description	Dragendorff reagent is used for detecting alkaloids and other nitrogen-containing compounds. Dragendorff reagent is a solution of potassium bismuth iodide composing of Basic bismuth nitrate (Bi(NO₃)₃), Tartaric acid (HY-N2436), and Potassium iodide (KI). When contact with alkaloids, Dragendorff reagent produces an orange or orange red precipitate^[1].
Molecular Weight	755.70
Formula	KBiI₄
CAS No.	39775-75-2
Appearance	Liquid
Color	Yellow to orange
SMILES	[K][Bi](I)(I)(I)I
Shipping	Room temperature in continental US; may vary elsewhere.
Storage	4°C, sealed storage, away from moisture *In solvent : -80°C, 6 months; -20°C, 1 month (sealed storage, away from moisture)
Purity & Documentation	Select Batch: Data Sheet (264 KB) SDS (252 KB) COA (247 KB) Handling Instructions (2659 KB)
References	[1]. A Raal, et al. Dragendorff's reagent: Historical perspectives and current status of a versatile reagent introduced over 150 years ago at the University of Dorpat, Tartu, Estonia. Pharmazie. 2020 Jul 1;75(7):299-306. [Content Brief]