Diphenylcarbazide
98%, white powder
Reagent
Code: #168188
Alias
diphenylamine urea; diphenylcarbazine, diphenylcarbazine, 1,5-diphenylcarbonylhydrazine, homodiphenylcarbazine, symmetric diphenylcarbonyldihydrazine, diphenylcarbazine, diphenylcarbazine, carbonylbisphenylhydrazine, diphenylcarbazine, symmetric diphenylcarbazine, 2,2'-diphenylcarbazine, 1,5-diphenylcarbazine
CAS Number
140-22-7
science Other reagents with same CAS 140-22-7
blur_circular Chemical Specifications
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Molecular Information
Weight
242.28 g/mol
Formula
C₁₃H₁₄N₄O
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Registry Numbers
EC Number
205-403-7
MDL Number
MFCD00003013
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Physical Properties
Melting Point
170-175 °C(lit.)
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Storage & Handling
Storage
2~8°C, avoiding light
description Product Description
Used as a sensitive analytical reagent for the detection and spectrophotometric determination of heavy metal ions, especially chromium(VI). It forms a highly colored complex with chromium(VI) in acidic medium, which can be measured visually or with a spectrophotometer at around 540 nm. This reaction is selective and allows detection at trace levels, making it valuable in environmental monitoring of water and wastewater. Also applied in the determination of other oxidizing agents such as mercury, iron(III), and cerium when they induce oxidation of diphenylcarbazide to form colored products. Commonly used in test kits and field analysis due to its simplicity and reliability.
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