1.03091

1,5-Diphenylcarbazide

GR for analysis and redox indicator ACS,Reag. Ph Eur

• Synonym(s): 1,5-Diphenylcarbazide
• Linear Formula: ((C₆H₅)NHNH)₂CO
• CAS Number: 140-22-7
• Molecular Weight: 242.28
• MDL number: MFCD00003013
• UNSPSC Code: 12352127
• EC Index Number: 205-403-7
• NACRES: NB.21

Properties

• grade: ACS reagent
• Quality Level: 100
• agency: reag. Ph. Eur.
• form: solid
• mp: 173-177 °C
• density: 1.31 g/cm³
• bulk density: 420 kg/m³
• storage temp.: 15-25°C
• InChI: 1S/C13H14N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14-15H,(H2,16,17,18)
• InChI key: KSPIHGBHKVISFI-UHFFFAOYSA-N

Description

Application

• Rapid assessment of soil accessible Cr(Ⅵ) in the field by a portable RGB color sensor.: This study details the use of a portable RGB color sensor for quick field assessment of Cr(VI) in soil, aiming to improve environmental monitoring techniques (Guo et al., 2024).



• Immobilization of diphenylcarbazide on paper-based analytical devices for the pre-concentration and detection of chromium VI in water samples.: This paper introduces a method for immobilizing diphenylcarbazide on paper-based analytical devices, enhancing the detection and pre-concentration of Cr(VI) in water, thus facilitating better environmental analysis (Ben Jaballah et al., 2023).



• Tailoring Acid Free-Paper based Analytical Devices (Af-PADs) via radiation assisted modification of cellulose paper.: The study explores the modification of cellulose paper through radiation to create acid-free paper-based analytical devices (Af-PADs) for enhanced analytical performance in chemical sensing (Rawat et al., 2023).



• Water Decontamination from Cr(VI) by Transparent Silica Xerogel Monolith.: This research presents a novel transparent silica xerogel monolith for efficient decontamination of Cr(VI) from water, offering a new approach to water purification technologies (Zannotti et al., 2023).

Analysis Note

Purity (DSC): ≥ 98
Identity (IR-spectrum): passes test
Solubility (according to ACS): passes test
substances insoluble in ethanol: passes test
Melting point: 173 - 176 °C
Diphenylcarbazone: passes test
Sulfated ash: ≤ 0.05 %
Sensitivity (to chromate): passes test

Safety Information

• pictograms: GHS07
• signalword: Warning
• hcodes: H315 - H319
• pcodes: P264 - P280 - P302 + P352 - P305 + P351 + P338 - P332 + P313 - P337 + P313
• Hazard Classifications: Eye Irrit. 2 - Skin Irrit. 2
• Storage Class: 11 - Combustible Solids
• wgk_germany: WGK 3
• flash_point_f: Not applicable
• flash_point_c: Not applicable