538-62-5 Usage
Description
DIPHENYLCARBAZONE, also known as Phenylcarbazone, is an organic compound that appears as an orange powder. It is widely recognized for its sensitivity as a reagent, particularly in the detection and determination of mercury.
Uses
Used in Chemical Analysis:
DIPHENYLCARBAZONE is used as an indicator for the detection of mercury (Hg), forming a blue-colored complex when it reacts with the metal. This characteristic makes it a valuable tool in chemical analysis and laboratory settings for identifying and quantifying mercury content in various samples.
Used in Environmental Testing:
In the environmental industry, DIPHENYLCARBAZONE is used as a reagent for mercury determination. It plays a crucial role in monitoring and assessing mercury pollution levels in water, soil, and air samples, contributing to the protection of ecosystems and human health from the harmful effects of mercury contamination.
Used in Pharmaceutical and Medical Research:
DIPHENYLCARBAZONE's sensitivity to mercury also makes it useful in pharmaceutical and medical research. It can be employed as a diagnostic tool to detect mercury intoxication or to study the effects of mercury on biological systems. Additionally, its reactivity with mercury can be utilized in the development of new drugs or therapies targeting mercury-related conditions.
Purification Methods
It crystallises from EtOH (ca 5mL/g), and dry the orange-red needles at 50o. A commercial sample, nominally sym-diphenylcarbazone (m 154-156o) was a mixture of diphenylcarbazide and diphenylcarbazone. The former was removed by dissolving 5g of the crude material in 75mL of warm EtOH, then adding 25g Na2CO3 dissolved in 400mL of distilled water. The alkaline solution was cooled and extracted six times with 50mL portions of diethyl ether (discarded). Diphenylcarbazone was then precipitated by acidifying the alkaline solution with 3M HNO3 or glacial acetic acid. It was filtered off, air dried, and stored in the dark [Gerlach & Frazier Anal Chem 30 1142 1958]. Other impurities are phenylsemicarbazide and diphenylcarbodiazone. Impurities can be detected by chromatography [Willems et al. Anal Chim Acta 51 544 1970]. It is used for detection and estimation of Hg, Zn, Cd, Cr, Cu, Fe and Mo [Cheng et al. Handbook of Organic Analytical Reagents, Boca Baton 277 1982, Beilstein 16 H 24, 16 IV 17.]
Check Digit Verification of cas no
The CAS Registry Mumber 538-62-5 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 5,3 and 8 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 538-62:
(5*5)+(4*3)+(3*8)+(2*6)+(1*2)=75
75 % 10 = 5
So 538-62-5 is a valid CAS Registry Number.
InChI:InChI=1/C13H12N4O/c18-13(16-14-11-7-3-1-4-8-11)17-15-12-9-5-2-6-10-12/h1-10,14H,(H,16,18)/b17-15-
538-62-5Relevant articles and documents
Rhodamine B degradation and reactive oxygen species generation by a ZnSe-graphene/TiO2 sonocatalyst
Zhu, Lei,Jo, Sun-Bok,Ye, Shu,Ullah, Kefayat,Oh, Won-Chun
, p. 1825 - 1832 (2014)
Nanostructured ZnSe-graphene/TiO2 was synthesized by a hydrothermal-assisted approach. ZnSe-graphene/TiO2 exhibited favorable adsorption of rhodamine B, a wide wavelength absorption range, and efficient charge separation. Reactive oxygen species were generated by the oxidation of 1,5-diphenyl carbazide to 1,5-diphenyl carbazone. The sonocatalytic reaction mechanism was proposed. These findings potentially broaden the applications of sonocatalytic technologies.
Solid state selective synthesis of diaryl carbazone
Xiao,Wang,Zhou
, p. 661 - 665 (2001)
The selective synthesis of diaryl carbazone using K3Fe(CN)6 as oxidant under alkaline condition in solid state is reported for the first time. Eight diaryl carbazone have been synthesized in excellent yields, and this method only needs cheap reagents, and simple procedure under mild condition.
Rapid synthesis of diaryl carbazone by N-bromosuccinimide and pyridine as the oxidation system
Wang, Yu-Lu,Duan, Zhi-Fang,Shi, Lei,Wang, Xiao-Yang,Li, Jian-Ping
, p. 423 - 428 (1999)
A new and rapid synthetic method of diaryl carbazone (ArN=NCONHNHAr) from aryl substituted carbazide is reported for the first time. Eight of the compounds were prepared by oxidation of aryl substituted carbazide using N- Bromosuccinimide and pyridine as the oxidation system in good yield under mild condition. This method only need simple instrument and short reaction time. A possible mechanism is suggested.
A facile preparation of graphene-based MxSy visible light driven photocatalyst and study of photochemically generating of oxygen species
Zhu, Lei,Sarkar, Sourav,Ye, Shu,Ullah, Kefayat,Meng, Ze-Da,Oh, Won-Chun
, p. 1693 - 1700 (2015)
The as-synthesized graphene-MxSy (Sb2S3, MnS2, SnS) composites via a facile hydrothermal method efficiently catalyzed the photodegradation of methylene orange (MO) with high concentration in aqueous solutions under visible light irradiation. The generation of reactive oxygen species were detected through the oxidation reaction from 1,5-diphenyl carbazide (DPCI) to 1,5-diphenyl carbazone (DPCO). Based on the high photocatalytic activity, the graphene-SnS composite can be expected to be a practical visible light photocatalyst.