975-17-7 Usage
Uses
Used in Analytical Chemistry:
Phenylfluorone serves as a spectrophotometric reagent for the detection and quantification of certain heavy metals. Its application is instrumental in providing accurate measurements and analysis in various chemical and environmental assessments.
Used in Heavy Metal Detection:
Phenylfluorone is used as a reagent for the spectrophotometric determination of heavy metals such as copper(II), germanium, and molybdenum(VI). Its ability to interact with these metals allows for their detection and quantification, which is crucial in environmental monitoring and industrial processes.
Used in Blood Serum Analysis:
In the medical field, Phenylfluorone is utilized in conjunction with cetylpyridinium chloride for the spectrophotometric determination of copper(II) in blood serum. This application aids in diagnosing and monitoring conditions related to heavy metal exposure or imbalances.
Used in Environmental Assessment:
Phenylfluorone plays a significant role in environmental studies, where it is employed to determine the presence and concentration of heavy metals in various samples such as water, soil, and air. This information is vital for understanding the impact of heavy metal pollution and implementing appropriate remediation measures.
Purification Methods
Recrystallise it from warm, acidified EtOH by addition of ammonia. The crude material (1g) can be extracted with EtOH (50mL) in a Soxhlet apparatus for 10hours to remove impurities. Impurities can be detected by paper electrophoresis. The triacetate forms yellow needles from EtOH (m 230-233o). [Petrova et al. Anal Lett 5 695 1972, Beilstein 18 H 199, 18 I 404, 18 III/IV 2824.]
Check Digit Verification of cas no
The CAS Registry Mumber 975-17-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,7 and 5 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 975-17:
(5*9)+(4*7)+(3*5)+(2*1)+(1*7)=97
97 % 10 = 7
So 975-17-7 is a valid CAS Registry Number.
InChI:InChI=1/C19H12O5/c20-13-6-11-17(8-15(13)22)24-18-9-16(23)14(21)7-12(18)19(11)10-4-2-1-3-5-10/h1-9,20-22H
975-17-7Relevant academic research and scientific papers
Crystallographic studies on a series of salts of 2,3,7-trihydroxy-9-phenyl-fluorone
Abrahams, Brendan F.,McCormick, Laura J.,Robson, Richard
experimental part, p. 466 - 471 (2009/07/18)
2,3,7-Trihydroxy-9-phenyl-fluorone (hereafter H3Z) has been synthesised in its H4Z+, H3Z, H2Z- and Z3- protonation states. X-ray crystal structure determinations have been carried out for (H4Z)(HSO4), H3Z, [EtiPr2NH]H2Z, solvated (PPh4)H2Z and solvated K3Z. In each of these salts the 9-phenyl group adopts a different orientation so as to be involved in intermolecular aromatic interactions. The 3- and 6-phenolic carbon-oxygen bond lengths show that double bond character can be delocalised from the ketone to the deprotonated phenoxide across the conjugated π system of the fluorone.
Reliable synthesis of 9-aryl-substituted 2,6,7-trihydroxyxanthen-3-ones
Schrick, Petra,Geick, Klaus,Waldvogel, Siegfried R.
experimental part, p. 2211 - 2216 (2009/04/06)
2,6,7-Trihydroxyxanthen-3-ones are reliably prepared by a one-pot protocol using alkali peroxosulfates in the key step. NMR spectra in deuterated sodium hydroxide confirm the anticipated structures and allow the determination of the dye contents by an internal standard. Georg Thieme Verlag Stuttgart.
