16574-43-9

Basic information

• Product Name: Bromopyrogallol Red
• Synonyms: spiro[3h-2,1-benzoxathiole-3,9’-[9h]xanthene]-3’,4’,5’,6’-tetrol,2’,7’-dibromo;5',5''-DIBROMOPYROGALLOLSULFONEPHTHALEIN;BROMOPYROGALLOL RED;DIBROMOPYROGALLOLSULFONPHTHALEINE;alpha-(5-bromo-2,3-dihydroxy-4-oxo-2,5-cyclohexadienylidene)-alpha-(5-bromo-2,3,4-trihydroxyphenyl)toluenesulphonic acid;Bromopyrogallol;ROUGE DE BROMOPYROGALLOL;BROMOPYROGALLOL RED, INDICATOR GRADE
• CAS NO: 16574-43-9
• Molecular Formula: C19H10Br2O8S
• Molecular Weight: 558.15
• EINECS: 240-632-6
• Product Categories: Analytical Chemistry;Bipyridyls, etc. (Chelating Reagents);Chelating Reagents
• Mol File: 16574-43-9.mol
• Article Data: 0

Chemical Properties

• Melting Point: 300 °C
• Boiling Point: 681.206 °C at 760 mmHg
• Flash Point: 365.781 °C
• Appearance: green to dark brown crystalline powder
• Density: 2.399 g/cm³
• Vapor Density: 19.2 (vs air)
• Storage Temp.: 2-8°C
• PKA: 6.63±0.20(Predicted)
• Water Solubility: slightly soluble
• CAS DataBase Reference: Bromopyrogallol Red(CAS DataBase Reference)
• NIST Chemistry Reference: Bromopyrogallol Red(16574-43-9)
• EPA Substance Registry System: Bromopyrogallol Red(16574-43-9)

Safety Data

• Hazard Codes: Xn
• Statements: 20/21/22-36/37/38
• Safety Statements: 24/25-22-36-26
• TSCA: Yes
• Hazardous Substances Data: 16574-43-9(Hazardous Substances Data)

Usage

Chemical Properties

green to dark brown crystalline powder

Uses

Bromopyrogallol Red (cas# 16574-43-9) is a useful indicator which has been used in the detection of metals (such as Ca, Mg) and metal ions in water. Colorimetric sensor arrays have also been used for the quantitative analysis of modeled ATP hydrolysis in water.

Purification Methods

Crystallise the dye from 50% EtOH, or aqueous alkaline solution followed by acidification. It is a metal chromic indicator. [Suk Collect Czech Chem Commun 31 3127 1966, Beilstein 19/10 V 226].

InChI:InChI=1/C19H12Br2O9S/c20-10-5-8(14(22)18(26)16(10)24)13(7-3-1-2-4-12(7)31(28,29)30)9-6-11(21)17(25)19(27)15(9)23/h1-6,18,23,25-27H,(H,28,29,30)/p-1/b13-8-/t18-/m0/s1

Related news

Proton nuclear magnetic resonance study of the solubilization site of Bromopyrogallol Red (cas 16574-43-9) in aqueous cationic/nonionic mixed micellar solutions08/19/2019

The solubilization site of bromopyrogallol red (BPR) in cetyltrimethylammonium bromide (CTAB)/Triton X-100(TNX) mixed micellar solutions was studied by the pulsed FT NMR technique. The changes in the chemical shifts of the individual groups of protons in the two surfactant molecules indicated th...detailed

Nanoporous TiO2 solar cells sensitized with iron(II) complexes of Bromopyrogallol Red (cas 16574-43-9) ligand08/18/2019

Complexation of bromopyrogallol ligand with di(aqua)bis(oxalato)iron(II) moiety, [Fe(II)(H2O)2(C2O4)1]2−, shows enhanced photovoltaic properties when compared with the photovoltaic cells coated by bromopyrogallol ligand only. Electrochemical and absorption spectroscopic data suggest the nature o...detailed

A new application of Bromopyrogallol Red (cas 16574-43-9) as a selective and sensitive competition assay for recognition and determination of acetate anion in DMSO/water media08/17/2019

Bromopyrogallol red, BPR, (2-(2,7-dibromo-4,5,6-trihydroxy-3-oxo-3H-xanthen-9-yl) benzenesulphonic acid, Scheme 1) as a new chromogenic anion receptor, can selectively and efficiently be applied for detection of AcO− over wide range of anions such as BzO−, F−, Cl−, Br−, OH−, I−, NO3−, HSO4−, CN−...detailed

Study and analytical application of Bromopyrogallol Red (cas 16574-43-9) as a hydrogen donor substrate for peroxidase08/15/2019

Bromopyrogallol red is used as a hydrogen donor substrate for peroxidase. The steady-state catalytic rate depends upon enzyme and substrate concentrations, and the Michaelis–Menten parameters Km and Vmax are measured at pH 6.2 to be 2.07×10−5 mol l−1 and 1.62×10−7 mol l−1 s−1, respectively. T...detailed

A study of the interaction between Bromopyrogallol Red (cas 16574-43-9) and bovine serum albumin by spectroscopic methods08/14/2019

The mechanism of binding of bromopyrogallol red (BPR) with bovine serum albumin (BSA) was investigated by fluorescence, absorption, circular dichroism (CD) and lifetime measurements. The analysis of fluorescence data indicated the presence of both dynamic and static quenching mechanism in the bi...detailed

Electrochemical degradation of Bromopyrogallol Red (cas 16574-43-9) in presence of cobalt ions08/12/2019

This paper summarizes the results of a degradation test of bromopyrogallol red (BPR) and textile dye wastewater (TDW) with a conventional three-electrode potentiostatic system in the presence of cobalt ions (electro Co2+–H2O2 system). H2O2, produced by the two-electron reduction of O2 at the ca...detailed

Colorimetric detection of copper and chloride in DMSO/H2O media using Bromopyrogallol Red (cas 16574-43-9) as a chemosensor with analytical applications08/11/2019

We report bromopyrogallol red (BPR) as an easily available dye for detection of copper and chloride with distinct visual color changes in DMSO/H2O (9:1 v/v). The chemosensor has a high chromogenic selectivity for Cu2+ over other cations with detection limit of 0.07 μg mL−1. The obtained complex...detailed