Dataset on Catal's reagent: Sensitive detection of iron (II) sulfate using spectrophotometry

Catal's reagent is characterized by spectroscopic methods such as fourier-transform infrared spectroscopy (FT-IR), nuclear magnetic resonance (NMR) spectroscopy, mass spectrometry (MS), ultraviolet (UV)–visible spectrophotometry. Effects of different solvents such as methanol and ethanol on absorption spectrum of 1-(Dodecylthio)anthracene-9,10-dione (3) were present. Detection range of iron (II) sulfate using Catal's reagent was analyzed. Synthesis of 1-(Dodecylthio)anthracene-9,10-dione (3) was explained, and absorbances of various concentrations of iron (II) sulfate (0- 10 mg mL−1) were measured. The possible detection mechanism was also explained. The dataset is useful to improve the detection of iron (II) sulfate in various application fields such as environmental, agricultural, sensor, food, textile and cement industries. The study refers to: F. Ozkok, Y.M. Sahin, V. Enisoglu-Atalay, K. Asgarova, N. Onul, T. Catal, Sensitive Detection of Iron (II) Sulfate with a Novel Reagent using Spectrophotometry, Spectchim. Acta. A, 240 (2020), 118631. https://doi.org/10.1016/j.saa.2020.118631.

Analytical chemistry Type of data Table and figure How data were acquired The data were acquired: FT-IR, NMR, mass spectrometry, UV-vis spectrophotometry Data format Raw and Analyzed Parameters for data collection 1-(Dodecylthio)anthracene-9,10-dione was synthesized in the laboratory.

Description of data collection
Catal's reagent was prepared and examined using traditional methods. The data were collected after confirmation of the structure of 1-(Dodecylthio)anthracene-9,10-dione. UV-vis spectrophotometer, FT-IR, 1H-NMR, 13C-NMR, mass spectrometer were used in the data collection.

Data accessibility
With Value of the data • A database of Catal's reagent is essential for characterization of 1-(Dodecylthio)anthracene-9,10-dione (3) • The data are key for examining iron (II) sulfate in various samples.
• These data are an important reference source for research on developing novel studies to use Catal's reagent.

Experimental design, materials and methods
Novel thio anthraquinone derivative (1-(Dodecylthio)anthracene-9,10-dione) was synthesized by this novel method for scientific applications [1] . Chemical structure of novel thio anthraquinone compound ( 3 ) was characterized by spectroscopic methods such as FT-IR, NMR, MS, Table 1 Absorbances of several compounds at the concentration of 10 mg mL −1 in distilled water. The examined molecules were not reacted with Catal's reagent under the examined conditions.

Compound
Absorbance ( (UV)-visible spectrophotometry, and the structure of the compound was confirmed. The thio anthraquinone derivative, 1-(Dodecylthio)anthracene-9,10-dione (3), was dissolved in the following organic solvents to prepare the reactant named as Catal's reagent: Ethanol and methanol ( Fig. 1 ). Tetra JASCO 6600 spectrometer used for fourier transform infrared (FT-IR) spectra, and Tetra JASCO V 750 spectrometer recorded Ultraviolet-visible spectra. A Varian UNITY INOVA at 500 MHz was used for 1 HNMR and 13 C NMR spectra. Mass spectra was recorded on (Shimadzu, Kyoto-Japan) LCMS-8030 triple quadrupole spectrometer in ESI ( + ) polarity. The absorbances were measured at 304 nM of wavelength using a UV-visible spectrophotometer in air (Shimadzu UV-2600, Cat. No. 206-27600-45, Kyoto, Japan). The reaction mixture was prepared as follow; 1-(Dodecylthio)anthracene-9,10-dione (3) (20 mg) was added to either ethanol, methanol or acetonitrile (60 mL) in order to prepare Catal's reagent. Catal's reagent (50 μL) was mixed with iron (II) sulfate solution (100 μL). Finally, H 2 O 2 solution (17.5 percent in distilled water, v:v) (50 μL) was added to the mixture. 30 mM of trisodium citrate dihydrate (9 mL) was then used to stabilize pH changes. In advance, different rations of the compounds could be used to enhance the sensitivity of the reaction with Catal's reagent. Catal's reagent can be used for spectrophotometric and colorimetric detection of iron (II) sulfate [4] .