Synthesis of schiff base compound from vanillin and aniline volume variations of acid catalyst from Belimbing Wuluh using grindstone method

Abdurrafi, Faris Faruq Husamuddin and Hanapi, Ahmad and Ningsih, Rachmawati (2020) Synthesis of schiff base compound from vanillin and aniline volume variations of acid catalyst from Belimbing Wuluh using grindstone method. Presented at The 10th International Conference on Green Technology (ICGT) "Empowering the Fourth Industrial Revolution through Green Science and Technology", 2-3 October 2019, Malang, Indonesia.

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Abstract

Schiff base compound was a product between carbonyl and primary amine compounds in acidic conditions. Based on several studies, the compound had activity as a corrosion inhibitor. Schiff base compounds were synthesized from vanillin and aniline using natural acid catalysts from Belimbing Wuluh (Averrhoa Blimbi L.) with volume variations 0; 0.25; 0.5; and 1 mL and grinded for 10 minutes. The synthesized compound was characterized by its physical properties. Further characterization included a UV-Vis spectrophotometer, FTIR and GC-MS. The corrosion inhibition efficiency on metals was carried out in HCl 1M. Synthesized compounds were yellowish-white solids, slightly soluble in water, and had a melting point at 149-151°C. The yield with volume variations 0; 0.25; 0.5; and 1 mL in a row were 96.84; 93.81; 92.45 and 89.69%. The synthesized compound had wavelengths 283-284 and 325-330 nm. This compound had an imine bond (-C=N-) with wavenumber 1584.909 – 1585.974 cm−1. The product with a 0 mL catalyst was characterized by GC-MS and showed a peak with retention time 24.173 minutes and m/z 227. It had a similarity with the molecular weight of the 2-methoxy-4- ((phenylamino)methyl)phenol compound. The inhibition efficiency of these compounds was 39.38 to 77.40%.

Item Type: Conference (Speech)
Keywords: schiff base; vanillin; aniline; Belimbing Wuluh; grindstone method
Subjects: 03 CHEMICAL SCIENCES > 0305 Organic Chemistry > 030504 Organic Green Chemistry
Divisions: Faculty of Mathematics and Sciences > Department of Chemistry
Depositing User: Ahmad Hanapi
Date Deposited: 24 Jun 2021 08:44

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