Yellow 43/116 CAS 19125-99-6
Introduction
Solvent Yellow 43 is an organic solvent with the chemical name of Pyrrole Sulfonate Yellow 43. It is a dark yellow powder that dissolves in water.
Solvent yellow 43 is often used as a dye, pigment and fluorescent probe.
There are several methods for preparing solvent yellow 43, one of which is to react 2-ethoxyacetic acid with 2-aminobenzene sulfonic acid in a ketone solvent, and obtain the final product through acidification, precipitation, washing and drying.
It is an organic compound that has a certain toxicity and can cause irritation and allergic reactions in contact with the skin or inhalation of its dust. Wear protective gloves and goggles when operating, and ensure that it is carried out in a well-ventilated area. Also, never mix with substances such as oxidants and strong acids to avoid chemical reactions and create hazards.