Food Yellow No. 4 CAS NO.1934-21-0

located in zhengdong new district, zhengzhou of henan province, henan allgreen chemical co.,ltd is comprehensive high-tech modern enterprises integrating professional r&d, production and sales. strong technical force, with a long-term professional development team engaging in the fine chemicals, henan allgreen chemical co.,ltd is mainly engaged in development and customized of organic electronic chemical materials, metal catalysts, phosphorus ligands, medical intermediate , chemical reagent and other fine chemical products.we have multifunctional production conditions and could offer high quality products from grams to kilograms and tons. in addition, we absorb new technology actively from colleges and also have established good relations of cooperation with huazhong university of science and technology ,henan institute of engineering and some other well-known domestic enterprises. our products have been exported to japan, south korea, europe, america and other countries and regions, well received by customers.

with sound management system, we've been authorized the import&export qualification by the government and also has passed the “iso 9001-2008 quality management system” certification. we always stand on the quality of product as our life, develop in the direction of customers requirement and aim at creating greater value for customers.innovation and honesty, we will make common development with the masses of customers at home and abroad hand in hand by our best service.

acid yellow 23 basic information

product name:	acid yellow 23
synonyms:	ci no 19140;ci acid yellow 23;ci 19140;e102;lake tartrazine;kiton yellow t;hydrazine yellow;food yellow no 4
cas:	1934-21-0
mf:	c16h9n4na3o9s2
mw:	534.36
einecs:	217-699-5
product categories:	dyes and pigments;organics;analytical chemistry;food colors by food sanitation law in japan;aromatics;heterocycles;intermediates & fine chemicals;pharmaceuticals;sulfur & selenium compounds
mol file:	1934-21-0.mol