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1-Anthraquinonesulfonic acid sodium salt 128-56-3
Category : Dyestuffs and Pigments
CAS NO : 128-56-3 EC NO : 204-894-5 MF : C14H7O5S MW : 287.2679 Specification : 99% min Packing : 25kg 50kg drum or bag Product description : What is the chemical of 1-Anthraquinonesulfonic acid sodium salt ? Appearance: Cream to yellow crystalline powder Assay: 99% min by HPLC IR Identity: conform to standard HNMR： conform to standard carbon spectrum: conform to standard Water by K. F.:0.5% max or as per the customer’s request Loss on drying:0.5% max. or as per the customer’s request Melting point: >300 ° C (decomposition); =============================================================================== Usage: Mainly used as a dye intermediate, it is also used for the synthesis of anthraquinone dyes, indicators, and precursors of sulfonated products in certain organic synthesis reactions. ============================================================================== Synthesis route: Anthraquinone is usually sulfonated with fuming sulfuric acid or chlorosulfonic acid to obtain anthraquinone-1-sulfonic acid, which is then neutralized with sodium hydroxide to form a sodium salt; In industry, anthraquinone can be directly sulfonated and its alpha isomer can be separated. Uses : Dye intermediate: Sodium anthraquinone-1-sulfonate is mainly used in the dye industry as an important intermediate for the production of various dyes Industrial production: This compound is also used in other industrial production processes Supplementary Synonyms : 1-anthracenesulfonic acid, 9,10-dihydro-9,10-dioxo-, sodium salt (1:1);204-894-5;Sodium 9,10-dioxo-9,10-dihydroanthracene-1-sulfonate;SODIUM BETA-ANTHRAQUINONESULFONATE;9,10-dioxo-9,10-dihydroanthracene-1-sulfonate;1-Anthraquinone sulfonic acid sodium salt;1-Anthraquinonesulfonic acid sodium salt; Molecular Structure : 
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1-Anthraquinonesulfonic acid sodium salt