Products Description
Introduction and application of CAS:16423-68-0| ERYTHROSIN B
Erythrosine B, also known as tetraiodofluorescein B, is a red or reddish-brown granule or powder, odorless, easily soluble in water, soluble in ethanol, propylene glycol and glycerin, and insoluble in fat. It has good dyeing properties, especially for proteins. Application Compared with other synthetic red pigments of the same type, its heat resistance, alkali resistance, redox resistance and tinting power are better, so it can be widely used in fermented foods, baked foods, ice cream, fish cakes, etc. In non-acidic foods such as pickled products. Preparation method: Dissolve fluorescein with sodium hydroxide solution to prepare fluorescein disodium salt, and then add 4 equivalents of iodine element to it to perform iodine reaction to prepare erythrosine B. This synthesis route is relatively simple to operate. Currently, this route is basically used in industrial preparation of tetraiodofluorescein B.
Specification of CAS:16423-68-0| ERYTHROSIN B
Melting point 142~144℃
Density 0.98
Vapor pressure 0Paat25℃
Flash point 285℃
Storage conditions roomtemp
Solubility 100 g/L
Fine powder form
Color index 45430
Acidity coefficient (pKa) 4.1 (at25℃)
Color dark red to brown
Acid-base indicator discoloration ph value range 0(yellow)-3.6(red)
Package of CAS:16423-68-0| ERYTHROSIN B
25kg/1kg/drum
This product is valid for 24 months from the production date when stored in a warm sealed state.
Safety and Transportation
This product should be stored and sealed at room temperature. Customers should carefully read the product treatment, material safety data sheet (MSDS), and labels before use, be familiar with the product's safety information, operating instructions, and environmental impact, and wear appropriate personal protection as required. supplies.
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