What is Red Dye 3 Called in Europe? The E Number and Regulations Explained
                                
                                
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                                    4 min read                                
                            
                                Since 1994, the European Union has heavily restricted the use of the synthetic food dye known as Red Dye 3 in the United States. If you're wondering what is red dye 3 called in Europe, the substance is identified by its chemical name Erythrosine and its E number, E127.