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E132

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E132 or Indigotine is a disodium salt, synthetic blue dye also called Acid Blue 74, CI 73000, Indigo carmine and others. It is produced by the condensation of 2-formylbenzenesulphonic acid and aniline with a subsequent oxidation process. Mixed with tartrazine (E102) it can produce various shades of green. It appears as a blue powder A cosa serve e...

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Object facts

Key information and links

Component typeChemical

Chemical RiskNot available

Last update2023-03-23 17:40

Main substances

2-formylbenzenesulphonic acid
Aniline
Indigotindisulfonate

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