Food Blue 1
Name:C.I.Food Blue 1,C.I.73015
Molecular Structure: Indigo class
C.I.Food Blue 1,C.I.73015,CAS 860-22-0,466.35,C16H8N2Na2O8S2
Molecular Formula:C16H8N2Na2O8S2
Molecular Weight: 466.35
CAS Registry Number:860-22-0
Manufacturing Methods : with strong sulfuric acid or trace fuming sulfuric acid sulphonated 3H-indol-3-one,2-(1,3-dihydro-3-oxo-2H-indol-2-ylidene)-1,2-dihydro-.
Properties and Applications: green light blue. Blue powder. Soluble in water solution for blue, slightly soluble in alcohol. The strong sulfuric acid is a deep blue light in purple, diluted into blue. Its water solution to join for green to yellow green sodium hydroxide. LD50 (to mice through the mouth) : 2000 mg/kg, ADI: tentative 0-2.5 mg/kg. C.I. Acid Blue 74 the same chemical structure.
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