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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

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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