Colorant2 products

Blue 2

Also known asIndigotine
FormulaC16H8N2Na2O8S2
IUPACdisodium;2-(3-hydroxy-5-sulfonato-1H-indol-2-yl)-3-oxoindole-5-sulfonate
SMILESC1=CC2=C(C=C1S(=O)(=O)[O-])C(=C(N2)C3=NC4=C(C3=O)C=C(C=C4)S(=O)(=O)[O-])O.[Na+].[Na+]
CAS860-22-0
Europe numberE132
Color index73015
2 products with this ingredient:
CollistarAfter Sun
After Sun Shower-Shampoo
Cleansing
Gel
CollistarIdroattiva+
Idroattiva+ Matte Moisturizing Sorbet
Moisturizing
Cream