FD&C Blue No.1
Brillant blue FCF,
Brilliant blue FCF,
CI 42090,
FD&C Blue 1 Aluminium Lake,
FD&C Blue #1,
Food Blue 2,
Blue 1,
Blue 1 Lake,
Acid blue 9,
Erioglaucine A,
Acid Blue 9 Aluminum Lake
Formula: C37H34N2Na2O9S3
Molecular Weight: 792.9
Cas No：3844-45-9; 2650-18-2; 37307-56-5; 68921-42-6
Cosmetic Colorant; Hair Dyeing
等同 CI 42090
The safety of Blue No.1 varies based on how it is used, it is completely safe for topical use in beauty products.