Functions
Colorant
Hair Dyeing
CAS Number(s)
2650-18-2
37307-56-5
3844-45-9
EINECS number(s)
223-339-8
FDA UNII
H3R47K3TBD
Blue 1 is a certified water-soluble cosmetic color used in cosmetic products such as creams, lotions, gels, hair products, bath products, and soaps to produce a greenish blue. Small quantities are used in formulations since it is very concentrated.
Active ingredients (or INCI)
CI 42090
Synonyms
Dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)]amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, disodium salt
Acid Blue 9
Brilliant Blue
Erioglaucine disodium salt
Fd&c Blue No. 1
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