CI 42090
COSMEMASTERS, the first cosmetic ingredient course and community service platform in China, is a gathering place for “ingredient analysis officers”. We are committed to creating a scientific, systematic and professional cosmetic ingredient knowledge system for you, so that you can make less detours on the road of skincare and stand out in the workplace. 6 senior lecturers with backgrounds of top 500 beauty companies and more than 10 years of experience will take you to open a new chapter of cosmetic knowledge!
| COSING Ref No | 32756 |
| INCI name | CI 42090 |
| 标准中文名称 | CI 42090 |
| Japan name | 青１ |
| INN name | |
| Ph. Eur. Name | |
| CAS No | 2650-18-2/ 37307-56-5/ 3844-45-9 |
| EC No | -/ -/ 223-339-8 |
| Chem/IUPAC Name / Description | Dihydrogen (ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)]amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium, disodium salt |
| Restriction | IV/63 (CI 42090) III/190 (Acid Blue 9; Acid Blue 9 Ammonium Salt; Acid Blue 9 Aluminum Lake) |
| Function |
COLORANT:
Exclusively or mainly intended to colour the cosmetic product, the body as a whole or certain parts thereof, by absorption or reflection of visible light; (precursors of oxidative hair colorants shall be deemed colorants). All authorised colorants are substances in the positive list of Annex IV to the Cosmetics Regulation 1223/2009.
HAIR DYEING:
Imparting color to hair. Hair dyeing preparations may be temporary, semi-permanent, permanent, depending on the length of time the colorant remains on the hair.
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