Basic Yellow 40
Used in cosmetic products as hair dyeing. 2-[7-(Diethylamino)-2- Oxo-2H-1- Benzopyran –3-yl]-1,3-dimethyl-1H-Benzimidazolium Chloride.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
IUPAC name: 7-(diethylamino)-3-(1,3-dimethylbenzimidazol-3-ium-2-yl)chromen-2-one chloride
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
Basic Yellow 40 suppliers
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Frequently asked questions
What is Basic Yellow 40 used for in cosmetics?
Basic Yellow 40 is used in cosmetic products as hair dyeing. 2-[7-(Diethylamino)-2- Oxo-2H-1- Benzopyran –3-yl]-1,3-dimethyl-1H-Benzimidazolium Chloride.
Is Basic Yellow 40 restricted in cosmetics in the EU?
No EU restriction annex is recorded for Basic Yellow 40 in our records. Rules change and differ by market, so always check the current regulation before you formulate.
What is the CAS number of Basic Yellow 40?
Basic Yellow 40 is listed with CAS number 29556-33-0 and EC number 249-694-9.
Where can I buy Basic Yellow 40?
8 suppliers list 1H-Benzimidazolium, 2-(7-(diethylamino)-2-oxo-2H-1-benzopyran-3-yl)-1,3-dimethyl-, chloride (1:1) on CompoundList. Compare them below or post a buy request with your grade and quantity.