HC Blue No. 18
Used in cosmetic products as hair dyeing. 2,1-Benzisothiazole-5-sulfonamide, 3-[(3-chloro-4-hydroxyphenyl)azo]-,2,1-Benzisothiazole-5-sulfonamide, 3-[(1E)-2-(3-chloro-4-hydroxyphenyl)diazenyl]-,3-[(E)-(3-chloro-4-hydroxyphenyl)diazenyl]-2,1-benzisothiazole-5-sulfonamide.
The chemical behind this ingredient
Structure, properties, safety data and price information live on the chemical page.
![3-[(E)-(3-Chloro-4-hydroxyphenyl)diazenyl]-2,1-benzothiazole-5-sulfonamide chemical structure, C13H9ClN4O3S2, CAS 1166834-57-6](/s/NYEMNYHXEDGHIO-UHFFFAOYSA-N.svg)
IUPAC name: 3-[(3-chloro-4-hydroxyphenyl)diazenyl]-2,1-benzothiazole-5-sulfonamide
- 2D structure and identifiers
- Measured and computed properties
- GHS safety summary
- Suppliers, prices and trade data
HC Blue No. 18 suppliers
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Frequently asked questions
What is HC Blue No. 18 used for in cosmetics?
HC Blue No. 18 is used in cosmetic products as hair dyeing. 2,1-Benzisothiazole-5-sulfonamide, 3-[(3-chloro-4-hydroxyphenyl)azo]-,2,1-Benzisothiazole-5-sulfonamide, 3-[(1E)-2-(3-chloro-4-hydroxyphenyl)diazenyl]-,3-[(E)-(3-chloro-4-hydroxyphenyl)diazenyl]-2,1-benzisothiazole-5-sulfonamide.
Is HC Blue No. 18 restricted in cosmetics in the EU?
No EU restriction annex is recorded for HC Blue No. 18 in our records. Rules change and differ by market, so always check the current regulation before you formulate.
What is the CAS number of HC Blue No. 18?
HC Blue No. 18 is listed with CAS numbers 852356-91-3 and 1166834-57-6.
Where can I buy HC Blue No. 18?
Post a buy request for 3-[(E)-(3-Chloro-4-hydroxyphenyl)diazenyl]-2,1-benzothiazole-5-sulfonamide with the grade, quantity and destination you need, and matching suppliers will send you quotes.