HC YELLOW NO.4
Also known as HC Yellow No 4
CAS 59820-43-8EC 428-840-7
What it is and how it is used
Not decoded yet — see functions and inventory status below.
Status in national inventories
| China · STSC prohibited / restricted | CN-115/48 | 准用染发剂(表7) · 序号 48 · 非氧化型 1.5% · 不和亚硝基化体系一起使用；亚硝胺最大含量 50μg/kg；存放于无亚硝酸盐的容器内 |
|---|---|---|
| EU · Annexes to 1223/2009 | III/253 | 附录 III 限用 · 序号 253 · Hair dye substance in non-oxidative hair dye products / 1,5 % / — Do not use with nitrosating agents — Maximum nitrosamine content: 50 μg/kg — Keep in nitrite-free containers ｜ ▼M1 |
Matched on the exact INCI name; salts, esters and synonyms may be missed. The latest official text prevails.
Functions from EU CosIng and the China inventory; irritancy, comedogenicity and rating are our internal reading, not a regulatory conclusion. Structure and molecular data from PubChem.
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