IMIDAZOLIDINYL UREA
咪唑烷基脲
Also known as N,N'-Methylenebis[N'-[3-(hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]urea]
CAS 39236-46- 9EC 254-372-6PubChem CID 38258
What it is and how it is used
Formaldehyde releaser in preservative systems; monitor for formaldehyde and urea sensitivity issues.
Status in national inventories
| China · Inventory of existing ingredients | 04679 | 按照《化妆品安全技术规范》要求使用 |
|---|---|---|
| China · STSC prohibited / restricted | CN-112/28 | 准用防腐剂(表4) · 序号 28 · 最大允许浓度 0.6% |
| EU · CosIng | 34567 | 功能 PRESERVATIVE · 限制 V/27 |
| EU · Annexes to 1223/2009 | V/27 | 附录 V 准用防腐剂 · 序号 27 · 0,6 % ｜ ▼M32 |
| Brazil · ANVISA | BR-528/24 | 准用防腐剂 · RDC 528/2021 第 24 项 · 最大浓度 0,6% |
Matched on the exact INCI name; salts, esters and synonyms may be missed. The latest official text prevails.
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Functions from EU CosIng and the China inventory; irritancy and rating are our internal reading, not a regulatory conclusion; comedogenic ratings need a published source and this batch is not yet sourced, so they are not shown. Structure and molecular data from PubChem.
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