Imidazolidinyl urea

Food Additives 2025-03-02

Introduction to Imidazolidinyl urea

Imidazolidinyl urea, also known by its CAS number 39236-46-9. is a chemical compound primarily used as an antimicrobial preservative in cosmetics and personal care products. This versatile compound is recognized for its ability to release formaldehyde, contributing to its preservative effectiveness.

Properties and Applications Table

Property/Application Details
Chemical Name Imidazolidinyl urea
CAS Number 39236-46-9
Molecular Formula C11H16N8O8
Molecular Weight 388.29 g/mol
Appearance White fluid powder with a faint characteristic odor
Density Approximately 1.85 g/cm³
Melting Point 110°C
Solubility Soluble in water
Stability Stable under normal conditions
pH Range for Use 3-9
Primary Uses Antimicrobial preservative in cosmetics, shampoos, lotions, and conditioners; enhances preservation when used in combination with other preservatives
Safety Information May cause eye irritation; handle with caution and avoid inhalation or ingestion; wear appropriate protective gear when handling; store in a cool, dry place

Imidazolidinyl urea exhibits broad-spectrum antimicrobial activity, effectively inhibiting the growth of both Gram-negative and Gram-positive bacteria, as well as yeast and mold. This makes it an ideal preservative for various cosmetic formulations, such as creams, lotions, shampoos, and conditioners.

Moreover, Imidazolidinyl urea is often used in combination with other preservatives, such as parabens or IPBC, to enhance its preservative effectiveness. It is particularly suitable for use in high-end cosmetic products that are prone to microbial contamination, especially those with a pH level that tends to be alkaline.

In summary, Imidazolidinyl urea is a valuable antimicrobial preservative in the cosmetics industry, renowned for its effectiveness, stability, and compatibility with various cosmetic formulations. Its safe use and broad-spectrum activity make it a staple ingredient in numerous personal care products.