Imidazolidinyl Urea

  1. Basic Information
Product Name Imidazolidinyl Urea
CAS: 39236-46-9
EINECS: 254-372-6
Molecular Formula: C11H16N8O8
Molecular Weight: 388.30
Structural Formula:



Synonyms: Germall-115


  1. Quality Specification:
Appearance White, fine, free-flowing powder
Odor less or slight characteristic odor
Nitrogen 26.0-28.0%
Loss on Drying 3.0% max
Residue on Ignition 3.0% max
PH 6.0-7.5
As 0.001% max
Pb 0.004% max


  1. Packing
    Standard packaging includes the following:

25kg per drum, 25kg/carton

Other package sizes are available upon request.


  1. Storage
    Store in a well-ventilated, cool, dry area, out of direct sunlight. Keep containers tightly closed when not in use.


  1. Period of validity
    24 months


  1. Application

It is effective against Gram-negative bacteria, including Pseudomonas aeruginosa. It provides a complete antimicrobial preservative system that is active against bacteria, yeast and mold.

Imidazolidinyl Urea, is permanently listed by the EU at levels up to 0.6% without restrictions. It is one of the most widely used cosmetic preservatives in the world.
It is safe and effective for both leave-on and rinse-off products. The recommended use level is 0.2-0.4%.