Diazolidinyl Urea/ GERMALL-II

Diazolidinyl Urea

Diazolidinyl Urea/ GERMALL-II

  • INCI Name:          Diazolidinyl Urea
  • Chemical Name:  1-[1,3-bis(Hydroxymethyl)-2,5-dioxoimidazolidin-4-yl]-1,3-bis(hydroxymethyl)urea
  • CAS No:                78491-02-8

Diazolidinyl Urea is one of the most frequently used preservatives in the cosmetics industry after paraben esters. It is compatible with almost all cosmetic ingredients. It provides a complete antimicrobial preservative system that is active against bacteria, yeast and mold.

Diazolidinyl Urea, is permanently listed by the EU at levels up to 0.5% without restrictions, which is safe for both leave-on and rinse-off products and provides effective protection at low concentration levels. It is typically used at concentrations from 0.1-0.3%.

Uses & Applications

Personal care

Applicable in creams, shampoos, lotions, conditioners, liquid soap and other cosmetic and personal care products. It can be used alone or in combination with parabens and IPBC to enhance its antiseptic effect.

Household care

Widely used as preservative in detergents dishwashing liquids,and cleaning agents.


One of the most widely used preservatives for topical pharmaceutical products

Product Details of Diazolidinyl Urea






White powder


less or slight characteristic odor



Loss on Drying

3.0% max

Residue on Ignition

3.0% max



Heavy Metal

10ppm max

Shelf Life

24 months

Download Data Sheet

Technical Data Sheet –Diazodidinyl Urea/ Germall-II

Material Safety Data Sheet– Diazodidinyl Urea/ Germall-II

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