Product Name

Imidazolidinyl Urea CAS 39236-46-9

Basic Information

CAS No:39236-46-9
Molecular Formula:C11H16N8O8
Molecular Weight:388.293
Remarks:Factory direct sales

Imidazolidinyl Urea Properties




White Powder



Melting point/℃70
density(Kg/m³)1900(rough estimate)
refractive index1.715
Flash point/℃204.8
storage temproom temperature

Imidazolidinyl Urea USES

Imidazolidinyl urea is a kind of preservative in cosmetics. It has broad-spectrum antimicrobial activity. It can inhibit Gram-negative and positive bacteria. It has certain inhibitory effect on yeasts and fungi. It is mainly used to inhibit the reproduction of microorganisms and can be compatible with various components in cosmetics. The results show that its antimicrobial activity is not affected by surfactants, proteins and other components in cosmetics. The effect of special additives.
Application: imidazolidyl urea can be used in products such as cream, shampoo, lotion, conditioner and so on. It can be used alone, and can also be used in combination with IPBC and Nabin esters to enhance its antiseptic effect. The range of pH value is 3-9, the general addition is 0.2-0.4%, and the maximum allowable addition is 0.6%. It can be added in a wide temperature range (< 90 C).
Usually imidazolidinyl urea is used as a cosmetic preservative in conjunction with Nipagin ester or Kaisong CG. It can be used in cream, milk, shampoo, etc. It is especially suitable for some advanced nutritional cosmetics which are easily stained with Chaetobacter aeruginosa when the pH value is alkaline. Usually the dosage is 0.1%-0.5%. However, imidazolidinyl urea is not used in some high-end cosmetics because of its irritating effect on some people’s skin and easy to cause allergies.

Imidazolidinyl Urea Packaging

Packing: 25Kg,100Kg,200Kg,1000Kg/Drum

Imidazolidinyl Urea storage

  1. Store barreled products in a cool, ventilated warehouse; keep away from

fire and heat sources. The warehousing temperature does not exceed 30 ℃, and the relative

humidity does not exceed 80%. Keep the container sealed; products should be stored separately

from oxidants, reducing agents, etc., and should not be mixed; be equipped with fire-fighting

equipment of appropriate variety and quantity; the storage area should be equipped with

equipment for emergency treatment of leakage and suitable containment materials;

  1. Store in a special storage tank; keep away from fire and heat sources; there is fire-fighting foam

for a fire emergency, and the tank area is equipped with equipment for the emergency treatment of


  1. Shelf life: The shelf life of this product is 6 months.

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