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Imidazolidinyl Urea CAS 39236-46-9

Molecular Formula: C11H16N8O8

Formula Weight: 388.29

ZSpharmac: Imidazolidinyl Urea Cosmetic Raw Material Supplier

Product Name: Imidazolidinyl Urea
CAS No: 39236-46-9
Purity: 99%

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Basic Info

Product Name:Imidazolidinyl Urea
Other Names:Imidurea (200 mg)
Place of Origin:Shandong, China
Brand Name:ZSpharmac
Type:Cosmetic Raw Materials
Appearance:Clear Liquid
EINECS No.:254-372-6
Provide:Imidazolidinyl Urea MSDS;
Imidazolidinyl Urea COA

What is Imidazolidinyl Urea?

Imidazolidinyl Urea is an organic compound, its chemical name is imidazolidinyl urea, and its CAS number is 39236-46-9. It is widely used industrially as a preservative in cosmetics and personal care products, inhibiting the growth of bacteria and fungi by slowly releasing formaldehyde, thereby extending the shelf life of the product. As a chemical preservative, Imidazolidinyl Urea has good solubility and stability in water-based formulations.

Imidazolidinyl Urea Property

Melting point 141-143℃
Boiling point 514.04°C (rough estimate)
density 1.4245 (rough estimate)
vapor pressure 0Pa at 25℃
refractive index 1.6910 (estimate)
storage temp. 2-8°C
solubility Soluble in water and in glycerol, but insoluble in almost all organic solvents.
form Liquid
color Clear
Water Solubility soluble


Imidazolidinyl Urea Uses

Cosmetics and personal care products:
Imidazolidinyl Urea is widely used in the cosmetics industry as an antibacterial preservative to prevent the growth and reproduction of microorganisms (such as bacteria and fungi) in skin creams, shampoos, shower gels, lotions, makeup and other personal care products, thereby extending the product life shelf life and ensure consumer safety.

Research experiments:
In laboratory settings, Imidazolidinyl Urea is often used in scientific research experiments, such as as a preservative in biology and microbiology experiments to preserve samples or to inhibit microbial activity during experiments.

Industrial Material Protection:
Although primarily concentrated in the cosmetics sector, similar preservatives may also be used in other industrial products, such as coatings, adhesives or other products that require long-term storage and are susceptible to microbial contamination.

Imidazolidinyl Urea Advantages and Features

Broad spectrum antibacterial activity:
Imidazolidinyl Urea is an effective antibacterial agent that inhibits the growth of bacteria and fungi, helping to extend the shelf life of cosmetics and other related products and prevent product deterioration due to microbial contamination.

Low toxicity and skin compatibility:
Compared with some traditional preservatives, imidazolidinyl urea is less toxic and less irritating to the skin. It is considered a relatively mild preservative ingredient and is suitable for sensitive skin and infant products.

Stability and compatibility:
It has good stability in the formula, does not cause unnecessary reactions with other cosmetic ingredients, can maintain the chemical stability of the mixture, and is compatible with most cosmetic formulas.

Good solubility:
Imidazolidinyl urea has good water solubility and is easy to disperse in water-based cosmetic formulas, and can be easily added to various personal care products such as lotions, creams, shampoos, and skin care lotions.

Economical and practical:
As a preservative, imidazolidinyl Urea can achieve good preservative effects with less dosage, so it is more cost-effective.


Doi T, Takeda A, Asada A, Kiyota K, Tagami T, Yamano T. The development of dual-function solid-phase method as extraction and a decomposition reaction media for the determination of a formaldehyde releaser, imidazolidinyl urea, in cosmetics. Anal Chim Acta. 2022 Jan 25;1191:338891. doi: 10.1016/j.aca.2021.338891. Epub 2021 Jul 27. PMID: 35033244.

Company Profile and Corporate Culture

Company Profile:

ZhiShang Chemical is owned by ZhiShang Group is a professional new-type chemicals enterprise combined into research and development, production and sales .

The company’s competitive product is pharmaceutical raw materials and intermediates (especially carbohydrate derivatives Series), In recent years, the company has made a major breakthrough in food and feed additives, plant extraction, industrial chemicals industry .

The company insists on the spirit of “sincere management, strict quality control, customer as god” , get consistent high praise from customers at home and abroad.

Corporate Culture:

Help China Chemicals to benefit the happiness of human life
Become the most trusted chemical supplier in the world
Striver – oriented, enrich employees, customer first, deep service, seek development
Be prepared for danger in times of peace, forge ahead actively, unity and cooperation, and be brave to fight

About Us

The production base is located in Zhangqiu chemical industry park and Tai’an high-tech chemical industry park. laboratory and workshop in strict accordance with the GMP standard and the product fit national ISO9001 and ISO2000 standards.

“Zhishang” products are exported to Europe, North and South America, the Middle East, Asia Pacific and Africa area, so as to establish a long-term and stable cooperation relationship with customer in the world.

Company Info
  • Business Type: Manufacturer
  • Product Range: Cosmetic raw materials
  • Products/Service:Cosmetic raw materials (flavors and fragrances,antioxidant products, moisturizing and hydrating, whitening agents, cosmetic additives)
  • Total Employees: 51~100
  • Capital (Million US $): 10000000RMB
  • Year Established: 2016
Production Capacity
  • No. of Production Lines : 8
  • No. of QC Staff : 5 -10 People
  • OEM Services Provided : yes
  • Factory Size (Sq.meters) : 3,000-5,000 square meters
  • Certificate: ISO9001 , CE , GMP , API , MSDS
  • Factory Location : Diao Town Industry Park, Zhangqiu City, Jinan City, Shandong Province, China.


Pre-Sales Service

* Prompt reply and 24 hours online, professional team to provide best price and high quality product.

* Sample testing support.

* Every batch of products will be tested to ensureits quality.

*The packing also can be according the customers` requirment.

*Any inquiries will be replied within 24 hours.

*we provide Commerical Invoice, Packing List, Bill of loading, COA , Health certificate and Origin certificate. If your markets have any special requirements, let us know.


After-Sales Service

*The fact of logistics information monitoring.

* Any questions about the product can be consulted at any time.

*Product has any problem can return.


Do you accept sample order?

We will make samples before mass production, and after sample approved, we’ll begin mass production. Doing 100% inspection during production, then do random inspection before packing.



You can get free samples for some products,you only need to pay the shipping cost or arrange a courier to us and take the samples. You can send us your product specifications and requests,we will manufacture the products according to your requests.

What’s your MOQ?

Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.

Do you supply product report?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantity has different discount.


1. ≤50kg, Express delivery recommended, usually called as DDU service;

2. ≤500kg, Air shipping recommended, usually called as FOB, CFR, or CIF service;

3. >500kg, sea shipping recommended, usually called as FOB, CFR, or CIF service;

4. For high value products, please select air shipping and express delivery for safe.

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