Diazolidinylurea

Products name：Diazolidinylurea
CAS No.：78491-02-8
Structural formula:

[English name] Diazolinylurea Iodopropynyl butylcarbamate
【 CAS Number 】 78491-02-8, 55406-53-6
[Chemical Name]
① Diazoalkylurea; Dichloroalkylurea; N - (1,3-dihydroxymethyl-2,5-dione-4-imidazolidinyl) - N, N '- dihydroxymethylurea; Gemma B; Diazoludifurone
② Butyl carbamate iodopropynyl ester; Iodopropynyl butyl carbamate
[Structural formula]
    
【Molecular formula】  C₈H₁₄N₄O₇       C₈H₁₂INO₂
【Molecular weight】  278.22               281.09
[Chemical Composition] Bis (hydroxymethyl) imidazolidinylurea, iodopropynyl alcohol butyl carbamate (IPBC)
【 Appearance 】 Colorless or slightly yellow transparent viscous liquid, odorless or slightly characteristic odor, easily soluble in propylene glycol, soluble in water
[Characteristics] Broad spectrum antibacterial activity, able to inhibit Gram negative bacteria, positive bacteria, yeast, and mold. The addition of IPBC further enhances its antifungal effect.
【 Quality Standard 】 Relative Density (20 ℃): 1.15-1.25
PH (1% aqueous solution): 6.0-8.0
Nitrogen content: 7.5-8.5%
IPBC content: 0.65-0.95%
Burning residue: ≤ 1.5%
【 Application 】 It is an ideal preservative for mid to high end cosmetics, which can be used for resident and wash off products such as cream, lotion, shampoo, conditioner, wet wipes, etc. The product has been approved by the United States and the European Union and is widely used in water in oil and oil in water emulsion systems and water-soluble formulas. The general addition amount is 0.1-1.0%, and the pH range for use is 3-9. When used, it should be dissolved in the aqueous phase or emulsion system, and it is better to add it below 50 ℃. It can be compatible with various components present in cosmetics, and experimental results show that its antibacterial ability is not affected by additives such as surfactants, proteins, and Chinese herbs in cosmetics.