Imidazolidinyl Urea CAS 39236-46-9 Purity ≥98.0% Factory

Imidazolidinyl Urea (CAS: 39236-46-9) is a broad-spectrum antimicrobial preservative used in cosmetics and topical pharmaceutical formulations; typical concentrations used are 0.03–0.5% w/w. It is effective between pH 3~9 and is reported to have synergistic effects when used with parabens. Imidazolidinyl urea, a formaldehyde releaser related to diazolidinyl urea, is used as an antimicrobial agent very active against Gram-positive and Gram-negative bacteria, used as a synergist in combination with para- bens. It is used as a preservative in aqueous products, mainly in cosmetics, toiletries, and liquid soaps. Imidazolidinyl Urea is incompatible with strong oxidants. It is compatible with other preservatives including sorbic acid and quaternary ammonium compounds. It is also compatible with other pharmaceutical and cosmetic excipients including proteins, nonionic surfactants, and lecithin. Can be used for cream, shampoo, dew, conditioner and other products, can be used alone, can also be used with paraben ester, IPBC and other products, enhance its anticorrosive effect.