Diazolidinyl urea Cas:78491-02-8

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Diazolidinyl urea

Diazolidinyl urea

molecular formula: C8H14N4O7
Molecular weight: 278.21900
Physical Properties:
Density: 1.8±0.1 g/cm3
Exact Mass: 278.086243
PSA: 153.88000
LogP: -3.69
Index of Refraction: 1.703
Storage condition: 2-8°C
Stability: Stable. Incompatible with strong oxidizing agents.
Items of Analysis Standard of Analysis Test Results
Appearance White powder Conform
Assay ≥99.0% 99.19%
Purity(Nitrogen) 19.0%-21.0% 19.47%
Ahs ≤3.0% 2.15%
Loss on drying ≤3.0% 2.43%
PH 6.0-7.0 6.38
Heavy Metal (Pb) ≤10ppm <10ppm
Conclusion Conforms to BP2012/USP36

Diazoalkyl urea is the most widely used new preservative in the world in the 1980s. It has broad-spectrum antibacterial activity and is effective against Gram-negative bacteria. It is structurally similar to imidazolidinyl urea, but is more effective against yeast, mold and bacteria. The methylol group of the diazonium alkyl urea is a sterilizing active group and has a sterilizing effect.
Neither cationic, anionic or nonionic surfactants nor proteins affect the bactericidal activity of diazonium alkyl ureas. It is compatible with almost all cosmetic ingredients. It is one of the most frequently used preservatives in the cosmetic industry after parabens.
Package and Storage:
 25kg/drum, store at room temperature away from light.

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