Chemical Name: 1-Hydroxymethyl-5,5-Dimethylhydantoin
Synonyms: 1-(Hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione-; MDM Hydantoin
CAS No.: 116-25-6
Molecular Formula: C6H10N2O3
Molecular Weight: 158.16
Appearance: Powder
Parameter | 1-Hydroxymethyl-5,5-Dimethylhydantoin | Conventional Preservatives |
---|---|---|
CAS Number | 116-25-6 | Varies |
Purity Grade | ≥98% | 90-95% |
pH Stability | 3.0-9.0 | 5.0-7.0 |
A European cosmetics manufacturer achieved 18-month shelf life extension in organic lotions through optimized 0.25% HMDH integration, reducing microbial contamination incidents by 92%.
Challenge | Solution | Outcome |
---|---|---|
Preservative efficacy in pH 8.5 formulations | 0.3% HMDH + Chelating agent synergy | MET compliance within 72 hours |
Application | Implementation | Result |
---|---|---|
Cooling tower biofilm prevention | 50ppm continuous dosing system | 68% reduction in maintenance downtime |
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