DMDM Hydantoin 1,3-Dimethylol-5,5-dimethylhydantoin Cosmetic preservative
Appearance (25℃) |
Colorless to light yellow clear liquid |
Odor | Odorless or characteristically mild |
pH | 5.0~7.0 |
Nitrogen(%) | 7.8~8.6% |
Total Solids(%) | 54~56 |
Specific Gravity(25℃) | 1.14~1.17 |
Dissociative formaldehyde(%): | ≤2.0% |
Total formaldehyde(%) | 17~18% |
As(%) | 0.001% max. |
Pb(%) | 0.004% max. |
Application:
The active ingredient of DMDMH, DMDM Hydantoin, is permitted for use in cosmetic and personal care products in the USA and the EU to a maximum concentration of 0.6%.DMDMH is compatible with essentially all cosmetic ingredients, such as surfactants, emulsifiers, proteins, aloe and amines. DMDMH is an excellent preservative for both leave-on and rinse-off products such as shampoos, creams, lotions, bubble baths, rinses, wipes and towelettes. It is easy to handle, very stable and cost-effective. The recommended use level is 0.1~0.6% by weight of product as supplied. DMDMH exhibits an excellent synergistic preservative effect in combination with Iodopropynyl Butylcarbamate (IPBC), Parabens and Isothiazolinones. It is stable over a wide range of pH and temperature conditions. It does not discolor product when combined with additives or by changes in pH. It can be added at a wide range of temperatures from ambient to elevated 80℃.Applications
Packing:
25kg / plastic pail ; 200kg/pail
Storage:
Avoid freezing. Store at or near room temperature, out of direct sunlight. Keep containers tightly closed when not in use. Storage at temperatures below 10°C for a long period of time, may cause formation of crystals, requires thawing and mixing prior to use, with no detrimental effect to product quality or efficacy.
Period of validity:24 months
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