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DMDMH (1,3-Dihydroxymethyl-5,5-dimethylhydantoin)

INCI

DMDM Hydantoin

CAS NO.

6440-58-0

Molecular formula

C₇H₁₂N₂O₄

Structural formula

Technical index

Item	Index
Traits	Colorless to light yellow transparent liquid, odorless or slightly characteristic odor
pH value	5.0~7.0
Nitrogen content,%	7.8~8.6
Solid content,%	54~56
Relative density (25℃)	1.14~1.17
Formaldehyde,%	≤2.0
Total formaldehyde,%	17～18
As，％	≤0.001
Heavy metals,%	≤0.004
Solubility	Mixed with water, lower alcohol, glycol

This product is 55% DMDMH aqueous solution, using the latest international production formula and technology. Strictly controlled by the high-tech personnel of the R&D center, the quality is reliable, the compatibility is good, and the effect is long-lasting without affecting the product Appearance, smell and performance. It is safe and non-toxic. It can be used in a wide range of PH=5-12. It is washing, emulsion It is an ideal antiseptic and antibacterial agent for cosmetics such as, cream, etc.

Characteristic

High-efficiency, low-cost fungicide, easy to use, easily soluble in water and lower alcohols, and stable in water and oil phase emulsions. It is compatible with cationic, anionic and nonionic surfactants, emulsifiers and proteins. It is stable over time, wide pH and temperature range.

Suggested use

Due to its unique water solubility, DMDMH can be added to creams and wash-off personal care formulations with a concentration of 0.2~0.6%. If DMDMH is added to the surfactant, its temperature is usually 50℃~60℃, and the pH is in the range of 7.5~8.5. As the ingredients and formulations of personal care products vary greatly, which may affect the efficacy of preservatives, we strongly recommend that you confirm the efficacy and stability of DMDMH before production.

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