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  DMDM Hydantoin

Chemical Name:

1,3-bis(hydroxymethyl)-5,5-dimethylimidazolidine-2,4-dione

Product name: DMDM Hydantoin
CAS No.: 6440-58-0
EINECS No.: 229-222-8
Structural formula:

Physical and Chemical Properties: Soluble in water, lower alcohols, ethylene glycol, stable in the water phase and oil-water emulsion can be stored for one year in the temperature -10 ℃ to 50 ℃, PH value6.5 to 8.5.


Quality standard:

Item

Index

Appearance

colorless Transparent liquid

Odor

featured odor

Chroma (APHA)

≤ 10

Content

55 wt% Min

Moisture

42-46%

pH

6.5-7.5

Total formaldehyde

17.0-18.0 wt%

Free aldehyde

≤ 1 wt%

N

8.04-8.34%

Uses: DMDMH is easily soluble in water, can be added into the cream at room temperature or the emulsion ingredients of coatings. DMDMH offers good compatibility with cationic, anionic and nonionic surfactants, emulsifiers and protein, and offer antimicrobial activity in long term, wide PH value and temperature range. DMDMH can inhibit Gram-positive bacteria, Gram-negative bacteria and other bacteria, or used to control the growth of yeast and mold.
Recommended dosage: 0.1 to 0.3%, temperature: <50 ℃
Packing: 25kg or 50kg or 200kg plastic drum


   
 
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