| Model: | - |
|---|---|
| Brand: | - |
| Origin: | - |
| Category: | Chemicals / Fine Chemicals |
| Label: | - |
| Price: |
US $20
/ kg
|
| Min. Order: | 10000 kg |
| Last Online:02 Feb, 2021 |
DMDMH Instructions
1.Product description
Chemical composition: 1,3-2 (hydroxymethyl)-5,5-dimethyl hydantoin
INCI Name.:DMDM Hydantoin
Molecular formula:C7H12N2O4
Molecular weight:188.18
CAS#：6440-58-0
2.Technical indicators
|
Item |
Indicators |
|
1．Appearance |
colorless to yellowish liquid |
|
2．Assay, % |
53.00-57.00 |
|
3．Total formaldehyde，% |
17.00-18.00 |
|
4 . Free formaldehyde，% |
≤2.00 |
|
5 . PH value |
5.50-7.50 |
|
6 . Specific gravity, g/ml |
1.140-1.180 |
3.Application
DMDMH has broad-spectrum antibacterial activity and can effectively inhibit Gram-positive bacteria, Gram-negative bacteria, yeasts and molds. Mainly used in resident and wash-off products such as creams, lotions, shampoos, conditioners, self-tanning products, gels and wipes. Generally recommended addition amount is 0.10~0.60%. It can be added at a temperature as high as 80°C, and the most suitable temperature is <50°C, and can be used in conjunction with parabens, IPBC, Kathon, etc., to have a better synergistic anti-corrosion effect.
4.Compatibility
It can be compatible with various components in cosmetics, and the test results show that its antibacterial ability is not affected by additives such as surfactants, proteins, and Chinese herbal medicines in cosmetics.
5.Packing specification
25kg/barrel, 200kg/barrel. It should be stored in a cool, dark, dry place, sealed and stored, with a shelf life of 24 months.
