Specifications

name:5.5-Dimethylhydantoin(DMH) 
It can be used for making DMDMH,DCDMH,DBDMH,BCDMH ,DMDMH ,DDH and various chemical products. 

5,5 DMH content description 

Product Type: Intermediates / Pharmaceutical intermediates 
Product Name: 5,5 - DMH 
English :5,5-Dimethylhydantoin 
CAS RN: 77-71-4 
Molecular type: C5H8N2O2 
Molecular weight: 128.13 
Appearance: white crystal 
Content: ≥ 99.5% 
Melting point: 174 ~ 176 °C 
Water were: ≤ 0.5% 
Ash were: ≤ 0.2% 
Production process: carbon dioxide, ammonia, double gas production of short, green technology, no waste discharge. 
Patent: Method and more carbon dioxide reactor in series for continuous production DMH Technology 
Purpose

 

 

1. Manufacture of halogenated hydantoins, such as: 1,3 - dichloro -5,5 - dimethyl Hydantoin, 1 - bromo -3 - chloro -5,5 - and 1,3-dibromo-DMH -5,5 - Dimethyl-Hydantoin and so on, for the disinfection of biocide agents are widely used in people's livelihood and industrial water treatment, swimming pool disinfection, the chemical industry as industrial chlorinated or brominated agent agent. 
2. As 1,3 - hydroxymethyl -5,5 - dimethyl Hydantoin (DMDMH) for the daily chemical industry (cosmetics and detergents, etc.) corrosion mildew, but also industrial products such as coatings, building paper industry and other preservatives. 
3. Manufacturing Hein epoxy resin, used for high-voltage electrical appliances and so on. 
4. For the manufacture of water-soluble 5,5 - DMH formaldehyde resins and adhesives raw materials .1,3 - 2-hydroxymethyl -5,5 - dimethyl Hydantoin (DMDMH) is widely used in coatings, water-based ink and the ink, paper and textile finishing agent side. 
5. Manufacturing 1,3 (β-hydroxyethyl) -5,5 - Dimethyl-Hydantoin, for the heat-resistant polymer functional monomer, and further can produce DMH and other new features single-ethylamine and sports. 
6. For the manufacture of pharmaceutical intermediates and acetyl amino acids and amino acids. 
Packaging: The product is double packed, outer plastic woven polypropylene, the inner non-toxic polyethylene plastic bag sealing, bag net content 25kg/40kg (packaged according to customer requirements). 
STORAGE: Store in a cool, dry environment 
Shelf: two years 
This product is used for amino acids, specialty epoxy resin, synthetic materials such as water-soluble resin