Dichlorantin
Synonyms
2,4-Imidazolidinedione, 1,3-dichloro-5,5-dimethyl-;
Hydantoin, 1,3-dichloro-5,5-dimethyl-;
Category
Non-ionic surfactant
> Amide
>> Lactams
Chemical Numbering System
CAS: 118-52-5
EINECS: 204-258-7
Molecular Formula & Molecular Weight
Molecular Formula: C5H6Cl2N2O2
Molecular Weight: 197.02
Structure
Properties
Appearance (1), solid.
Odor chlorine odor.
Solubility slightly soluble in water.
Stability stable.
Risk Solid form: irritation, irritation to skin, eye, respiratory system.
GHS label: 
Animal Toxicity
Table 1 Animal toxicity values
|
guinea pig oral LD50 |
1350mg/kg[1] |
|
rabbit skin LD50 |
> 20000mg/kg[1] |
|
rat inhalation LCLo |
20000mg/m3/1H[1] |
|
rat oral LD50 |
542mg/kg[1] |
Ecology may be hazardous to environment. Water body should be given special attention.
Biodegradability biodegradable.
Characteristics excellent disinfecting, antimicrobial, antibacterial, preservative, algae-killing abilities. Strong oxidizer.
Synthesis
Quality Standards & Test Methods
1, Physical and chemical indexes
|
Item |
Physical and chemical indexes |
|
Solid |
|
|
Actives, %, ≥ |
95.0 |
Test Methods
(1), Actives
GB/T 13173 Surface active agents -- Detergents -- Testing methods
2, Hazardous substances indexes
|
Item |
Hazardous substances indexes |
|
Solid |
|
|
Heavy metals (as Pb), mg/kg, ≤ |
20 |
|
As, mg/kg, ≤ |
3 |
Test Methods
(1), Heavy metals (as Pb)
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30799 The test method of food detergents -- Determination of heavy metals
(2), As
Safety and Technical Standards for Cosmetics (2015 Edition)
GB/T 30797 The test method of food detergents -- Determination of total arsenic
3, Product standards
(1), Chinese standards
(1a), GB/T 23856 1,3-Dichloro-5,5-dimethylhydantoin
4, Further explanation
(a), On physical and chemical indexes: firstly, shall be indicated carbon atom distribution; secondly, shall be indicated average molecular weight.
Major Uses
1, Typical applications
Use as disinfectant, antimicrobial agent. For example, used in water treatment, aquaculture, swimming pools.
Manufacturers
References
[1]: ChemIDplus. 118-52-5, 1,3-Dichloro-5,5-dimethylhydantoin
Update: 20190818(1);