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1,3-Dichloro-5,5-dimethylhydantoin Structure

1,3-Dichloro-5,5-dimethylhydantoin

Chemical Properties

Melting point 132-134 °C (lit.)
Boiling point 214.7±23.0 °C(Predicted)
Density  1,5 g/cm3
vapor pressure  0.003Pa
refractive index  1.5720 (estimate)
Flash point 171 °C
storage temp.  Keep in dark place,Sealed in dry,Room Temperature
solubility  water: soluble0.21% at 25°C(lit.)
form  Crystalline Powder
pka -3.44±0.40(Predicted)
color  White
PH 4.4 (H2O)(HSDB)
Water Solubility  0.21 g/100 mL (25 ºC)
Sensitive  Moisture Sensitive
Sublimation  100 ºC
Merck  14,3065
BRN  146013
Exposure limits NIOSH REL: TWA 0.2, STEL 0.4, IDLH 5; OSHA PEL: TWA 0.2, STEL/C 0.4 (adopted).
Stability Stable, but a strong oxidizer - contact with combustible material may lead to fire. Incompatible with reducing agents, acids, strong bases. Moisture sensitive.
InChIKey KEQGZUUPPQEDPF-UHFFFAOYSA-N
LogP -0.94
CAS DataBase Reference 118-52-5(CAS DataBase Reference)
EPA Substance Registry System 1,3-Dichloro-5,5-dimethylhydantoin (118-52-5)

Safety Information

Hazard Codes  Xn,C,O,N
Risk Statements  22-36/37/38-34-8-50-43-31-20/21/22
Safety Statements  26-36-45-36/37/39-17-61
RIDADR  UN 1479 5.1/PG 2
WGK Germany  3
RTECS  MU0700000
TSCA  Yes
HazardClass  5.1
PackingGroup  II
HS Code  29332100
Hazardous Substances Data 118-52-5(Hazardous Substances Data)
Toxicity LD50 oral in rabbit: 1520mg/kg
IDLA 5 mg/m3

MSDS

Usage And Synthesis

Preparation Products And Raw materials

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