1,3-Dichloro-5,5-dimethylhydantoin

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)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H272 May intensify fire; oxidizer Oxidising liquids;Oxidising solids Category 2 Category 3 Danger Warning P210, P220, P221P280, P370+P378,P501 H302 Harmful if swallowed Acute toxicity,oral Category 4 Warning P264, P270, P301+P312, P330, P501 H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H410 Very toxic to aquatic life with long lasting effects Hazardous to the aquatic environment, long-term hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P220 Keep/Store away from clothing/…/combustible materials. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P312 IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352 IF ON SKIN: wash with plenty of soap and water.