Melting point :197-199 °C (dec.)(lit.)
Boiling point :250.2±23.0 °C(Predicted)
Density :1.00 g/cm3 (25℃)
refractive index :1.6220 (estimate)
Flash point :155 °C
storage temp. :Store below +30°C.
solubility :1g/l
pka :-3.44±0.40(Predicted)
form :Powder
color :Cream or light yellow
Water Solubility :Soluble in Alcohol, Ether, Benzene. Insoluble in Water.
Sensitive :Moisture Sensitive
Decomposition :197-199 ºC
Merck :14,3017
BRN :146024
CAS DataBase Reference :77-48-5(CAS DataBase Reference)
EPA Substance Registry System :1,3-Dibromo-5,5-dimethylhydantoin (77-48-5)

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 H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H314 Causes severe skin burns and eye damage Skin corrosion/irritation Category 1A, B, C Danger P260,P264, P280, P301+P330+ P331,P303+P361+P353, P363, P304+P340,P310, P321, P305+ P351+P338, P405,P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P210 Keep away from heat/sparks/open flames/hot surfaces. — No smoking. P260 Do not breathe dust/fume/gas/mist/vapours/spray. P280 Wear protective gloves/protective clothing/eye protection/face protection. P303+P361+P353 IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.