Melting point :130 °C (dec.) (lit.)
Boiling point :244.73°C (rough estimate)
Density :1.224 (estimate)
vapor pressure :0Pa at 25℃
FEMA :3826 | 2,5-DIHYDROXY-1,4-DITHIANE
refractive index :1.5200 (estimate)
storage temp. :2-8°C
solubility :H₂O: 0.39% at 20 °C
form :Crystalline Powder
pka :12.04±0.40(Predicted)
color :White to yellow
PH :4.9 (3.9g/l, H2O)
Odor :at 0.10 % in propylene glycol. sulfury meaty toasted bread broth egg tomato
Odor Type :sulfurous
Water Solubility :3.9 g/L (20 ºC)
JECFA Number :550
BRN :104402
InChIKey :YUIOPHXTILULQC-UHFFFAOYSA-N
LogP :-0.276 at 22.8℃ and pH6.3
CAS DataBase Reference :40018-26-6(CAS DataBase Reference)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H301 Toxic if swalloed Acute toxicity,oral Category 3 Danger P264, P270, P301+P310, P321, P330,P405, P501 H317 May cause an allergic skin reaction Sensitisation, Skin Category 1 Warning P261, P272, P280, P302+P352,P333+P313, P321, P363, P501 H330 Fatal if inhaled Acute toxicity,inhalation Category 1, 2 Danger P260, P271, P284, P304+P340, P310,P320, P403+P233, P405, P501 H373 May cause damage to organs through prolonged or repeated exposure Specific target organ toxicity, repeated exposure Category 2 Warning P260, P314, 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:	P260 Do not breathe dust/fume/gas/mist/vapours/spray. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P302+P352 IF ON SKIN: wash with plenty of soap and water. P314 Get medical advice/attention if you feel unwell.