Melting point :60 °C
Boiling point :202 °C / 11mmHg
Density :1.5570
refractive index :1.7430
storage temp. :Store below +30°C.
form :Powder
color :yellow
Specific Gravity :1.84
Water Solubility :Insoluble
Hydrolytic Sensitivity :8: reacts rapidly with moisture, water, protic solvents
BRN :2047179
Exposure limits :ACGIH: TWA 0.2 mg/m3
NIOSH: IDLH 1 mg/m3; TWA 0.2 mg/m3 InChI :1S/C12H10Se2/c1-3-7-11(8-4-1)13-14-12-9-5-2-6-10-12/h1-10H
InChIKey :YWWZCHLUQSHMCL-UHFFFAOYSA-N
SMILES :[Se]([Se]c1ccccc1)c2ccccc2
CAS DataBase Reference :1666-13-3(CAS DataBase Reference)
NIST Chemistry Reference :Diselenide, diphenyl(1666-13-3)
EPA Substance Registry System :Diselenide, diphenyl (1666-13-3)

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 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. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P271 Use only outdoors or in a well-ventilated area. P273 Avoid release to the environment. P284 Wear respiratory protection. P314 Get medical advice/attention if you feel unwell. P391 Collect spillage. Hazardous to the aquatic environment P403+P233 Store in a well-ventilated place. Keep container tightly closed. P405 Store locked up. P501 Dispose of contents/container to..…