Melting point :208-213℃ (decomposition)
Boiling point :200℃ (0.3 Torr)
Density :1.901 g/cm³ (25 ºC)
vapor pressure :4.7 at 30 °C (Windholz et al., 1983)1.55 at 20 °C (quoted, Verschueren, 1983)
refractive index :1.4270 (20℃)
Flash point :>100 °C
storage temp. :2-8°C
solubility :Miscible with acetone, benzene, carbon tetrachloride, chloroform, ethanol, ethylene glycol, glycerol, methanol, propylene glycol, toluene, xylene (Windholz et al., 1983), and ethylbenzene.
form :solid
Water Solubility :Miscible
Merck :13,9279
Exposure limits :NIOSH REL: TWA 0.05 mg/m3, IDLH 5 mg/m3; OSHA PEL: 0.05 mg/m3; ACGIH TLV: TWA 0.004 ppm.
Stability :Moisture Sensitive
CAS DataBase Reference :107-49-3(CAS DataBase Reference)
EPA Substance Registry System :Tetraethyl pyrophosphate (107-49-3)

Symbol(GHS):
Signal word:	Danger
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H300 Fatal if swallowed Acute toxicity,oral Category 1, 2 Danger P264, P270, P301+P310, P321, P330,P405, P501 H310 Fatal in contact with skin Acute toxicity,dermal Category 1, 2 Danger P262, P264, P270, P280, P302+P350,P310, P322, P361, P363, P405, P501 H400 Very toxic to aquatic life Hazardous to the aquatic environment, acute hazard Category 1 Warning P273, P391, P501
Precautionary statements:	P262 Do not get in eyes, on skin, or on clothing. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P270 Do not eat, drink or smoke when using this product. P273 Avoid release to the environment. P280 Wear protective gloves/protective clothing/eye protection/face protection. P301+P310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P302+P350 IF ON SKIN: Gently wash with plenty of soap and water. P310 Immediately call a POISON CENTER or doctor/physician. P321 Specific treatment (see … on this label). P322 Specific measures (see …on this label). P330 Rinse mouth. P361 Remove/Take off immediately all contaminated clothing. P363 Wash contaminated clothing before reuse. P391 Collect spillage. Hazardous to the aquatic environment P405 Store locked up. P501 Dispose of contents/container to..…