Melting point :22-24 °C (lit.)
Boiling point :360 °C (lit.)
Density :1.184 g/mL at 25 °C (lit.)
vapor density :10.7 (vs air)
vapor pressure :5 mm Hg ( 205 °C)
refractive index :n20/D 1.59(lit.)
Flash point :425 °F
storage temp. :Store below +30°C.
solubility :methanol: 25 mg/mL, clear
form :Liquid
color :Clear colorless to pale yellow
PH :1 (200g/l, H2O, 20℃)
Water Solubility :insoluble
Sensitive :Air & Moisture Sensitive
BRN :1079456
Dielectric constant :3.2（24℃）
Stability :Stable. Combustible. Incompatible with strong oxidizing agents.
InChIKey :HVLLSGMXQDNUAL-UHFFFAOYSA-N
CAS DataBase Reference :101-02-0(CAS DataBase Reference)
NIST Chemistry Reference :Phosphorous acid, triphenyl ester(101-02-0)
EPA Substance Registry System :Triphenyl phosphite (101-02-0)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes 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 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P 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:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 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. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.