Melting point :193-195 °C(lit.)
Boiling point :194 °C
Density :1.25±0.1 g/cm3(Predicted)
storage temp. :Sealed in dry,Room Temperature
solubility :0.1 M NaOH: soluble0.5g/10 mL, clear, colorless
pka :2.30±0.10(Predicted)
form :Fine Crystalline Solid
color :White
Water Solubility :Soluble in water.
BRN :2804567
InChI :InChI=1S/C12H11O2P/c13-15(14,11-7-3-1-4-8-11)12-9-5-2-6-10-12/h1-10H,(H,13,14)
InChIKey :BEQVQKJCLJBTKZ-UHFFFAOYSA-N
SMILES :P(C1=CC=CC=C1)(C1=CC=CC=C1)(O)=O
CAS DataBase Reference :1707-03-5(CAS DataBase Reference)
NIST Chemistry Reference :Diphenyl phosphinic acid(1707-03-5)

Symbol(GHS):
Signal word:	Warning
Hazard statements:	Code Hazard statements Hazard class Category Signal word Pictogram P-Codes H315 Causes skin irritation Skin corrosion/irritation Category 2 Warning P264, P280, P302+P352, P321,P332+P313, P362 H319 Causes serious eye irritation Serious eye damage/eye irritation Category 2A Warning P264, P280, P305+P351+P338,P337+P313P H335 May cause respiratory irritation Specific target organ toxicity, single exposure;Respiratory tract irritation Category 3 Warning
Precautionary statements:	P261 Avoid breathing dust/fume/gas/mist/vapours/spray. P264 Wash hands thoroughly after handling. P264 Wash skin thouroughly after handling. P280 Wear protective gloves/protective clothing/eye protection/face protection. P304+P340 IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. P405 Store locked up.