Melting point :92-94 °C(lit.)
Boiling point :358-359 °C754 mm Hg(lit.)
Density :1.014 g/mL at 25 °C(lit.)
refractive index :nD100 1.59546
Flash point :358-359°C
storage temp. :Store below +30°C.
solubility :dioxane: 0.1 g/mL, clear
form :Powder
pka :31.5(at 25℃)
color :Faint yellow
Specific Gravity :1.014
Water Solubility :INSOLUBLE
Merck :14,9741
BRN :1909753
Dielectric constant :3.6（65℃）
Stability :Stable; combustible. Incompatible with strong oxidizing agents.
CAS DataBase Reference :519-73-3(CAS DataBase Reference)
NIST Chemistry Reference :Triphenylmethane(519-73-3)
EPA Substance Registry System :Benzene, 1,1',1''-methylidynetris- (519-73-3)

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 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. 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. 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.