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Diphenylmethane Structure

Diphenylmethane

Chemical Properties

Melting point 22-24 °C (lit.)
Boiling point 264 °C (lit.)
Density  1.006 g/mL at 25 °C (lit.)
vapor density  5.79 (vs air)
vapor pressure  <1 mm Hg ( 77 °C)
refractive index  n20/D 1.577(lit.)
Flash point >230 °F
storage temp.  Store below +30°C.
solubility  Soluble in ethanol, ether, benzene and chloroform.
pka 33.5(at 25℃)
form  Low Melting Solid
color  Colorless to pale yellow
Specific Gravity 1.006
Odor at 10.00 % in dipropylene glycol. sweet green wet plastic geranium
Odor Type green
explosive limit 0.69-8.66%(V)
Water Solubility  14.1mg/L(25 ºC)
FreezingPoint  24.0 to 26.0 ℃
Merck  14,3328
BRN  1904982
Dielectric constant 2.6(26℃)
LogP 4.140
CAS DataBase Reference 101-81-5(CAS DataBase Reference)
FDA UNII K3E387I0BC
NIST Chemistry Reference Diphenylmethane(101-81-5)
EPA Substance Registry System Diphenylmethane (101-81-5)

Safety

Symbol(GHS)
Signal wordWarning
Hazard statements H410
Precautionary statements P273-P391-P501
Hazard Codes  Xn
Risk Statements  22
Safety Statements  24/25-58-54-44-29
RIDADR  UN3077
WGK Germany  2
RTECS  DA4976500
Autoignition Temperature 905 °F
TSCA  Yes
HazardClass  9
PackingGroup  III
HS Code  29029090
Hazardous Substances Data 101-81-5(Hazardous Substances Data)
Toxicity LD50 orally in Rabbit: 2250 mg/kg LD50 dermal Rabbit > 5000 mg/kg
NFPA 704:
1
1 0

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