INDAN CAS#: 496-11-7

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INDAN

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INDAN Basic information

INDAN Chemical Properties

Melting point:−51 °C(lit.)
Boiling point:176 °C(lit.)
Density 0.965 g/mL at 25 °C(lit.)
vapor pressure 1.5 at 25 °C (extrapolated, Ambrose and Sprake, 1975)
refractive index n20/D 1.537(lit.)
Flash point:50 °C
storage temp. Flammables area
solubility Soluble in alcohol, ether (Weast, 1986), and many aliphatic hydrocarbons (hexane, pentane), and aromatic hydrocarbons (benzene)
pka>14 (Schwarzenbach et al., 1993)
form Liquid
color Clear colorless to yellow
Odor Threshold0.0037ppm
Water Solubility Soluble in ethanol, diethyl ether, chloroform (slightly), and ether. Insoluble in water.
Merck 14,4931
BRN 1904376
Henry's Law Constant(x 10^-3 atm?m³/mol): 2.14 at 25 °C (approximate - calculated from water solubility and vapor pressure)
Stability:Stable. Flammable. Incompatible with strong oxidizing agents.
InChIKeyPQNFLJBBNBOBRQ-UHFFFAOYSA-N
CAS DataBase Reference496-11-7(CAS DataBase Reference)
EPA Substance Registry SystemIndan (496-11-7)

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MSDS

INDAN Usage And Synthesis

Chemical Propertiescolourless to faintly yellow liquid
UsesOrganic synthesis.
Synthesis Reference(s)Journal of the American Chemical Society, 111, p. 314, 1989 DOI: 10.1021/ja00183a048
The Journal of Organic Chemistry, 41, p. 1184, 1976 DOI: 10.1021/jo00869a022
HazardIrritant to skin and eyes.
SourceDetected in distilled water-soluble fractions of 87 octane gasoline (0.40 mg/L), 94 octane gasoline (0.23 mg/L), Gasohol (0.50 mg/L), No. 2 fuel oil (0.05 mg/L), jet fuel A (0.15 mg/L), and diesel fuel (0.06 mg/L) (Potter, 1996). Based on laboratory analysis of 7 coal tar samples, indan concentrations ranged from ND to 3,800 ppm (EPRI, 1970).
Environmental FatePhotolytic. Gas-phase reaction rate constants for OH radicals, NO3 radicals, and ozone at 24 °C were 1.9 x 10^-11, 6.6 x 10^-15, and <3 x 10^-19 cm³/molecule?sec, respectively (Kwok et al., 1997).
Purification MethodsShake indane with conc H2SO4, then water, dry and fractionally distil it. [Beilstein 5 H 486, 5 I 234, 5 II 376, 5 III 1200, 5 IV 1371.]

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