Product Introduction
| Indan Basic information |
| Product Name: | Indan |
| Synonyms: | 1,2-Hydrindene;1H-Indene, 2,3-dihydro-;INDANE OEKANAL, 250 MG;Indane,95%;1,2-dihydroindene;Indan Odor Standard;Hydrinden;Bicyclo[4.3.0]nona-1,3,5-triene |
| CAS: | 496-11-7 |
| MF: | C9H10 |
| MW: | 118.18 |
| EINECS: | 207-814-7 |
| Product Categories: | |
| Mol File: | 496-11-7.mol |
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| 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.) |
| Fp | 50 °C |
| storage temp. | Sealed in dry,Room Temperature |
| 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 Threshold | 0.0037ppm |
| 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. |
| InChIKey | PQNFLJBBNBOBRQ-UHFFFAOYSA-N |
| CAS DataBase Reference | 496-11-7(CAS DataBase Reference) |
| EPA Substance Registry System | Indan (496-11-7) |
| Safety Information |
| Hazard Codes | Xn,F |
| Risk Statements | 10-65 |
| Safety Statements | 23-24/25-62 |
| RIDADR | UN 3295 3/PG 3 |
| WGK Germany | 3 |
| RTECS | NK3750000 |
| Hazard Note | Flammable |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | III |
| HS Code | 29029090 |
| MSDS Information |
| Provider | Language |
|---|---|
| SigmaAldrich | English |
| ACROS | English |
| ALFA | English |
| Indan Usage And Synthesis |
| Chemical Properties | Indane is a colourless to faintly yellow liquid. Insoluble in water, soluble in alcohol, ether and other organic solvents in any proportion. |
| Uses | Indane, is used as a catalytic agent, Petrochemical additive, used in organic synthesis. It is also used as pharmaceutical and chemical intermediate. |
| Definition | ChEBI: Indane is an ortho-fused bicyclic hydrocarbon consisting of a benzene ring fused to a cyclopentane ring; a high-boiling (176°C) colourless liquid. It is a member of indanes and an ortho-fused bicyclic hydrocarbon. |
| Application | Indane is used as anti-vibration agent for aviation fuel and anti-vibration agent for rubber industry. Its derivatives can be used in pharmaceuticals and solvents. Indane can be cracked to produce benzene compounds. |
| Preparation | Taking heavy benzene with a Indan content of 35% as a raw material, rectifying it through an emulsification tower, and cutting the 182°C fraction from the top of the tower, that is, Indan with a content of more than 90%.? |
| 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 |
| Hazard | Irritant to skin and eyes. |
| Synthesis | 3-phenyl-1-propene is isomerized to give indane in the presence of AlCl3: |
| Source | Detected 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 fate | Photolytic. 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 Methods | Shake 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.] |
| Indan Preparation Products And Raw materials |
| Raw materials | Indene-->Heavy benzene |
| Preparation Products | 1,2-DIMETHYLCYCLOHEXANE-->4-INDANOL-->4-AMINOINDAN-->5-INDANOL-->N-PROPYLBENZENE-->N-(Bromomethyl)phthalimide-->1,2,3,5,6,7-Hexahydro-s-indacene-4-acetic acid-->INDANE-5-SULFONYL CHLORIDE-->2-CHLORO-1-(2,3-DIHYDRO-1H-INDEN-5-YL)ETHANONE |
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