| Tetrahydropyran Basic information |
| Product Name: | Tetrahydropyran |
| Synonyms: | Tetrahydropiran;TETRAHYDROPYRAN;THP;OXACYCLOHEXANE;PENTAMETHYLENE OXIDE;2H-pyran,tetrahydro-;Etrahydropyran;UMOD |
| CAS: | 142-68-7 |
| MF: | C5H10O |
| MW: | 86.13 |
| EINECS: | 205-552-8 |
| Product Categories: | Anhydrous Solvents;Solvent Bottles;Solvent by Application;Solvent Packaging Options;Solvents;Sure/Seal Bottles |
| Mol File: | 142-68-7.mol |
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| Tetrahydropyran Chemical Properties |
| Melting point | −45 °C(lit.) |
| Boiling point | 88 °C(lit.) |
| density | 0.881 g/mL at 25 °C(lit.) |
| vapor density | 3 (vs air) |
| refractive index | n |
| Fp | 4 °F |
| storage temp. | Flammables area |
| solubility | >80.2g/l |
| form | Liquid |
| color | Clear colorless |
| Water Solubility | 80 g/L (25 ºC) |
| Merck | 14,9217 |
| BRN | 102436 |
| InChIKey | DHXVGJBLRPWPCS-UHFFFAOYSA-N |
| CAS DataBase Reference | 142-68-7(CAS DataBase Reference) |
| NIST Chemistry Reference | 2H-Pyran, tetrahydro-(142-68-7) |
| EPA Substance Registry System | Tetrahydropyran (142-68-7) |
| Safety Information |
| Hazard Codes | F,Xi,Xn |
| Risk Statements | 11-36/37/38-9-19-52/53-22 |
| Safety Statements | 9-16-26-33-36-61 |
| RIDADR | UN 1993 3/PG 2 |
| WGK Germany | 3 |
| TSCA | Yes |
| HazardClass | 3 |
| PackingGroup | II |
| HS Code | 29321100 |
| Hazardous Substances Data | 142-68-7(Hazardous Substances Data) |
| Tetrahydropyran Usage And Synthesis |
| Chemical Properties | colorless to light yellow liquid |
| Definition | ChEBI: A saturated organic heteromonocyclic parent that is cyclohexane in which one of the carbon atoms has been replaced by an oxygen atom. |
| Purification Methods | Dry oxane with CaH2, then pass it through a column of silica gel to remove olefinic impurities and fractionally distil it. Free it from peroxides and moisture by refluxing with sodium, then distil it from LiAlH4. Alternatively, peroxides can be removed by treatment with aqueous ferrous sulfate and sodium bisulfate, followed by solid KOH, and fractional distillation from sodium. [Beilstein 17 H 12, 17 I 6, 17 II 18, 17 III/IV 51, 17/1 V 64.] |
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CAS:142-68-7
