Trans-4-Pentyl-(1,1-Bicyclohexyl)-4-CarboxylicAcid,5HhaC18H32O2
trans-4'-Pentyl-(1,1'-bicyclohexyl)-4-carboxylic acid
CAS: 65355-33-1
Molecular Formula: C18H32O2
Trans-4-Pentyl-(1,1-Bicyclohexyl)-4-CarboxylicAcid,5HhaC18H32O2 - Names and Identifiers
| Name | trans-4'-Pentyl-(1,1'-bicyclohexyl)-4-carboxylic acid |
| Synonyms | 5HHA 4'-PENTYL-BICYCLOHEXYL-4-CARBOXYLIC ACID 4'-pentyl-1,1'-bi(cyclohexyl)-4-carboxylic acid [1,1'-bicyclohexyl]-4-carboxylic acid, 4'-pentyl- trans-4'-Pentyl-(1,1'-bicyclohexyl)-4-carboxylic acid trans,trans-4-(4-Pentylcyclohexyl)-cyclohexancarbonsure (1r,4r)-4'-pentyl-1,1'-bi(cyclohexyl)-4-carboxylic acid (TRANS,TRANS)-4'-PENTYL-[1,1'-BICYCLOHEXYL]-4-CARBOXYLIC ACID Trans-4-Pentyl-(1,1-Bicyclohexyl)-4-CarboxylicAcid,5HhaC18H32O2 |
| CAS | 65355-33-1 |
| InChI | InChI=1/C18H32O2/c1-2-3-4-5-14-6-8-15(9-7-14)16-10-12-17(13-11-16)18(19)20/h14-17H,2-13H2,1H3,(H,19,20)/t14?,15?,16-,17- |
Trans-4-Pentyl-(1,1-Bicyclohexyl)-4-CarboxylicAcid,5HhaC18H32O2 - Physico-chemical Properties
| Molecular Formula | C18H32O2 |
| Molar Mass | 280.45 |
| Density | 0.980±0.06 g/cm3(Predicted) |
| Boling Point | 400.2±13.0 °C(Predicted) |
| Flash Point | 193°C |
| Vapor Presure | 1.6E-07mmHg at 25°C |
| Appearance | White crystal |
| Color | White to Almost white |
| pKa | 4.90±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.49 |
Trans-4-Pentyl-(1,1-Bicyclohexyl)-4-CarboxylicAcid,5HhaC18H32O2 - Reference Information
| Application | trans-4-alkylcyclohexylcarboxylic acid is an essential intermediate for the synthesis of such liquid crystal materials, it is also often used in the synthesis of fine chemicals such as pharmaceuticals and pesticides. 4-pentylbicyclohexanoic acid can also be used to prepare the liquid crystalline monomer trans-, trans-4-alkyl-4 '-pentyl-3 (E) en-bicyclohexane. 4-pentylbicyclohexanoic acid is a trans-4-alkylcyclohexylcarboxylic acid compound. Cyclohexane liquid crystal has high phase transition temperature and low viscosity, which overcomes the shortcomings of low phase transition temperature, high viscosity and slow response speed of biphenyl liquid crystal which is still widely used at present, therefore, in recent years, the development of such liquid crystals has been rapid. |
| Application | 4-pentyl dicyclo-hexane carboxylic acid can be used for the preparation of compounds, trans-4-alkyl-4 '-pentyl-3 (E) en-bicyclohexane. On the contrary, trans-4-alkyl-4 '-pentyl-3 (E) ene-bicyclohexane liquid crystal monomer has small viscosity, fast response speed, good optical anisotropy, with other liquid crystal monomer compatibility high superior performance, at the same time the liquid crystal monomer clearing point is high, has good tolerance to light and heat. On the contrary, trans-4-alkyl-4 '-pentyl-3 (E) ene-bicyclohexane liquid crystal monomer as a very important liquid crystal base material, the amount used in the mixed crystal is large. The preparation route is as follows, which is low in production cost and suitable for industrial production. When R1 is N-pentyl, the target product is trans -4-N-pentyl-4 '-pentyl-3 (E) en-bicyclohexane. The route is as follows: |
Last Update：2024-04-09 21:01:54
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