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| Product Name: | 1,6-Hexanediol | | Synonyms: | HEXANE-1,6-DIOL;HEXAMETHYLENE GLYCOL;HDO(R);1,6-DIHYDROXYHEXANE;1,6-HEXANEDIOL;1,6-HDO;1,6-HEXYLENE GLYCOL;HDO 1,6-Hexanediol Flakes | | CAS: | 629-11-8 | | MF: | C6H14O2 | | MW: | 118.17 | | EINECS: | 211-074-0 | | Product Categories: | Industrial/Fine Chemicals;HDO;amine series;Building Blocks;Organic solvents;Organic synthesis intermediates.plasticizer;alpha,omega-Alkanediols;alpha,omega-Bifunctional Alkanes;Monofunctional & alpha,omega-Bifunctional Alkanes;Optimization Reagents;Chemical Synthesis;Organic Building Blocks;Oxygen Compounds;Polyols;Protein Structural Analysis;X-Ray Crystallography;629-11-8;bc0001 | | Mol File: | 629-11-8.mol |
| 1,6-Hexanediol Chemical Properties |
| Melting point | 38-42 °C (lit.) | | Boiling point | 250 °C (lit.) | | density | 0.96 | | vapor pressure | 0.53 mm Hg ( 20 °C) | | refractive index | 1.457 | | Fp | 215 °F | | storage temp. | Store below +30°C. | | solubility | H2O: 0.1 g/mL, clear, colorless | | form | Waxy Flakes | | pka | 14.87±0.10(Predicted) | | color | White | | PH | 7.6 (900g/l, H2O, 20℃) | | explosive limit | 6.6-16%(V) | | Water Solubility | 500 g/L | | Sensitive | Hygroscopic | | λmax | λ: 260 nm Amax: 0.1λ: 280 nm Amax: 0.1 | | Merck | 14,4690 | | BRN | 1633461 | | InChIKey | XXMIOPMDWAUFGU-UHFFFAOYSA-N | | LogP | 0 at 25℃ | | CAS DataBase Reference | 629-11-8(CAS DataBase Reference) | | NIST Chemistry Reference | 1,6-Hexanediol(629-11-8) | | EPA Substance Registry System | 1,6-Hexanediol (629-11-8) |
| 1,6-Hexanediol Usage And Synthesis |
| Description | 1,6-Hexanediol is a waxy hygroscopic solid compound that is white in colour. The compound is a linear diol that contains two primary hydroxyl groups that are located at the terminal. 1,6-Hexanediol’s linear hydrocarbon chain enables the compound to have enhanced hardness and flexibility of polyesters. Moreover, this property is utilized in the extending chains in polyurethanes.
| | Preparation | 1,6-Hexanediol is produced by a propriety process that is based on BASF technology. Industrially, it is prepared by the hydrogenation of adipic acid. Conversely, in the laboratory, 1,6-Hexanediol can be synthesized by the reduction of adipic acid with lithium aluminum hydride.
| | Uses and Applications | Polyurethanes
1,6-Hexanediol is widely utilized in the manufacture of polyesterols such as sebacates, azelates, and adipates. These compounds are resistant to hydrolysis and have low glass transition temperature as well as high mechanical levels. 1,6-hexanediol is used as an ingredient in the preparation of a wide range of tailor-made products for numerous specialty and standard applications.
In Acrylics
1,6-hexanediol is utilized as an ingredient in the manufacture of the bifunctional hexanediol diacrylate which is a monomer that is normally used in conjunction with other acrylic monomers as a reactive diluent for decorative coatings and printing inks.
In Adhesives
Urethanes and co-terephthalates that are based on 1,6-hexanediol provide faster better tack properties and crystallization. Due to its low glass transition property, 1,6-hexanediol offers high flexibility as well as excellent adhesive properties.
Other Uses
1,6-hexanediol is incorporated into the production of other compounds used in polymeric thickeners, sizing agents, plasticizers for polyvinyl chloride, pesticides, and surfactants dyestuffs as a flexible building block.
| | Safety | 1,6-hexanediol is a no-irritating to the skin. However, it can be irritative to the respiratory tract and mucous membrane. 1,6-hexanediol vapours or dust cause irritation to the eye. Severe eye exposure may cause conjunctivitis, iritis, and diffuse corneal opacity.
| | Chemical Properties | white waxy flakes | | Uses | Solvent, intermediate for high polymers (nylon,
polyesters), coupling agent, coil coating. | | Uses | 1,6-Hexanediol is used in polymer synthesis such as polyester, polyurethane and nylon. It is used as an intermediate to adhesives, acrylics and dyestuffs. Further, it is employed in gasoline refining and pharmaceutical production. | | Uses | 1,6-Hexanediol can be used for a variety of applications such as:- a structure-directing agent for the synthesis of ZSM-5 zeolite
- a solvent for titanium tetraisopropoxide to form titanium oxide (TiO2) nanocrystals
- a phase change material in combination with lauric acid for thermal energy storage applications
| | Definition | ChEBI: A diol that is hexane substituted by hydroxy groups at positions 1 and 6. | | Synthesis Reference(s) | Tetrahedron Letters, 34, p. 243, 1993 DOI: 10.1016/S0040-4039(00)60557-9 | | Hazard | Toxic by ingestion. | | Purification Methods | Fractionally crystallise it from its melt or from water. Distil it in vacuo. [Beilstein 1 IV 2556.] |
| 1,6-Hexanediol Preparation Products And Raw materials |
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