1,4-cyclohexanedimethanol
1,4-Cyclohexanedimethanol, mixture of cisand trans
CAS: 105-08-8
Molecular Formula: C8H16O2
1,4-cyclohexanedimethanol - Names and Identifiers
1,4-cyclohexanedimethanol - Physico-chemical Properties
| Molecular Formula | C8H16O2 |
| Molar Mass | 144.21 |
| Density | 1,04 g/cm3 |
| Melting Point | 31.5 °C |
| Boling Point | 283 °C (lit.) |
| Flash Point | 322°F |
| Water Solubility | MISCIBLE |
| Solubility | >34g/l soluble |
| Vapor Presure | 0.24Pa at 20℃ |
| Vapor Density | 5 (vs air) |
| Appearance | Solid |
| Color | Off-White Low-Melting |
| BRN | 1902271 |
| pKa | 14.75±0.10(Predicted) |
| PH | 4.2 (250g/l, H2O, 20℃) |
| Storage Condition | Store below +30°C. |
| Refractive Index | 1.4240 (estimate) |
| MDL | MFCD00001512 |
| Physical and Chemical Properties | Boiling Point: 284-288°C Melting Point: 41-46°C Content: ≥ 99.0% moisture: ≤ 0.2% Appearance: white waxy solid |
| Use | For the production of polyester fiber, etc |
1,4-cyclohexanedimethanol - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R36 - Irritating to the eyes R41 - Risk of serious damage to eyes |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S39 - Wear eye / face protection. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 1 |
| RTECS | GU9800000 |
| TSCA | Yes |
| HS Code | 29061990 |
1,4-cyclohexanedimethanol - Introduction
Diols with symmetrically substituted primary hydroxyl groups at the 1,4 positions on the cyclic structure. Miscible with water, miscible with alcohol ether and ketone. Miscible with water and low molecular weight alcohols, soluble in ketones, almost insoluble in aliphatic hydrocarbons and ether. Sublimation point (101.32 5千帕)160 ℃.
Last Update：2022-10-16 17:11:42
1,4-cyclohexanedimethanol - Reference Information
| LogP | 1.49 at 20℃ |
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | used in the manufacture of polyester fibers, polyester appliances, unsaturated polyester resins, polyester glazes, polyurethane foams, and for the production of lubricants and hydraulic fluids. In addition to the synthesis of PETG, it is also used as an intermediate for the synthesis of saturated and unsaturated polyesters for coatings, inks, adhesives, insulating materials and some special purposes. The product produced by 1,4-CHDM has a very high glass transition temperature. It has good hardness and certain flexibility. The obtained light-colored resin has excellent thermal stability and good solubility and weather resistance. Used to produce polyester fiber, etc. |
| production method | methanol solution of dimethyl terephthalate is hydrogenated and reduced under pressure to obtain the product. |
| category | toxic substances |
| toxicity classification | poisoning |
| acute toxicity | oral administration-rat LDL0: 3200 mg/kg; Oral administration-mouse LDL0: 1600 mg/kg |
| flammability hazard characteristics | combustible; smoke stimulated by thermal decomposition |
| storage and transportation characteristics | warehouse ventilation and low temperature drying |
| fire extinguishing agent | dry powder, foam, sand, carbon dioxide, mist water |
| auto-ignition temperature | 584 °F |
| toxic substance data | information provided by: pubchem.ncbi.nlm.nih.gov (external link) |
Last Update：2024-05-21 11:55:02
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