355-80-6
2,2,3,3,4,4,5,5-Octafluoro-1-Pentanol
CAS: 355-80-6
Molecular Formula: C5H4F8O
355-80-6 - Names and Identifiers
355-80-6 - Physico-chemical Properties
| Molecular Formula | C5H4F8O |
| Molar Mass | 232.07 |
| Density | 1.667 g/mL at 25 °C (lit.) |
| Boling Point | 141-142 °C (lit.) |
| Flash Point | 168°F |
| Water Solubility | insoluble |
| Vapor Presure | 2.52mmHg at 25°C |
| Appearance | liquid |
| Specific Gravity | 1.667 |
| Color | colorless |
| Merck | 14,6746 |
| BRN | 1773494 |
| pKa | 12.91±0.10(Predicted) |
| Storage Condition | 2-8°C |
| Refractive Index | n20/D 1.318(lit.) |
| Use | Used as a solvent for optical disc coating |
355-80-6 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S37/39 - Wear suitable gloves and eye/face protection |
| WGK Germany | 3 |
| RTECS | SA7650000 |
| TSCA | Yes |
| HS Code | 29055910 |
| Hazard Note | Flammable |
| Toxicity | LCLo ihl-rat: 2500 ppm/4H JOCMA7 4,262,62 |
355-80-6 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| application | 2,2,3,3,4,4,5, 5-octafluoro-1-pentanol is a kind of important fluorine-containing fine chemicals, It is non-toxic, non-corrosive and excellent lubricity; due to its fluorine atom, it shows characteristics different from traditional fatty alcohols, it is widely used in pesticide, medicine, dye and other industries, and is an important raw material for green finishing agent of synthetic fabric oil and water repellent. |
| recovery and preparation | 2,3,3,4,4,5, 5-octafluoro-1-pentanol preparation is as follows: (1) take 3kg of residual liquid, add 10kg of chloroform, heat and stir to fully dissolve it, filter by suction, and extract solid residue; (2) the filtrate is distilled at normal pressure to recover 9.8kg of chloroform; (3) distillation to obtain 1.4kg of organic phase of primer. the organic phase is first rectified at normal pressure, tetrafluoropropanol is distilled, the negative pressure is adjusted to -0.09MPa after cooling to 60 ℃, the reflux ratio is adjusted to 1:1 after heating for 1 hour, and fractions below 130 ℃ are collected, A total of 0.58kg of distillate was obtained. The main components of the 0.58kg distillate are tetrafluoropropanol 50.25%,2,2,3,3,4,4,5, 5-octafluoro-1-pentanol 28.69%, dodecafluoroheptanol 5.94%, dechexanylnonanol 1.65%, and the distillate yield is 16.6%. |
| use | as a solvent for optical disk coating |
Last Update：2024-04-10 22:29:15
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