Propionic anhydride | 123-62-6 : kuv
Product Physical Data:
| Khoom npe | Propionic anhydride |
| Cov khoom | Colorless pob tshab kua |
| Qhov ceev (g / cm3) | 1.015 Nws |
| Melting Point (°C) | -42 |
| Kub taw tes (°C) | 167 |
| Flash point (°C) | 73 |
| Solubility ntawm dej (20 ° C) | hydrolyses |
| Vapor Pressure (57 ° C) | 10 mmHg |
| Solubility | Soluble hauv methanol, ethanol, ether, chloroform thiab alkali, decomposes hauv dej. |
Khoom siv:
1.Chemical synthesis: Propionic anhydride yog ib qho tseem ceeb raw khoom rau ntau cov tshuaj tiv thaiv, feem ntau yog siv rau hauv esters, amides, acylation cov tshuaj tiv thaiv thiab lwm yam organic synthesis.
2.Organic hnyav: Propionic anhydride tuaj yeem siv los ua cov kuab tshuaj organic rau kev tawg thiab npaj cov dyes, resins, plastics thiab lwm yam.
3.Pharmaceutical teb: Propionic anhydride tuaj yeem siv rau hauv kev sib xyaw ntawm qee cov tshuaj, xws li finasteride, chloramphenicol propionate thiab lwm yam.
Cov ntaub ntawv kev nyab xeeb:
1.Propionic anhydride tuaj yeem ua rau qhov muag, ua pa thiab tawv nqaij khaus; ntxuav tam sim ntawd tom qab sib cuag.
2. Hnav cov hnab looj tes tiv thaiv, tsom iav thiab lub qhov ncauj qhov ntswg thaum siv propionic anhydride thiab tswj qhov chaw ua haujlwm zoo.
3.Propionic anhydride yog flammable, tsis txhob sib cuag nrog tshav kub los yog qhib nplaim taws.
4. Khaws rau hauv lub thawv kaw kom deb ntawm qhov chaw ntawm hluav taws xob thiab oxidising cov neeg ua haujlwm.
