4-cyanobiphenyl / CAS: 2920-38-9
Cov lus piav qhia luv luv:
Khoom npe: 4-cyanobiphenyl
CAS: 2920-38-9
Mf:C13h9n
MW: 179.22
Tus qauv:
kev qhia tshwj xeeb
| Yam | Cov lus qhia | Qho kawg |
| Kev tshwm sim | Dawb rau off-dawb ruaj. | Ua raws |
| Kev coj dawb huv | ≥99.0% | 99.83% |
| Melting taw tes | 85% -87% | 86.3% |
| Dej | I≤0.3% | 0.07% |
| Tag | Cov Khoom Taw Qhia Cov Qauv Koom Tes | |
Kev siv
4-Cyanobiphenyl yog nruab nrab tseem ceeb rau cov ntaub ntawv siv ua kua thiab tuaj yeem siv dav hauv cov chaw xws li tshuaj thiab dyes.
Qhov ceev faj: 1.1 ± 0.1 g / cm³ boiling taw tes: 332.3 ° C ntawm 760 mmhg melting taw tes: 85 - 87 ° C (lit.).Nws yog insoluble hauv dej tab sis yooj yim soluble hauv ethanol thiab ethyl ether.
Ntim thiab Thauj Khoom
25kg / nruas lossis raws li cov neeg siv khoom.
Belongs rau cov khoom lag luam thiab tuaj yeem xa los ntawm dej hiav txwv thiab huab cua
Khaws thiab Cia
Txee lub neej: 24 lub hlis txij hnub ua lag luam hauv cov khoom ntim tsis tau ntim rau hauv qhov chaw txias txias tawm ntawm lub hnub ncaj qha, dej.
Qhov chaw ua kom lub tsev rau khoom, tsis muaj kub kom qhuav ziab, sib cais los ntawm oxidants, acids.
