Cov khoom
N-Methyl-P-Nitroaniline (MNA)
| Lus Askiv synonym | 4-methylaminonitrobenzene;4-nitro-n-methylaniline;1-methylamino-4-nitrobenzene; nitronaniline; methyl-4-nitroaniline; n-methyl-4-nitroaniline; impurity 10 |
| Solubility | Soluble hauv acetone, benzene, me ntsis soluble hauv cawv, insoluble hauv dej. |
| Siv | Siv rau organic synthesis, dye intermediates. |
| CAS Nr. | 100-15-2 ib | Molecular Luj | 152.151 Nws |
| Qhov ntom | 1.3 ± 0.1g / cm3 | Boiling Point | 290.6 ± 23.0 ° C ntawm 760 mmHg |
| Molecular Formula | C7H8N2O2 | Melting Point | 149-151 ° C (lit.) |
| Flash Point | 129.5 ± 22.6 ° C | ||
| tsos | Txiv kab ntxwv powdery khoom, muaj cov cuab yeej sublimation yooj yim, | ||
| SN | Kev tshuaj xyuas yam khoom | Chav tsev | Tus nqi |
| 1 | MNA pawg feem | % | ≥98.5 |
| 2 | Ph | 5.0 ~ 7.0 | |
| 3 | Cov dej loj feem | % | ≤ 0.05 |
| 4 | melting point | ℃ | 150.0 ~ 153.0 |
| 5 | Particle loj, 450µm (40 mesh) residue ntawm sieve | Nil |
Sau ntawv
1) tag nrho cov ntaub ntawv kev qhia saum toj no yog rau koj siv.
2) lwm qhov tshwj xeeb yog txais tos rau kev sib tham ntxiv.
Cia:
Khaws cov thawv kaw kom nruj.Khaws rau hauv qhov chaw txias, qhuav kom deb ntawm cov khoom tsis sib xws.
tuav
Tag nrho cov tshuaj yuav tsum raug xam tias muaj kev phom sij.Tsis txhob tiv tauj lub cev ncaj qha.Siv cov cuab yeej kev nyab xeeb uas tsim nyog, pom zoo.Cov neeg tsis tau txais kev cob qhia yuav tsum tsis txhob tuav cov tshuaj no lossis nws lub thawv.Kev tuav yuav tsum tshwm sim nyob rau hauv cov tshuaj fume hood.
Sau koj cov lus ntawm no thiab xa tuaj rau peb
