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mankhwala

4-(methylamino) -3-nitrobenzoic acid (CAS# 41263-74-5)

Chemical Property:

Molecular Formula C8H8N2O4
Molar Misa 196.16
Kuchulukana 1.472±0.06 g/cm3(Zonenedweratu)
Melting Point >300°C
Boling Point 393.7±37.0 °C(Zonenedweratu)
Pophulikira 191.9°C
Kusungunuka DMSO, Methanol
Kuthamanga kwa Vapor 6.62E-07mmHg pa 25°C
Maonekedwe Zolimba
Mtundu Yellow
pKa 4.28±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

4-Methylamino-3-nitrobenzoic acid ndi organic pawiri. Zotsatirazi ndizo zokhudzana ndi katundu, ntchito, njira zokonzekera ndi chitetezo cha mankhwalawa:

 

Ubwino:

- 4-Methylamino-3-nitrobenzoic acid ndi kristalo wopanda mtundu kapena wopepuka wachikasu wokhala ndi beaker komanso kukoma kowawa.

- Mankhwalawa amasungunuka pang'ono m'madzi ndipo amasungunuka mu ethanol ndi ether solvents.

 

Gwiritsani ntchito:

- Amagwiritsidwa ntchito kwambiri popanga mankhwala monga utoto, mankhwala ophera tizilombo, ndi zophulika.

 

Njira:

- 4-Methylamino-3-nitrobenzoic asidi akhoza kukonzekera ndi acylation wa p-nitrobenzoic asidi ndi toluidine.

- Pochitapo kanthu, nitrobenzoic acid ndi toluidine zimawonjezeredwa ku chotengeracho, ndipo zomwe zimachitika zimasunthidwa pa kutentha koyenera kuti pamapeto pake zipeze mankhwalawo.

 

Zambiri Zachitetezo:

- 4-Methylamino-3-nitrobenzoic acid imakwiyitsa ndipo iyenera kusamaliridwa mosamala komanso zida zodzitetezera ziyenera kuvala.

- Chisamaliro chiyenera kutengedwa pogwira pawiri kuti musakhudze khungu ndi maso, komanso kupewa kutulutsa fumbi kapena nthunzi yake.

- Sungani kutali ndi malo oyaka moto ndi kutentha ndipo sungani zotengera zotsekedwa mwamphamvu.

- Tsatirani njira zoyendetsera chitetezo pakugwiritsa ntchito. Monga momwe zingathere thandizo loyamba ndi njira zotayira zinyalala.

- Ngati mukumva kusapeza bwino kapena kutulutsa mpweya wambiri, pitani kuchipatala mwachangu.


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