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mankhwala

5-formyl-2 4-dimethyl-1H-pyrrole-3-carboxylic acid (CAS# 253870-02-9)

Chemical Property:

Molecular Formula C8H9NO3
Molar Misa 167.16
Kuchulukana 1.342±0.06 g/cm3(Zonenedweratu)
Melting Point 283°C(kuyatsa)
Boling Point 374.9±42.0 °C(Zonenedweratu)
Pophulikira 180.517°C
Kusungunuka kwamadzi Zosungunuka pang'ono m'madzi.
Kusungunuka Aqueous Base (Pang'ono), DMSO (Pang'ono), Methanol (Pang'ono)
Kuthamanga kwa Vapor 0mmHg pa 25°C
Maonekedwe Crystalline ufa
Mtundu Beige
pKa 5.56±0.50 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, Osindikizidwa owuma, Kutentha kwachipinda
Refractive Index 1.625
MDL Mtengo wa MFCD06202342
Zakuthupi ndi Zamankhwala Yellow Crystal

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa

 

Mawu Oyamba

2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid ndi organic pawiri.

 

Ubwino:

- Maonekedwe: 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid ndi kristalo wopanda mtundu.

- Solubility: 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid ndi osasungunuka m'madzi, koma sungunuka mu zosungunulira organic monga Mowa, etha, etc.

 

Gwiritsani ntchito:

- 2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid angagwiritsidwe ntchito ngati utoto wapakatikati ndi zopangira za organic synthesis.

 

Njira:

2,4-Dimethyl-5-aldehyde-pyrrole-3-carboxylic acid ikhoza kukonzedwa pochita aniline ndi malonic acid dianhydride. Masitepe enieni a reaction ndi awa:

Aniline ndi malonic acid dianhydride amasakanikirana ndikuchitapo pa kutentha koyenera kuti apange amil compound.

Kenako, pamikhalidwe yoyenera, redox anachita kuti kuchepetsa sulfyl pawiri kukhala 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid.

 

Zambiri Zachitetezo:

Zambiri zachitetezo cha 2,4-dimethyl-5-aldehyde-pyrrole-3-carboxylic acid: Chonde onani zidziwitso zachitetezo chapawiriyi. Mukagwiritsidwa ntchito, muyenera kutsatira njira zotetezeka za labotale, kuvala zida zodzitetezera, kuwonetsetsa kuti malo oyeserawo ali ndi mpweya wabwino, komanso kupewa kukhudzana ndi khungu ndi maso. Iyeneranso kusungidwa pamalo ozizira, owuma, kutali ndi moto ndi zipangizo zoyaka. Pakakhala kutayikira, njira zoyenera ziyenera kuchitidwa kuti zithetse. Kuti muwonetsetse chitetezo, funsani chitsogozo cha akatswiri.


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