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mankhwala

3 5-Dichloro-4-hydroxybenzoic acid (CAS# 3336-41-2)

Chemical Property:

Molecular Formula C7H4Cl2O3
Molar Misa 207.01
Kuchulukana 1.5281 (kuyerekeza movutikira)
Melting Point 264-266 °C (kuyatsa)
Boling Point 297.29°C (kuyerekeza molakwika)
Pophulikira 152.3°C
Kusungunuka DMSO (Pang'ono), Methanol (Pang'ono)
Kuthamanga kwa Vapor 7.79E-05mmHg pa 25°C
Maonekedwe Zolimba
Mtundu White mpaka Off-White
Mtengo wa BRN 2616297
pKa 3.83±0.10 (Zonenedweratu)
Mkhalidwe Wosungira M'mlengalenga, Kutentha kwa Zipinda
Refractive Index 1.4845 (chiyerekezo)
MDL Mtengo wa MFCD00002550
Zakuthupi ndi Zamankhwala Mwala woyera. Malo osungunuka 268-269 ℃.
Gwiritsani ntchito Amagwiritsidwa ntchito ngati wapakatikati mu organic synthesis

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa 36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
WGK Germany 3
Mtengo wa RTECS DG7502000
HS kodi 29182900

 

Mawu Oyamba

3,5-Dichloro-4-hydroxybenzoic acid ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu wake, ntchito, njira zopangira ndi chitetezo:

 

Ubwino:

- Maonekedwe: 3,5-Dichloro-4-hydroxybenzoic asidi ndi colorless to woyera crystalline ufa.

- Kusungunuka: Amasungunuka mu zosungunulira zina monga ma alcohols ndi ether, koma sasungunuka m'madzi.

 

Gwiritsani ntchito:

 

Njira:

- 3,5-Dichloro-4-hydroxybenzoic asidi akhoza analandira ndi chlorine wa asidi parahydroxybenzoic. Njira yeniyeni ndikuchita hydroxybenzoic acid ndi thionyl chloride m'malo mwa atomu ya haidrojeni pa gulu la hydroxyl ndi maatomu a klorini pansi pa mikhalidwe ya acidic kudzera m'malo mwa ayoni a kloride.

 

Zambiri Zachitetezo:

- Zotsatira paumoyo wa anthu: 3,5-dichloro-4-hydroxybenzoic acid ilibe vuto lililonse paumoyo wa anthu nthawi zambiri imagwiritsidwa ntchito.

- Pewani kukhudzana: Pogwira ntchito imeneyi, pewani kukhudzana mwachindunji pakati pa khungu ndi maso ndipo onetsetsani kuti mukugwira ntchito pamalo abwino mpweya wabwino.

- Njira zodzitetezera posungira: Iyenera kusungidwa pamalo owuma, ozizira, komanso mpweya wabwino, kutali ndi moto ndi zoyaka.


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