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mankhwala

3 4-Dimethylbenzoic acid (CAS # 619-04-5)

Chemical Property:

Molecular Formula C9H10O2
Misa ya Molar 150.17
Kuchulukana 1.0937 (chiyerekezo)
Melting Point 163-165 ° C (kuyatsa)
Boling Point 271.51°C (kuyerekeza)
Pophulikira 134.9°C
Kusungunuka kwamadzi 129.2mg/L(kutentha sikunatchulidwe)
Kuthamanga kwa Vapor 0.000728mmHg pa 25°C
Maonekedwe Crystalline Powder
Mtundu White mpaka beige
Mtengo wa BRN 907267
pKa 4.44±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
Refractive Index 1.5188 (chiyerekezo)
MDL Mtengo wa MFCD00002524
Zakuthupi ndi Zamankhwala ufa woyera kapena kristalo. Malo osungunuka 165-167 ℃.
Gwiritsani ntchito Amagwiritsidwa ntchito ngati wapakatikati mu organic synthesis
Maphunziro a in vitro 3,4-Dimethylbenzoic acid ndi oxidised ndi 4-methylbenzoate (p-toluate) -maselo okhwima a Rhodococcus rhodochrous N75 kudzera mu ortho-pathway kupyolera mu intermediates 3,4-dimethylcatechol.

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R22 - Zowopsa ngati zitamezedwa
Kufotokozera Zachitetezo S22 - Osapumira fumbi.
S24/25 - Pewani kukhudzana ndi khungu ndi maso.
S37/39 - Valani magolovesi oyenera komanso chitetezo chamaso / kumaso
S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
WGK Germany 3
Mtengo wa RTECS DG8734020
TSCA Inde
HS kodi 29163900

 

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