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mankhwala

2 3-Difluorobenzoic acid (CAS # 4519-39-5)

Chemical Property:

Molecular Formula C7H4F2O2
Molar Misa 158.1
Kuchulukana 1.3486 (chiyerekezo)
Melting Point 163-165 ° C (kuyatsa)
Boling Point 248.1±20.0 °C(Zonenedweratu)
Pophulikira 103.9°C
Kusungunuka kwamadzi pang'ono sungunuka
Kuthamanga kwa Vapor 0.0131mmHg pa 25°C
Maonekedwe Crystalline ufa
Mtengo wa BRN 2640781
pKa 2.93±0.10 (Zonenedweratu)
Mkhalidwe Wosungira Osindikizidwa muuma, Kutentha Kwapachipinda
MDL Mtengo wa MFCD00010267

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Zizindikiro Zowopsa Xi - Zosangalatsa
Zizindikiro Zowopsa R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R37/38 - Zokwiyitsa dongosolo la kupuma ndi khungu.
R36 - Zokhumudwitsa m'maso
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
HS kodi 29163990
Kalasi Yowopsa ZOKWIYA

 

Mawu Oyamba

2,3-Difluorobenzoic acid ndi organic pawiri. Zotsatirazi ndizofotokozera za katundu, ntchito, njira zokonzekera ndi chitetezo cha 2,3-difluorobenzoic acid:

 

Ubwino:

- Mawonekedwe: Makristali opanda mtundu olimba

 

Gwiritsani ntchito:

 

Njira:

- 2,3-Difluorobenzoic acid akhoza kukonzedwa ndi fluorinating paraben. Fluorinating agents monga hydrofluoric acid ndi ferrous fluoride amagwiritsidwa ntchito kwambiri.

 

Zambiri Zachitetezo:

- Pewani kukhudzana ndi khungu, maso, ndi mucous nembanemba, ndipo muzimutsuka nthawi yomweyo ndi madzi ambiri ngati akhudza.

- Posunga ndikugwira, pewani kukhudzana ndi ma okosijeni ndi ma asidi amphamvu, ndipo pewani kutenthedwa ndi kutentha ndi malawi.

- Ngati kuli kofunikira, funsani katswiri wamankhwala kuti mudziwe zambiri zachitetezo.


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