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mankhwala

2,2-Difluoro-5-aminobenzodioxole (CAS# 1544-85-0)

Chemical Property:

Molecular Formula C7H5F2NO2
Molar Misa 173.12
Kuchulukana 1.51±0.1 g/cm3(Zonenedweratu)
Boling Point 95-97 ° C 12mm
Pophulikira 95-97 ° C / 12mm
Kusungunuka kwamadzi Osati miscible kapena zovuta kusakaniza m'madzi.
Kuthamanga kwa Vapor 0.0208mmHg pa 25°C
Maonekedwe madzi oyera
Mtundu Zopanda mtundu kwa Brown
Mtengo wa BRN 1343593
pKa 4.18±0.40 (Zonenedweratu)
Mkhalidwe Wosungira Sungani pamalo amdima, osindikizidwa pouma, 2-8 ° C
Zomverera Kuwala Kumverera
Refractive Index 1.498

Tsatanetsatane wa Zamalonda

Zolemba Zamalonda

Ngozi ndi Chitetezo

Zizindikiro Zowopsa R20/21/22 - Zowopsa pokoka mpweya, kukhudzana ndi khungu komanso kumeza.
R36/37/38 - Zokwiyitsa maso, kupuma komanso khungu.
R52 - Zowononga zamoyo zam'madzi
R43 - Itha kuyambitsa chidwi pakukhudzana ndi khungu
R36 - Zokhumudwitsa m'maso
Kufotokozera Zachitetezo S26 - Mukakhudza maso, yambani nthawi yomweyo ndi madzi ambiri ndikupempha uphungu wachipatala.
S36/37/39 - Valani zovala zodzitchinjiriza zoyenera, magolovesi ndi chitetezo chamaso / kumaso.
S36/37 - Valani zovala zoyenera zodzitchinjiriza ndi magolovesi.
Ma ID a UN 2811
WGK Germany 3
Zowopsa Zapoizoni
Kalasi Yowopsa 6.1
Packing Group III

Mawu Oyamba

Ndi organic pawiri ndi mankhwala chilinganizo C7H4F2N2O. Zotsatirazi ndikulongosola za chikhalidwe, kagwiritsidwe ntchito, njira ndi chidziwitso cha chitetezo cha AFBX:Chilengedwe:
AFBX ndi kristalo wopanda mtundu wolimba. Malo ake osungunuka ndi pafupifupi madigiri 260-261 Celsius. Ndiwokhazikika kutentha kwa firiji ndipo imatha kusungunuka muzitsulo zosungunulira nthawi zonse.

Gwiritsani ntchito:
AFBX imagwiritsidwa ntchito makamaka ngati mankhwala ophera tizirombo ndi herbicides. Ili ndi ntchito yabwino yopha tizirombo ndi herbicides ndipo imatha kugwiritsidwa ntchito polimbana ndi tizirombo ndi udzu. Kuphatikiza apo, itha kugwiritsidwanso ntchito ngati chowongolera kukula kwa mbewu m'munda waulimi.

Njira:
The synthesis wa AFBX akhoza analandira ndi zimene 2,2-difluoro -1,3-benzobisoxazole ndi ammonia. Zomwe zimachitika nthawi zambiri zimachitika pa kutentha kwambiri, ndipo machitidwe amatha kutetezedwa ndi nayitrogeni kapena mpweya wina wa inert. Njira zopangira zenizeni zimaphatikizaponso masitepe angapo amankhwala, kuphatikiza kusankha momwe zinthu zimachitikira komanso zothandizira.

Zambiri Zachitetezo:
AFBX ndiyotetezeka pansi pamikhalidwe yoyenera yogwiritsira ntchito ndi kusungirako. Komabe, ndi mankhwala, choncho ayenera kutsatira njira zina chitetezo. Zida zodzitetezera zoyenera monga magolovesi a labu, magalasi ndi malaya a labu ziyenera kugwiritsidwa ntchito pogwira ndi kukhudza AFBX. Pewani kukhudzana ndi khungu, maso ndi kupuma. Ngati pali kukhudzana, muzimutsuka ndi madzi nthawi yomweyo. Nthawi yomweyo, kugwiritsa ntchito ndi kutaya kwa AFBX kuyenera kutsata malamulo ndi malangizo akumaloko.


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