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ibicuruzwa

2-Methylsulfonyl-4-trifluoromethylbenzoic Acide (CAS # 142994-06-7)

Umutungo wa Shimi:

Inzira ya molekulari C9H7F3O4S
Misa 268.21
Ubucucike 1.513
Ingingo yo gushonga > 98oC (Ukuboza)
Ingingo ya Boling 416.6 ± 45.0 ° C (Biteganijwe)
Flash point 205.7 ° C.
Gukemura Chloroform (Buhoro, Bishyushye), DMSO (Buhoro, Bishyushye, Sonicated), Methanol (Sli
Umwuka 1.1E-07mmHg kuri 25 ° C.
Kugaragara Birakomeye
Ibara Off-White to Light Beige
pKa 2.02 ± 0.10 (Byahanuwe)
Imiterere y'Ububiko 2-8 ° C.
Igihagararo Hygroscopique
Ironderero 1.492

Ibicuruzwa birambuye

Ibicuruzwa

2-Methylsulfonyl-4-trifluoromethylbenzoic Acide (CAS # 142994-06-7) intangiriro

2-methylsulfonyl-4-trifluoromethylbenzoic aside (MSTFA) ni ifumbire mvaruganda ifite imitungo ikurikira:

Kugaragara: MSTFA ni ibara ritagira ibara ryumuhondo.

Gukemura: Irashobora gushonga mumashanyarazi menshi, nka dimethylformamide, acetonitrile, na methanol.

Igihagararo: MSTFA nikintu gisanzwe gihamye, ariko irashobora kubora no kubyara imyuka yubumara cyangwa ibintu byangirika mugihe cyo kubika cyangwa gushyushya.

MSTFA ikoreshwa cyane cyane mu gusesengura reaction ya derivatisation muri chimie, hamwe nibikorwa byihariye birimo:

Mu isesengura rya gazi chromatografiya-rusange ya sprometrike (GC-MS), MSTFA ikoreshwa nka reagent ya reagent yo kwitegura icyitegererezo, gishobora guhindura ibinyabuzima bidahindagurika mubishobora gusesengurwa byoroshye.

MSTFA irashobora gukoreshwa mugukuramo lipide, ibintu bioaktike (nka ketone na acide amine), hamwe nibintu hamwe na hydrogène ikora (nka aldehydes, ketone, na acide).

Uburyo busanzwe bwo gutegura MSTFA nugukora 2-methylsulfonyl-4-trifluoromethylphenylcarboxylic aside (MSTAA) hamwe na fluor sulfoxide (SO2F2) cyangwa DAST (difluorothioamide trifluoromethanesulfonyl chloride).

Amakuru yumutekano ya MSTFA: Irashobora kubyara imyuka yubumara cyangwa ibintu byangirika, kandi hagomba gukurikizwa ingamba zumutekano zikurikira:

Irinde guhura nuruhu, amaso, cyangwa inzira zubuhumekero, kandi wambare ibikoresho bikwiye birinda nka gants, indorerwamo, hamwe nubuhumekero mugihe ukoresheje.

Korera ahantu hafite umwuka mwiza kandi wirinde guhumeka imyuka cyangwa umukungugu.

Mugihe ubitse, irinde isoko yumuriro nibikoresho bidahuye.

Kujugunya imyanda bigomba kubahiriza amabwiriza y’ibanze kandi ntibigomba kujugunywa mu buryo butarobanuye.


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