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

Ngwongwo kemịkalụ:

Usoro ihe omimi C9H7F3O4S
Molar Mass 268.21
Njupụta 1.513
Ebe Na-agbaze > 98oC (dc.)
Ebe Boling 416.6± 45.0 °C(buru amụma)
Ebe mgbari 205.7C
Solubility Chloroform (Obere, kpụ ọkụ n'ọnụ), DMSO (Obere, ekpo ọkụ, Sonicated), methanol (Sli).
Uzuoku nrịbama 1.1E-07mmHg na 25°C
Ọdịdị siri ike
Agba Gbanyụọ-Ọcha ka ọ dị mfe beige
pKa 2.02± 0.10 (buru amụma)
Ọnọdụ Nchekwa 2-8 Celsius C
Nkwụsi ike Hygroscopic
Ntụgharị uche 1.492

Nkọwa ngwaahịa

Mkpado ngwaahịa

2-Methylsulfonyl-4-trifluoromethylbenzoic Acid (CAS# 142994-06-7) mmalite.

2-methylsulfonyl-4-trifluoromethylbenzoic acid (MSTFA) bụ ngwakọta organic nwere ihe ndị a:

Ọdịdị: MSTFA bụ mmiri mmiri edo edo na-enweghị ụcha.

Solubility: Ọ na-agbaze na ọtụtụ ihe mgbaze organic, dị ka dimethylformamide, acetonitrile, na methanol.

Nkwụsi ike: MSTFA bụ ogige kwụsiri ike, mana ọ nwere ike ire ere wee mepụta gas na-egbu egbu ma ọ bụ ihe na-emebi emebi n'oge nchekwa ma ọ bụ kpo oku.

A na-eji MSTFA eme ihe maka nyocha mmeghachi omume ntọhapụ na kemistri, yana ngwa ụfọdụ gụnyere:

Na nyocha gas chromatography-mass spectrometry (GC-MS), a na-eji MSTFA dị ka ihe na-emepụta ihe maka nhazi ihe nlele, nke nwere ike ịtụgharị ogige ndị na-adịghị agbanwe agbanwe ka ọ bụrụ ihe ndị a na-enyocha ngwa ngwa.

Enwere ike iji MSTFA maka mwepu nke lipids, ihe ndị na-eme ndụ ndụ (dị ka ketones na amino acids), yana ogige ndị nwere hydrogens na-arụ ọrụ (dị ka aldehydes, ketones, na acids).

Usoro a na-emekarị maka ịkwadebe MSTFA bụ imeghachi omume 2-methylsulfonyl-4-trifluoromethylphenylcarboxylic acid (MSTAA) na fluorinated sulfoxide (SO2F2) ma ọ bụ DAST (difluorothioamide trifluoromethanesulfonyl chloride).

Ozi nchekwa MSTFA: Ọ nwere ike imepụta gas na-egbu egbu ma ọ bụ ihe na-emebi emebi, yana usoro nchekwa ndị a kwesịrị ịgbaso:

Zere kọntaktị na akpụkpọ ahụ, anya, ma ọ bụ traktị iku ume, na yikwa ihe nchebe kwesịrị ekwesị dị ka uwe, enyo enyo, na respirators mgbe ị na-eji ya.

Na-arụ ọrụ na mpaghara ikuku na-ekuku nke ọma ma zere ikuru uzuzu ya ma ọ bụ uzuzu.

Mgbe ị na-echekwa, zere isi iyi nke ọkụ na ihe ndị na-adabaghị adaba.

Mkpofu mkpofu kwesịrị ịgbaso ụkpụrụ iwu obodo na e kwesịghị ịwụfu ya na-enweghị isi.


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