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

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

2-methylsulfonyl-4-trifluoromethylbenzoic acid (MSTFA) jẹ agbo-ara Organic pẹlu awọn ohun-ini wọnyi:

Ifarahan: MSTFA jẹ omi ti ko ni awọ si ina.

Solubility: O jẹ tiotuka ninu ọpọlọpọ awọn nkan ti o nfo Organic, gẹgẹbi dimethylformamide, acetonitrile, ati methanol.

Iduroṣinṣin: MSTFA jẹ agbo-ara ti o duro ni iwọn, ṣugbọn o le jẹjẹ ki o gbejade awọn gaasi majele tabi awọn nkan ibajẹ lakoko ibi ipamọ tabi alapapo.

MSTFA jẹ lilo akọkọ fun itupalẹ awọn aati itọsẹ ninu kemistri, pẹlu awọn ohun elo kan pato pẹlu:

Ninu itupalẹ gaasi chromatography-mass spectrometry (GC-MS), MSTFA ni a lo bi itọsẹ itọsẹ fun iṣaju iṣapeye, eyiti o le yi awọn agbo ogun ti kii ṣe iyipada pada si awọn itọsẹ itupalẹ irọrun.

MSTFA le ṣee lo fun itọlẹ awọn lipids, awọn nkan bioactive (gẹgẹbi awọn ketones ati amino acids), ati awọn agbo ogun pẹlu hydrogens ti nṣiṣe lọwọ (bii aldehydes, ketones, ati acids).

Ọna ti o wọpọ fun igbaradi MSTFA ni lati fesi 2-methylsulfonyl-4-trifluoromethylphenylcarboxylic acid (MSTAA) pẹlu fluorinated sulfoxide (SO2F2) tabi DAST (difluorothioamide trifluoromethanesulfonyl chloride).

Alaye aabo MSTFA: O le gbe awọn gaasi majele tabi awọn nkan ti o bajẹ, ati pe awọn ọna aabo wọnyi yẹ ki o tẹle:

Yago fun olubasọrọ pẹlu awọ ara, oju, tabi atẹgun atẹgun, ki o si wọ awọn ohun elo aabo ti o yẹ gẹgẹbi awọn ibọwọ, awọn goggles, ati awọn atẹgun nigba lilo.

Ṣiṣẹ ni agbegbe ti o ni afẹfẹ daradara ki o yago fun fifun simi tabi eruku rẹ.

Nigbati o ba tọju, yago fun awọn orisun ina ati awọn ohun elo ti ko ni ibamu.

Idoti idoti yẹ ki o wa ni ibamu pẹlu awọn ilana agbegbe ati pe ko yẹ ki o da silẹ lainidi.