CAS 194804-91-6|4-BROMO-2, 3-DIFLUOROBENZOIC ACID
Cov mis mos molecular: C7H3BrF2O2
Molecular Luj: 237
EINECS:
Purity: 97% Min.
Pob: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
Kev xa khoom thoob ntiaj teb
- Kev xa khoom thoob ntiaj teb
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Khoom Taw qhia
Specification ntawm CAS 194804-91-6|4-BROMO-2, 3-DIFLUOROBENZOIC ACID
Yam khoom | SPECIFICATION |
Fp | 128 degree |
Boiling point | 288 degree |
pka ua | 2.7 0± 0.10 (Tshaj tawm) |
Cia temp. | Muab kaw rau hauv qhuav, 2-8 degree |
Qhov ntom | 1.872 |
Synthesis ntawmCAS 194804-91-6|4-BROMO-2, 3-DIFLUOROBENZOIC ACID
Cov xwm txheej
Theem #1: 1-bromo-2, 3-difluorobenzene Nrog n-butyllithium; Diisopropylamine Hauv tetrahydrofuran; hexane ntawm -78 - 0 degree ; rau 1h;.
Theem #2: carbon dioxide Hauv tetrahydrofuran; hexane ntawm 20 degree; rau 1h;.
Cim npe nrov: cas 194804-91-6|4-bromo-2, 3-difluorobenzoic acid, nqe, hais, luv nqi, hauv Tshuag, muag
