CAS 194804-91-6 | 4-BROMO-2,3-DIFLUOROBENZOIC ACID
Molecular Formula: C7H3BrF2O2
Molecular Weight: 237
EINECS:
Purity: 97% Min.
Package: 1 g / 5 g / 25 g / 100 g / 1 kg / 25 kg
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Product Introduction
Specification of CAS 194804-91-6 | 4-BROMO-2,3-DIFLUOROBENZOIC ACID
ITEMS | SPECIFICATION |
Fp | 128℃ |
Boiling point | 288℃ |
pka | 2.70±0.10(Predicted) |
Storage temp. | Sealed in dry,2-8°C |
Density | 1.872 |
Synthesis of CAS 194804-91-6 | 4-BROMO-2,3-DIFLUOROBENZOIC ACID
Conditions
Stage #1: 1-bromo-2,3-difluorobenzene With n-butyllithium; diisopropylamine In tetrahydrofuran; hexane at -78 - 0℃; for 1h;
Stage #2: carbon dioxide In tetrahydrofuran; hexane at 20℃; for 1h;
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