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Type | HazMat fee for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
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Inaccessible (Haz class 6.1), International | USD 150+ |
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CAS No. : | 852062-17-0 | MDL No. : | MFCD10699117 |
Formula : | C6H4F4N2 | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | HAVVQRHBCUBQGG-UHFFFAOYSA-N |
M.W : | 180.10 | Pubchem ID : | 25067349 |
Synonyms : |
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Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P271-P261-P264-P270-P280-P301+P310-P302+P352-P304+P340-P305+P351+P338-P312-P330-P361+P364-P405-P403+P233-P501 | UN#: | 2811 |
Hazard Statements: | H315-H319-H335-H301+H311 | Packing Group: | Ⅲ |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
20% | With potassium hydroxide; water; bromine; at 0 - 20℃; for 122.0h; | Description 118; 3-Fluoro-5-trifluoromethylpvridin-2-amine; Bromine (630 Ill, 1.3 mmol) was added to a solution of KOH (3.3 g, 58 mmol) in water (30 ml) cooled at 0C. The resulting yellow solution was stirred for 5 minutes, then Description 117 (2 g, 9.6 mmol) was added in portions over 2 hours and the reaction mixture stirred at room temperature for 5 days. The mixture was then extracted 3 times with diethyl ether and the combined organic extracts dried over Na2SO4, filtered, and evaporated to give a solid (330 mg, 20%). 1H NMR (400 MHz, CDCI3) 5.07 (2 H, s), 7.40 (1 H, dd, J10.4 and 1.6), 8.14 (1 H, s). |