There will be a HazMat fee per item when shipping a dangerous goods. The HazMat fee will be charged to your UPS/DHL/FedEx collect account or added to the invoice unless the package is shipped via Ground service. Ship by air in Excepted Quantity (each bottle), which is up to 1g/1mL for class 6.1 packing group I or II, and up to 25g/25ml for all other HazMat items.
type | HazMat fee |
Excepted Quantity | Free |
Inaccessible (Haz class 6.1), Domestic | USD 41.00 |
Inaccessible (Haz class 6.1), International | USD 64.00 |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 83.00 |
Accessible (Haz class 3, 4, 5 or 8), International | USD 133.00 |
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CAS No. : | 1013642-97-1 | MDL No. : | MFCD15526856 |
Formula : | C5H3BrN2O3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | N/A |
M.W : | 218.99 g/mol | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P261-P264-P270-P271-P280-P302+P352-P304+P340-P310-P330-P361-P403+P233-P405-P501 | UN#: | 2811 |
Hazard Statements: | H301-H311-H331 | Packing Group: | Ⅲ |
GHS Pictogram: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With hydrogen;platinum on carbon; In tetrahydrofuran; methanol; | A solution of 5.3g (22.7mmol) <strong>[1013642-97-1]2-bromo-4-nitro-pyridin-3-ol</strong> in 100ml MeOH:THF = 1:2 is hydrogenated in the presence of 0.5g Pt/C (5%, Engelhard 4709). The reaction mixture is filtered (2 glass fiber filters used) and the filtrate is concentrated in vacuo to afford the crude title compound as a brown solid. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With sulfuric acid; nitric acid; for 12.0h; | To a solution of 13g (73.2mmol) 2-bromo-3-pyridinol (Fluka 18292) in 40ml of conc. sulfuric acid 5.1 ml (74mmol) of nitric acid (65%) are added at 0C. The reaction mixture is stirred at 0C for 12h, then poured on water and extracted 2x with EtOAc. The combinded organic layers are washed with water and saturated NaCl solution, dried over MgSO4, filtered and the filtrate is concentrated in vacuo. The residue is purified by chromatography (silicagel, EtOAc) to afford 5.3g of 2-bromo-4-nitro-pyridin-3-ol and 2g of 2-bromo-6-nitro-pyridin-3-ol. |
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