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 for 500 gram (Estimated) |
Excepted Quantity | USD 0.00 |
Limited Quantity | USD 15-60 |
Inaccessible (Haz class 6.1), Domestic | USD 80+ |
Inaccessible (Haz class 6.1), International | USD 150+ |
Accessible (Haz class 3, 4, 5 or 8), Domestic | USD 100+ |
Accessible (Haz class 3, 4, 5 or 8), International | USD 200+ |
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CAS No. : | 28418-89-5 | MDL No. : | MFCD07437960 |
Formula : | C8H3IO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HAXOVWANMPEGGM-UHFFFAOYSA-N |
M.W : | 274.01 | Pubchem ID : | 15263377 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8,6.1 |
Precautionary Statements: | P260-P264-P270-P271-P280-P301+P330+P331-P302+P352-P303+P361+P353-P304+P340-P305+P351+P338-P310-P403+P233-P405-P501 | UN#: | 2923 |
Hazard Statements: | H301-H311-H314-H331 | 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 |
---|---|---|
74.15% | at 30℃; for 8 h; Inert atmosphere | General procedure: In a 1000 ml three-necked flask, 18.3 g (0.1 mol) of 4-chlorophthalic anhydride and 18.3 g (0.1 mol) were added 3-chlorophthalic anhydride, 300 g of anisole as solvent, 0.13 g (0.001 mol) of nickel chloride as a catalyst, 0.198 g (0.001 mol) of C-1 as a catalyst ligand, and 0.03 g (0.0003 mol) of sodium bromide as a catalyst Auxiliary, 13 g (0.2 mol) of zinc powder was used as a reducing agent, and the reaction was stirred at 30 ° C for 8 hours under a nitrogen atmosphere. The reaction solution was filtered to remove insoluble solids in the reaction liquid. 300 g of methanol was added to the filtration mother liquor, and the product was precipitated, filtered, and dried to obtain 25.8 g of the product 2,3,3',4'-biphenyltetracarboxylic dianhydride, yield 87.7percent. The synthesis method was the same as in Example 1, except that the types of 4-substituted phthalic anhydride and 3-substituted phthalic anhydride were changed. |
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