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. : | 1078-97-3 | MDL No. : | MFCD00039299 |
Formula : | C10H16Cl2Si2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 263.31 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | 3261 |
Hazard Statements: | H314 | Packing Group: | Ⅱ |
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 |
---|---|---|
30% | Stage #1: 1.4-dibromobenzene With magnesium In tetrahydrofuran Stage #2: dimethylsilicon dichloride In tetrahydrofuran at 0℃; for 1h; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
With NaOH In sodium hydroxide; diethyl ether aq. NaOH; (CH3)2ClSiC6H4SiCl(CH3)2 and equival. amt. of aq. NaOH in ether at about 0°C;; crystn. from ether or by addn. of C6H6 to the ether soln.;; | ||
With sodium hydroxide In sodium hydroxide; diethyl ether (CH3)2ClSiC6H4SiCl(CH3)2 and equival. amt. of aq. NaOH in ether at about 0°C;; crystn. from ether or by addn. of C6H6 to the ether soln.;; |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
79.9% | In tetrahydrofuran; at -30 - 20℃;Glovebox; | 1,4-Bis(chlorodimethylsilyl)benzene (4.804 g, 18.24 mmol) in THF (40 mL) is cooled in a glovebox freezer (-30 C). A solution of vinylmagnesium bromide (40.14 mmol, 40.14 mL of 1.0 M in THF) is then added slowly. This mixture is allowed to stir to room temperature overnight, and the intended reaction (see non- limiting Reaction Scheme 8) proceeds. After the reaction period, the volatiles are removed and the residue extracted and filtered using benzene. Removal of the benzene from the filtrate results in the isolation of a free flowing liquid as well as further precipitated salts. This material is filtered through a celite bed using hexane as the eluent. Removal of the volatiles results in the isolation of the desired product as a clear pale yellow liquid (3.5948 g, 79.9 %). NMR (500 MHz, Benzene-d6) d 7.51 (s, 4H), 6.30 - 6.19 (m, 1H), 5.99 - 5.91 (m, 1H), 5.69 (dd, J = 20.3, 3.8 Hz, 1H), 0.27 (s, 12H). 13C NMR (126 MHz, Benzene-d6) d 138.86, 137.74, 133.24, 132.59, -3.23. |