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| CAS No.: | 2488-01-9 |
|---|---|
| Name: | 1,4-Bis(dimethylsilyl)benzene |
| Article Data: | 19 |
| Molecular Structure: | |
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|
|
| Formula: | C10H18 Si2 |
| Molecular Weight: | 194.424 |
| Synonyms: | Silane,1,4-phenylenebis[dimethyl- (9CI); Silane, p-phenylenebis[dimethyl- (7CI,8CI);1,4-Bis(dimethylhydrogensilyl)benzene; 1,4-Bis(dimethylsilyl)benzene;p-Bis(dimethylsilyl)benzene; p-Phenylenebis[dimethylsilane] |
| EINECS: | 219-638-8 |
| Density: | 0.872 |
| Melting Point: | 115 °C |
| Boiling Point: | 218.2°Cat760mmHg |
| Flash Point: | 80.8°C |
| Hazard Symbols: |
|
| Risk Codes: | 22 |
| Safety: | Moderately toxic by ingestion. Slightly toxic by skin contact. When heated to decomposition it emits acrid smoke and irritating vapors. |
| PSA: | 0.00000 |
| LogP: | 1.07400 |
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| Conditions | Yield |
|---|---|
| With magnesium In tetrahydrofuran at 50 - 85℃; for 16h; Inert atmosphere; | 98% |
| Stage #1: 1.4-dibromobenzene With magnesium In tetrahydrofuran Inert atmosphere; Stage #2: dimethylmonochlorosilane In tetrahydrofuran at 50 - 85℃; | 98% |
| With magnesium In tetrahydrofuran for 3h; Heating; | 85% |
| Conditions | Yield |
|---|---|
| With Tris(3,6-dioxaheptyl)amine; sodium In 5,5-dimethyl-1,3-cyclohexadiene at 100 - 110℃; for 7h; Concentration; | 95% |
| With magnesium In diethyl ether; toluene | 86.6% |
| Conditions | Yield |
|---|---|
| With oxygen In tetrahydrofuran; water at 20℃; under 760.051 Torr; for 1h; Green chemistry; | 99% |
| With C20H24MnN8O2(2+)*2ClO4(1-)*2H2O; dihydrogen peroxide In acetone at 20℃; for 0.25h; Green chemistry; | 98% |
| With water In tetrahydrofuran at 20℃; for 3h; | 96% |
| Conditions | Yield |
|---|---|
| With C34H39N3O2Rh(1+)*BF4(1-) In dichloromethane-d2 at 60℃; for 4h; Inert atmosphere; Glovebox; stereoselective reaction; | 99% |
| With [Pt(1,3-bis{2,6-bis(diphenylmethyl)-4-methoxyphenyl}imidazol-2-ylidene)(divinyltetramethyldisiloxane)] In toluene at 35℃; Inert atmosphere; Schlenk technique; | 92% |
- 106-92-3
Allyl glycidyl ether
- 2488-01-9
1,4-bis(dimethylsilyl)benzene
- 18715-54-3
1,4-bis(dimethyl(3-(oxiran-2-ylmethoxy)propyl)silyl)benzene
| Conditions | Yield |
|---|---|
| With platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex In 5,5-dimethyl-1,3-cyclohexadiene at 0 - 20℃; for 1.16667h; Inert atmosphere; | 97% |
| Conditions | Yield |
|---|---|
| With platinum on carbon nanotubes In neat (no solvent) at 20℃; for 36h; | 97% |
- 2488-01-9
1,4-bis(dimethylsilyl)benzene
- 1109-15-5
tris(pentafluorophenyl)borate
- 3376-52-1
pentaphenylcyclopentaphosphane
| Conditions | Yield |
|---|---|
| In dichloromethane | 96% |
| In dichloromethane B(C6F5)3 added to soln. of P5Ph5, C6H4(SiMe2H)2 added, mixt. stirred overnight; elem. anal.; | 96% |
| Conditions | Yield |
|---|---|
| With tellurium tetrachloride In benzene for 2h; Heating; | 95% |
| With iron(III) chloride; acetyl chloride In 1,2-dichloro-ethane at 20℃; Cooling with ice; | 90% |
| at 0℃; | 64% |
| With trichloroisocyanuric acid In tetrahydrofuran at -20℃; Inert atmosphere; Schlenk technique; | 61% |
| With dichloromethane; eosin y at 20℃; for 24h; Reagent/catalyst; Sealed tube; Inert atmosphere; Irradiation; Green chemistry; | 99 %Spectr. |
| Conditions | Yield |
|---|---|
| tris(pentafluorophenyl)borate In toluene at 25 - 32℃; for 4h; | 95% |
| Conditions | Yield |
|---|---|
| Stage #1: 1,4-bis(dimethylsilyl)benzene; allylsuccinic anhydride With dihydrogen hexachloroplatinate In ethanol; toluene at 70℃; Stage #2: 1,4-bis(dimethylsilyl)benzene In ethanol; toluene at 70 - 90℃; for 3.33333h; | 95% |
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Chemistry
IUPAC Name: [4-(Dimethyl-$l^{3}-silanyl)phenyl]-dimethylsilicon
The molecular formula of 1,4-Bis(dimethylsilyl)benzene (CAS NO.2488-01-9) is C10H18Si2.
The molecular weight of 1,4-Bis(dimethylsilyl)benzene (CAS NO.2488-01-9) is 194.42.
Synonyms of 1,4-Bis(dimethylsilyl)benzene (CAS NO.2488-01-9): 1,4-Phenylenebis(dimethylsilane) ; Benzol-1,4-diylbis(dimethylsilan) ; p-Bis(dimethylsilyl)benzene
Enthalpy of Vaporization: 43.6 kJ/mol
Flash Point: 80.8 °C
Boiling Point: 218.2 °C
EINECS: 219-638-8
BRN: 1072658
Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | oral | 1535mg/kg (1535mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1235, 1986. | |
| mouse | LD50 | skin | 3gm/kg (3000mg/kg) | "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986Vol. -, Pg. 1235, 1986. |
Consensus Reports
Reported in EPA TSCA Inventory.
Safety Profile
Moderately toxic by ingestion. Slightly toxic by skin contact. When heated to decomposition it emits acrid smoke and irritating vapors.Safety information of 1,4-Bis(dimethylsilyl)benzene (CAS NO.2488-01-9):
Hazard Codes 
Xn
Risk Statements 22
R22:Harmful if swallowed.
Safety Statements 26-36/37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
WGK Germany 3
RTECS VV4830000
TSCA Yes