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CAS No.: | 556-68-3 |
---|---|
Name: | hexadecamethylcyclooctasiloxane |
Article Data: | 9 |
Molecular Structure: | |
Formula: | C16H48 O8 Si8 |
Molecular Weight: | 593.236 |
Synonyms: | Cyclooctasiloxane,hexadecamethyl- (7CI,8CI,9CI); Hexadecamethylcyclooctasiloxane |
Density: | 0.97g/cm3 |
Melting Point: | 31.5°C |
Boiling Point: | 290°Cat760mmHg |
Flash Point: | 175.2°C |
PSA: | 73.84000 |
LogP: | 5.74720 |
hexadecamethylcyclooctasiloxane
Conditions | Yield |
---|---|
In diethyl ether; water at 20 - 30℃; Alkaline conditions; | 56% |
1,1,3,3-Tetramethyldisiloxane
dodecamethyl-cyclohexasiloxane
A
tetradecamethylcycloheptasiloxane
B
hexadecamethylcyclooctasiloxane
C
iododimethylsilane
Conditions | Yield |
---|---|
With iodine | A 22% B 12% C n/a |
Conditions | Yield |
---|---|
With hydrogenchloride Kochen der erhaltenen Reaktionsprodukte mit 20prozentig. wss. HCl; | |
With hydrogenchloride |
Conditions | Yield |
---|---|
With water |
n-butyllithium
Hexamethylcyclotrisiloxane
A
tetradecamethylcycloheptasiloxane
B
hexadecamethylcyclooctasiloxane
Conditions | Yield |
---|---|
Stage #1: n-butyllithium; [(η7-C7H6)Ti(η5-C5H4)](OSiMe2)(SiMe2) In tetrahydrofuran at 20℃; for 2h; Stage #2: Hexamethylcyclotrisiloxane With chloro-trimethyl-silane In tetrahydrofuran for 2h; |
dodecamethylcyclohexasilane
A
tetradecamethylcycloheptasiloxane
B
hexadecamethylcyclooctasiloxane
C
octadecamethyl cyclononasiloxane
D
Hexamethylcyclotrisiloxane
E
octamethylcyclotetrasiloxane
F
decamethylcyclopentasiloxane
G
dodecamethyl-cyclohexasiloxane
H
1,1,3,3,5,5,7,7,9,9,11,11,13,13,15,15-hexadecamethyloctasiloxane-1,15-diol
I
1,1,3,3,5,5,7,7,9,9,11,11-dodecamethylhexasiloxane-1,11-diol
K
eicosamethylcyclodecasiloxane
L
tetracosamethyl cyclododecasiloxane
M
Tricontamethylcyclopentadecasiloxan
N
α,ω-Dihydroxy-tetradecamethyl-heptasiloxan
O
Docosamethylcycloundecasiloxane
Q
hexacosamethyl-cyclotridecasiloxane
R
Octacosamethylcyclotetradeca-siloxane
S
α,ω-Dihydroxy-octadecamethyl-nonasiloxan
Conditions | Yield |
---|---|
Stage #1: dodecamethylcyclohexasilane With potassium tert-butylate In tetrahydrofuran at 20℃; for 0.5h; Inert atmosphere; Schlenk technique; Stage #2: With hydrogen; C62H51N2Ni2(1-)*K(1+)*2C4H10O2 In tetrahydrofuran at 45℃; under 1500.15 Torr; for 24h; Schlenk technique; Stage #3: With water In tetrahydrofuran at -40 - 20℃; for 12h; Schlenk technique; |