235733
1,1,3,3-Tetramethyldisiloxane
97%
Synonym(s):
1,3-dihydrotetramethyldisiloxane, sym-tetramethyldisiloxane, Bis(dimethylsilyl)ether, Bis(dimethylsilyl)oxide, Tetramethyldisiloxane
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About This Item
Linear Formula:
[(CH3)2SiH]2O
CAS Number:
Molecular Weight:
134.32
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
EC Number:
221-906-4
Beilstein/REAXYS Number:
1733364
MDL number:
Quality Segment
assay
97%
form
liquid
refractive index
n20/D 1.370 (lit.)
bp
70-71 °C (lit.)
density
0.76 g/mL at 25 °C (lit.)
SMILES string
C[SiH](C)O[SiH](C)C
InChI
1S/C4H14OSi2/c1-6(2)5-7(3)4/h6-7H,1-4H3
InChI key
NVYQDQZEMGUESH-UHFFFAOYSA-N
General description
1,1,3,3-Tetramethyldisiloxane is an inexpensive, nontoxic, and mild reducing agent. It is an attractive hydride source for hydrosilylation reactions, dehydrogenative silylations, and polymer production due to its electrophilic nature.
Application
1,1,3,3-Tetramethyldisiloxane can be used as:
- A reactant to synthesize mono-functionalized siloxane derivatives via hydrosilylation reaction.
- A reducing agent to synthesize alkyl halides from aldehydes.
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signalword
Danger
hcodes
Hazard Classifications
Flam. Liq. 2
Storage Class
3 - Flammable liquids
wgk
WGK 2
flash_point_f
14.0 °F - closed cup
flash_point_c
-9.99 °C - closed cup
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
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