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Sigma-Aldrich

1,3-Dichloro-1,1,3,3-tetramethyldisiloxane

97%

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About This Item

Linear Formula:
(CH3)2Si(Cl)OSi(Cl)(CH3)2
CAS Number:
2401-73-2
Molecular Weight:
203.21
Beilstein/REAXYS Number:
1741218
EC Number:
219-278-1
MDL number:
MFCD00018088
UNSPSC Code:
12352101
PubChem Substance ID:
24870291
NACRES:
NA.22

assay

97%

refractive index

n20/D 1.407 (lit.)

bp

138 °C (lit.)

density

1.039 g/mL at 25 °C (lit.)

SMILES string

C[Si](C)(Cl)O[Si](C)(C)Cl

InChI

1S/C4H12Cl2OSi2/c1-8(2,5)7-9(3,4)6/h1-4H3

InChI key

DMEXFOUCEOWRGD-UHFFFAOYSA-N

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Application

1,3-Dichloro-1,1,3,3-tetramethyldisiloxane can be used to prepare:
  • A Silicon-based fluorene polymer by reacting with a dibromofluorene derived Grignard reagent.
  • ansa-Metallocene compound i.e, ansa-[TiCl2{η5:η5-(C5H4SiMe2)2O}].
  • Silaanthracenophanes.

pictograms

FlameCorrosion
GHS02,GHS05

signalword

Danger

hcodes

H225,H314

Hazard Classifications

Flam. Liq. 2 - Skin Corr. 1B

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

59.0 °F - closed cup

flash_point_c

15 °C - closed cup

ppe

Faceshields, Gloves, Goggles, type ABEK (EN14387) respirator filter

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Carbon-Silicon coupling between fluorenyl Grignard reagents and dichlorosilanes for synthesis of novel copolymers and chemical properties of the copolymers
Kitamura N and Yamamoto T
Applied Organometallic Chemistry, 17(11), 840-842 (2003)
Synthesis and Structures of New Silaanthracenophanes
Lee I, et al.
Bulletin of the Korean Chemical Society,, 33(1), 255-260 (2012)
Synthesis and crystal structures of μ-1, 3-bis (η5-tetramethylcyclopentadienyl)-1, 1, 3, 3-tetramethyldisiloxane)[ η2-bis (trimethylsilyl) ethyne] titanium (II) and a doubly tucked-in product of its thermolysis
Horacek M, et al.
Journal of Organometallic Chemistry, 658(1-2), 235-241 (2002)

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