Unfortunately, impurities that may be present have not been identified. Further purification methods have not been investigated. Please see the links below to publications that may be of interest:
https://pubs.acs.org/doi/full/10.1021/acs.iecr.9b00608
https://patents.google.com/patent/US4370204A/en
447269
Dodecamethylpentasiloxane
97%
Synonym(s):
1,1,1,3,3,5,5,7,7,9,9,9-Dodecamethylpentasiloxane, DC 200 Fluid 2
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| Size/SKU | Availability | Price |
|---|---|---|
10 mL | Check Cart for Availability | $89.50 |
50 mL | Check Cart for Availability | $283.00 |
About This Item
Linear Formula:
(CH3)3SiO[Si(CH3)2O]3Si(CH3)3
CAS Number:
Molecular Weight:
384.84
NACRES:
NA.22
PubChem Substance ID:
UNSPSC Code:
12352103
EC Number:
205-492-2
MDL number:
$89.50
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vapor pressure
<1 mmHg ( 20 °C)
Quality Segment
assay
97%
refractive index
n20/D 1.392 (lit.)
bp
230 °C (lit.)
mp
−81 °C (lit.)
density
0.875 g/mL at 25 °C (lit.)
SMILES string
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
InChI
1S/C12H36O4Si5/c1-17(2,3)13-19(7,8)15-21(11,12)16-20(9,10)14-18(4,5)6/h1-12H3
InChI key
FBZANXDWQAVSTQ-UHFFFAOYSA-N
General description
Dodecamethylpentasiloxane is an organosilicon compound that is used as a reactant or as a solvent in organic synthesis. It is also used as a precursor compound to synthesize useful compounds, such as straight-chain linear polydimethylsiloxanes (PDMS), which are widely used in industrial applications such as coatings, adhesives, and elastomers.
Application
- Adsorption Characteristics of Dodecamethylpentasiloxane from Landfill Leachate: This study investigates the adsorption behavior of dodecamethylpentasiloxane in municipal solid waste, crucial for environmental chemists and waste management specialists (Q Kong et al., 2022).
- Toxicity of Silicone Oil: This research evaluates the cytotoxicity of liquid low molecular weight cyclosiloxanes including dodecamethylpentasiloxane, significant for drug discovery chemists considering silicone oil applications (Y Chen et al., 2021).
- Bioaccumulation of Volatile Methylsiloxanes: Review of how volatile methylsiloxanes like dodecamethylpentasiloxane bioaccumulate in aquatic ecosystems, useful for environmental scientists and regulatory bodies (F Bernardo et al., 2022).
- Solid MRI Contrast Agents: Describes the use of dodecamethylpentasiloxane as a contrast agent for in vivo oxygen sensing, relevant to biomedical research and materials science (VH Liu et al., 2014).
- Effective Removal of Methyl Siloxane by Sewage Sludge Microbes: Discusses biodegradation of dodecamethylpentasiloxane, pertinent for environmental chemists and waste treatment research (Y Wang et al., 2019).
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Storage Class
10 - Combustible liquids
WGK
WGK 3
Flash Point (°F)
186.8 °F - closed cup
Flash Point (°C)
86 °C - closed cup
PPE (personal protective equipment)
Eyeshields, Gloves, type ABEK (EN14387) respirator filter
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Hello, the product says that it is 97% pure. Can you please tell me as what might be the probable impurities (the 3%). And is there a way to purify this reagent further?
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