235709
Octamethyltrisiloxane
98%
Synonym(s):
1,1,1,3,3,5,5,5-Octamethyltrisiloxane, Dimethylbis(trimethylsiloxy)silane, Pentamethyl(trimethylsiloxy)disiloxane, Pentamethyl(trimethylsilyloxy)disiloxane
Sign In to View Organizational & Contract Pricing.
Select a Size
Change View
About This Item
Linear Formula:
[(CH3)3SiO]2Si(CH3)2
CAS Number:
Molecular Weight:
236.53
UNSPSC Code:
12352103
NACRES:
NA.22
PubChem Substance ID:
EC Number:
203-497-4
Beilstein/REAXYS Number:
1753063
MDL number:
vapor density
>1 (vs air)
Quality Level
assay
98%
form
liquid
refractive index
n20/D 1.384 (lit.)
bp
153 °C (lit.)
mp
−82 °C (lit.)
density
0.82 g/mL at 25 °C (lit.)
SMILES string
C[Si](C)(C)O[Si](C)(C)O[Si](C)(C)C
InChI
1S/C8H24O2Si3/c1-11(2,3)9-13(7,8)10-12(4,5)6/h1-8H3
InChI key
CXQXSVUQTKDNFP-UHFFFAOYSA-N
General description
Octamethyltrisiloxane, commonly referred to as octamethylcyclotetrasiloxane, falls under the category of siloxanes. Its versatile applications include serving as a solvent, coupling agent, and surface tension modifier in various industries. Furthermore, it plays a significant role in the production of adhesives, sealants, and lubricants.
Application
Octamethyltrisiloxane is used as a solvent for good dispersion of styrene and polydimethylsiloxane (PDMS), which are used in the fabrication of perovskite barium titanate inverse opal films.
Still not finding the right product?
Explore all of our products under Octamethyltrisiloxane
signalword
Danger
hcodes
Storage Class
3 - Flammable liquids
wgk
WGK 3
flash_point_f
84.2 °F - (External MSDS)
flash_point_c
29 °C - (External MSDS)
ppe
Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter
Hazard Classifications
Flam. Liq. 3 - vPvB
Regulatory Information
危险化学品
This item has
Choose from one of the most recent versions:
Already Own This Product?
Find documentation for the products that you have recently purchased in the Document Library.
Juan Aspromonte et al.
Analytical and bioanalytical chemistry, 412(11), 2537-2544 (2020-02-18)
Most of the reported methods for the analysis of volatile methylsiloxanes focus on their environmental fate or possible health effects, aiming at trace level analysis by using direct injection gas chromatography. However, system contamination as carry over and side reactions
Hunter Elliott et al.
Nature cell biology, 17(2), 137-147 (2015-01-27)
In many cases, cell function is intimately linked to cell shape control. We used endothelial cell branching morphogenesis as a model to understand the role of myosin II in shape control of invasive cells migrating in 3D collagen gels. We
Edyta Słupek et al.
Materials (Basel, Switzerland), 14(2) (2021-01-10)
The paper presents the screening of 20 deep eutectic solvents (DESs) composed of tetrapropylammonium bromide (TPABr) and glycols in various molar ratios, and 6 conventional solvents as absorbents for removal of siloxanes from model biogas stream. The screening was achieved
Global Trade Item Number
| SKU | GTIN |
|---|---|
| 235709-100ML | 04061838785190 |
| 235709-5ML | 04061838785206 |