Siloxanes (CAS 2627-95-4) — formula C8H18OSi2, molecular weight 186.40; category chemical intermediates.
Siloxanes (CAS 2627-95-4) is a chemical intermediates. Its molecular formula C8H18OSi2 comprises 8 C, 18 H, 1 O, 2 Si atoms. Its molecular weight is about 186.40. Chemical intermediates are key stages in downstream synthesis; their quality consistency directly affects final products. As linking steps in synthesis of pharmaceuticals, agrochemicals, dyes and materials, supplied in grades per process route. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 2627-95-4 |
|---|---|
| Molecular Formula | C8H18OSi2 |
| Molecular Weight | 186.40 |
| Applications | Terminator, Blocker, Intermediate, Other, Monomers, U.S. Production: 2023: 1 |
| Category | Chemical Intermediates |
Documented applications: Terminator, Blocker, Intermediate, Other, Monomers, U.S. Production: 2023: 1.
Siloxanes is a chemical intermediate compound with CAS registry number 2627-95-4 and molecular formula C8H18OSi2 (molecular weight 186.40), belonging to the chemical intermediates segment of chemical raw materials.
CAS number: 2627-95-4
Its molecular formula C8H18OSi2 comprises 8 C, 18 H, 1 O, 2 Si atoms.
Also known as: Siloxanes · 硅氧烷 · 1,3-Diethenyl-1,1,3,3-tetramethyldisiloxane
Category: chemical intermediates
The CAS registry number of Siloxanes is 2627-95-4.
Molecular formula C8H18OSi2, molecular weight 186.40.
It is also registered under: Siloxanes, 硅氧烷, 1,3-Diethenyl-1,1,3,3-tetramethyldisiloxane.
Recorded applications: Terminator, Blocker, Intermediate, Other, Monomers, U.S. Production: 2023: 1.
Category: Chemical Intermediates.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Siloxanes (CAS 2627-95-4), compiled from public chemistry databases.
| CAS Registry Number | 2627-95-4 |
|---|---|
| PubChem CID | 75819 |
| Molecular formula | C8H18OSi2 |
| IUPAC name | ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane |
| UNII (FDA) | SJ4D71ZQF4 |
| Molecular Weight | 186.40 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 4 |
| Exact Mass | 186.08961826 |
| Monoisotopic Mass | 186.08961826 |
| Topological Polar Surface Area | 9.2 |
| Heavy Atom Count | 11 |
2627-95-4; 1,3-Divinyltetramethyldisiloxane; 1,1,3,3-Tetramethyl-1,3-divinyldisiloxane; Disiloxane, 1,3-diethenyl-1,1,3,3-tetramethyl-; Bisvinyltetramethyldisiloxane; 1,1'-Divinyltetramethyldisiloxane; sym-Tetramethyldivinyldisiloxane; 1,3-Diethenyl-1,1,3,3-tetramethyl disiloxane; SJ4D71ZQF4; 1,3-Divinyl-1,1,3,3-tetramethyl disiloxane; BIS(ETHENYLDIMETHYLSILYL) ETHER; RefChem:1052948; 220-099-6; Divinyltetramethyldisiloxane; ethenyl-[ethenyl(dimethyl)silyl]oxy-dimethylsilane; UNII-SJ4D71ZQF4
| GHS notification summary | 0.4% (1 / 263) |
|---|
| GHS notification summary | 0.4% (1 / 263) |
|---|---|
| Reported hazard statements | H225 (94.3%), H315 (19.8%), H319 (19.8%), H335 (18.6%), H361 (22.4%) |
This chemical does not meet GHS hazard criteria for 0.4% (1 of 263) of reports.
H225 (94.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]
1,3-Diethenyl-1,1,3,3-tetramethyldisiloxane · CAS 2627-95-4 · C8H18OSi2. UNII SJ4D71ZQF4.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 硅氧烷