Pentamethylcyclopentasiloxane (CAS 6166-86-5) — formula C5H20O5Si5, molecular weight 300.63; category organic chemicals.
Pentamethylcyclopentasiloxane (CAS 6166-86-5) is a chemical raw material in the organic chemicals category. Its molecular formula C5H20O5Si5 comprises 5 C, 20 H, 5 O, 5 Si atoms. Its molecular weight is about 300.63. 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 | 6166-86-5 |
|---|---|
| Molecular Formula | C5H20O5Si5 |
| Molecular Weight | 300.63 |
| Category | Organic Chemicals |
Pentamethylcyclopentasiloxane is a carbon-based organic compound with CAS registry number 6166-86-5 and molecular formula C5H20O5Si5 (molecular weight 300.63), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 6166-86-5
Its molecular formula C5H20O5Si5 comprises 5 C, 20 H, 5 O, 5 Si atoms.
Also known as: Pentamethylcyclopentasiloxane · 五甲基环五硅氧烷
Category: organic chemicals
The CAS registry number of Pentamethylcyclopentasiloxane is 6166-86-5.
Molecular formula C5H20O5Si5, molecular weight 300.63.
It is also registered under: Pentamethylcyclopentasiloxane, 五甲基环五硅氧烷.
Category: Organic Chemicals.
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 Pentamethylcyclopentasiloxane (CAS 6166-86-5), compiled from public chemistry databases.
| CAS Registry Number | 6166-86-5 |
|---|---|
| PubChem CID | 80304 |
| Molecular formula | C5H20O5Si5 |
| IUPAC name | 2,4,6,8,10-pentamethyl-1,3,5,7,9,2,4,6,8,10-pentaoxapentasilecane |
| UNII (FDA) | NS00044235 |
| Molecular Weight | 300.63 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 5 |
| Rotatable Bond Count | 0 |
| Exact Mass | 300.01570641 |
| Monoisotopic Mass | 300.01570641 |
| Topological Polar Surface Area | 46.2 |
| Heavy Atom Count | 15 |
pentamethyl cyclopentasiloxane; C5H20O5Si5; SCHEMBL190229; s25341; 2,4,6,8,10-pentamethyl-cyclopentasiloxane; NS00044235
Pentamethylcyclopentasiloxane · CAS 6166-86-5 · C5H20O5Si5. UNII NS00044235.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 五甲基环五硅氧烷