quadrosilan (CAS 33204-76-1) — formula C18H28O4Si4, molecular weight 420.8; category organic chemicals.
quadrosilan (CAS 33204-76-1) is a chemical raw material in the organic chemicals category. Its molecular formula C18H28O4Si4 comprises 18 C, 28 H, 4 O, 4 Si atoms. Its molecular weight is about 420.8. 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 | 33204-76-1 |
|---|---|
| Molecular Formula | C18H28O4Si4 |
| Molecular Weight | 420.8 |
| Category | Organic Chemicals |
quadrosilan is a carbon-based organic compound with CAS registry number 33204-76-1 and molecular formula C18H28O4Si4 (molecular weight 420.8), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 33204-76-1
Its molecular formula C18H28O4Si4 comprises 18 C, 28 H, 4 O, 4 Si atoms.
Also known as: quadrosilan · 夸屈硅烷
Category: organic chemicals
The CAS registry number of quadrosilan is 33204-76-1.
Molecular formula C18H28O4Si4, molecular weight 420.8.
It is also registered under: quadrosilan, 夸屈硅烷.
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 quadrosilan (CAS 33204-76-1), compiled from public chemistry databases.
| CAS Number | 33204-76-1 |
|---|---|
| PubChem CID | 20774 |
| Molecular Formula | C18H28O4Si4 |
| IUPAC Name | 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane |
| UNII (FDA) | C5KT601WPM |
| Molecular Weight | 420.8 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 2 |
| Exact Mass | 420.10646551 |
| Monoisotopic Mass | 420.10646551 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 26 |
4657-20-9; 2,6-DIPHENYLHEXAMETHYLCYCLOTETRASILOXANE; 2,2,4,6,6,8-Hexamethyl-4,8-diphenylcyclotetrasiloxane; Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-; MM48TFA73C; DTXSID3063546; RefChem:440701; DTXCID2040498; KABI-1774; Quadrosilan; 33204-76-1; 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; Quadrosilan;KABI-1774; Cyclotetrasiloxane, 2,2,4,6,6,8-hexamethyl-4,8-diphenyl-, cis-; C5KT601WPM; D7L9AC9Z6E
| Notified hazard statements | H360 (57.9%), H371 (26.3%), H372 (72.4%), H413 (100%) |
|---|
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 夸屈硅烷