Heptamethyl Cyclotetrasiloxane (CAS 15721-05-8) — formula C7H22O4Si4, molecular weight 282.59; category organic chemicals.
Heptamethyl Cyclotetrasiloxane (CAS 15721-05-8) is a chemical raw material in the organic chemicals category. Its molecular formula C7H22O4Si4 comprises 7 C, 22 H, 4 O, 4 Si atoms. Its molecular weight is about 282.59. 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 | 15721-05-8 |
|---|---|
| Molecular Formula | C7H22O4Si4 |
| Molecular Weight | 282.59 |
| Category | Organic Chemicals |
Heptamethyl Cyclotetrasiloxane is a carbon-based organic compound with CAS registry number 15721-05-8 and molecular formula C7H22O4Si4 (molecular weight 282.59), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 15721-05-8
Its molecular formula C7H22O4Si4 comprises 7 C, 22 H, 4 O, 4 Si atoms.
Also known as: Heptamethyl Cyclotetrasiloxane · 七甲基环四硅氧烷
Category: organic chemicals
The CAS registry number of Heptamethyl Cyclotetrasiloxane is 15721-05-8.
Molecular formula C7H22O4Si4, molecular weight 282.59.
It is also registered under: Heptamethyl Cyclotetrasiloxane, 七甲基环四硅氧烷.
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 Heptamethyl Cyclotetrasiloxane (CAS 15721-05-8), compiled from public chemistry databases.
| CAS Registry Number | 15721-05-8 |
|---|---|
| PubChem CID | 27466 |
| Molecular formula | C7H22O4Si4 |
| IUPAC name | 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane |
| Molecular Weight | 282.59 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 282.05951532 |
| Monoisotopic Mass | 282.05951532 |
| Topological Polar Surface Area | 36.9 |
| Heavy Atom Count | 15 |
CYCLOTETRASILOXANE, HEPTAMETHYL-; RefChem:440682; DTXCID9088718; 15721-05-8; 2,2,4,4,6,6,8-Heptamethylcyclotetrasiloxane; DTXSID10166227; 2,2,4,4,6,6,8-heptamethyl-1,3,5,7,2,4,6,8-tetraoxatetrasilocane; C7H22O4Si4; SCHEMBL116238; CLTMUXYRYKDGOK-UHFFFAOYSA-N; AKOS028110610; DB-319624; S09240; 2,2,4,4,6,6,8-Heptamethylcyclooctanetetrasiloxane
| Reported hazard statements | H226 (50%), H361 (50%), H413 (50%) |
|---|
H226 (50%): Flammable liquid and vapor [Warning Flammable liquids]
H361 (50%): Suspected of damaging fertility or the unborn child [Warning Reproductive toxicity]
Heptamethyl Cyclotetrasiloxane · CAS 15721-05-8 · C7H22O4Si4.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 七甲基环四硅氧烷