六甲基环三硅氧烷，CAS 登记号 541-05-9，由济南圣和化工有限公司现货供应，可提供纯度 按批次COA提供(不公开发布) 的规格，下游主要用于有机化学品。支持样品与小批量试用，批量价格请联系我们获取，验收以批次 COA 为准。
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Hexamethylcyclotrisiloxane · CAS 541-05-9 · C6H18O3Si3. UNII EPV75L8O0R. Boiling Point: 134 °C @760 [mm Hg]; Melting Point: 64.5 °C; Density: 1.12 @25 °C.
| CAS Registry Number | 541-05-9 |
|---|---|
| PubChem CID | 10914 |
| Molecular formula | C6H18O3Si3 |
| IUPAC name | 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-trioxatrisilinane |
| UNII (FDA) | EPV75L8O0R |
| Molecular Weight | 222.46 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 222.05637404 |
| Monoisotopic Mass | 222.05637404 |
| Topological Polar Surface Area | 27.7 |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 139 |
| Boiling Point | 134 °C @760 [mm Hg] |
|---|---|
| Melting Point | 64.5 °C |
| Density | 1.12 @25 °C |
| Regulatory & Food Contact | FDA Cumulative Estimated Daily Intake (CEDI): FCS HEXAMETHYLCYCLOTRISILOXANE (D3) CIR / INCI: Emollient; Solvent; Hair conditioning |
|---|---|
| GHS notification summary | 58.4% (479 / 820) |
| GHS notification summary | 58.4% (479 / 820) |
|---|---|
| Reported hazard statements | H228 (41.6%) |
This chemical does not meet GHS hazard criteria for 58.4% (479 of 820) of all reports.
H228 (41.6%): Flammable solid [Danger Flammable solids]
HEXAMETHYLCYCLOTRISILOXANE; 541-05-9; Cyclotrisiloxane, hexamethyl-; Dimethylsiloxane cyclic trimer; SDK 10; DTXSID6027185; EPV75L8O0R; DC 246; LS 8120; DTXCID307185; RefChem:786203; 208-765-4; 2,2,4,4,6,6-Hexamethyl-1,3,5,2,4,6-trioxatrisilinane; C6H18O3Si3; MFCD00005943; Simethicone Impurity 2
CAS 541-05-9; molecular formula C6H18O3Si3; molecular weight — g/mol.
HEXAMETHYLCYCLOTRISILOXANE, 541-05-9, Cyclotrisiloxane, hexamethyl-, Dimethylsiloxane cyclic trimer, SDK 10, DTXSID6027185.
Documented regulatory listings: FDA Cumulative Estimated Daily Intake (CEDI): FCS; HEXAMETHYLCYCLOTRISILOXANE (D3); CIR / INCI: Emollient; Solvent; Hair conditioning.
58.4% of GHS notifications report no hazard classification (479 of 820).
Boiling Point: 134 °C @760 [mm Hg]; Melting Point: 64.5 °C; Density: 1.12 @25 °C.
Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.