Hexamethylcyclotrisiloxane (CAS 541-05-9) — formula C6H18O3Si3, molecular weight 222.46; category organic chemicals.
Hexamethylcyclotrisiloxane (CAS 541-05-9) is a chemical raw material in the organic chemicals category. Its molecular formula C6H18O3Si3 comprises 6 C, 18 H, 3 O, 3 Si atoms. Its molecular weight is about 222.46. Reported physicochemical data: melting point around 64.5 °C, boiling point around 134 °C @760 [mm Hg]. 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 | 541-05-9 |
|---|---|
| Molecular Formula | C6H18O3Si3 |
| Molecular Weight | 222.46 |
| Melting Point | 64.5 °C |
| Boiling Point | 134 °C @760 [mm Hg] |
| Applications | Cosmetics, Solvent, Hair conditioning, Monomers, Binder, Household Products: Information on 2 consumer products that contain Hexamethylcyclotrisiloxane in the following categories is provided |
| Category | Organic Chemicals |
Documented applications: Cosmetics, Solvent, Hair conditioning, Monomers, Binder, Household Products: Information on 2 consumer products that contain Hexamethylcyclotrisiloxane in the following categories is provided.
Hexamethylcyclotrisiloxane is a carbon-based organic compound with CAS registry number 541-05-9 and molecular formula C6H18O3Si3 (molecular weight 222.46), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 541-05-9
Its molecular formula C6H18O3Si3 comprises 6 C, 18 H, 3 O, 3 Si atoms.
Also known as: Hexamethylcyclotrisiloxane · 六甲基环三硅氧烷
Category: organic chemicals
The CAS registry number of Hexamethylcyclotrisiloxane is 541-05-9.
Molecular formula C6H18O3Si3, molecular weight 222.46.
It is also registered under: Hexamethylcyclotrisiloxane, 六甲基环三硅氧烷.
Recorded applications: Cosmetics, Solvent, Hair conditioning, Monomers, Binder, Household Products: Information on 2 consumer products that contain Hexamethylcyclotrisiloxane in the following categories is provided.
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 Hexamethylcyclotrisiloxane (CAS 541-05-9), compiled from public chemistry databases.
| 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 |
| Boiling Point | 134 °C @760 [mm Hg] |
|---|---|
| Melting Point | 64.5 °C |
| Density | 1.12 @25 °C |
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
| 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 · CAS 541-05-9 · C6H18O3Si3. UNII EPV75L8O0R. Boiling Point: 134 °C @760 [mm Hg]; Melting Point: 64.5 °C; Density: 1.12 @25 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 六甲基环三硅氧烷