Spiro[5.5]undecan-2-one (CAS 1781-81-3) — formula C11H18O, molecular weight 166.26; category organic chemicals.
Spiro[5.5]undecan-2-one (CAS 1781-81-3) is a chemical raw material in the organic chemicals category. Its molecular formula C11H18O comprises 11 C, 18 H, 1 O atoms. Its molecular weight is about 166.26. Reported physicochemical data: LogP about 3.2. 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 | 1781-81-3 |
|---|---|
| Molecular Formula | C11H18O |
| Molecular Weight | 166.26 |
| LogP | 3.2 |
| Category | Organic Chemicals |
Spiro[5.5]undecan-2-one is a carbon-based organic compound with CAS registry number 1781-81-3 and molecular formula C11H18O (molecular weight 166.26), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 1781-81-3
Its molecular formula C11H18O comprises 11 C, 18 H, 1 O atoms.
Also known as: Spiro[5.5]undecan-2-one · 螺[5.5]十一烷-2-一
Category: organic chemicals
The CAS registry number of Spiro[5.5]undecan-2-one is 1781-81-3.
Molecular formula C11H18O, molecular weight 166.26.
It is also registered under: Spiro[5.5]undecan-2-one, 螺[5.5]十一烷-2-一.
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 Spiro[5.5]undecan-2-one (CAS 1781-81-3), compiled from public chemistry databases.
| CAS Registry Number | 1781-81-3 |
|---|---|
| PubChem CID | 579588 |
| Molecular formula | C11H18O |
| IUPAC name | spiro[5.5]undecan-4-one |
| Molecular Weight | 166.26 |
|---|---|
| XLogP3 | 3.2 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 166.135765193 |
| Monoisotopic Mass | 166.135765193 |
| Topological Polar Surface Area | 17.1 |
| Heavy Atom Count | 12 |
Spiro[5.5]undecan-2-one; 1781-81-3; DTXSID90342188; SPIRO(5.5)UNDECAN-2-ONE; RefChem:380903; DTXCID50293268; 622-353-5; FEYUTRZPSFLEST-UHFFFAOYSA-N; spiro[5.5]undecan-4-one; MFCD00090150; spiro[5.5]undecan-2-on; SCHEMBL3241777; BAA78181; AKOS024262175; SB34344; AS-47557
| Reported hazard statements | H319 (100%) |
|---|
H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
P264+P265, P280, P305+P351+P338, and P337+P317 (click each P-code to see the statement)
Spiro[5.5]undecan-2-one · CAS 1781-81-3 · C11H18O.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 螺[5.5]十一烷-2-一