for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature,Argon charged Ships Normal Check lot-specific COA for exact specifications.
SDS, COA, datasheet, and spec sheet available for download. Lot-specific COA accessible via lot number lookup.
Cited in 8 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
| Pubchem Sid | 504759101 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504759101 |
| Canonical Smiles | C1=CC=C(C=C1)[Si]23O[Si]4(O[Si]5(O[Si](O2)(O[Si]6(O[Si](O3)(O[Si](O4)(O[Si](O5)(O6)C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 |
| IUPAC Name | 1,3,5,7,9,11,13,15-octakis-phenyl-2,4,6,8,10,12,14,16,17,18,19,20-dodecaoxa-1,3,5,7,9,11,13,15-octasilapentacyclo[9.5.1.13,9.15,15.17,13]icosane |
| InChIKey | KBXJHRABGYYAFC-UHFFFAOYSA-N |
| INCHI | 1S/C48H40O12Si8/c1-9-25-41(26-10-1)61-49-62(42-27-11-2-12-28-42)52-65(45-33-17-5-18-34-45)54-63(50-61,43-29-13-3-14-30-43)56-67(47-37-21-7-22-38-47)57-64(51-61,44-31-15-4-16-32-44)55-66(53-62,46-35-19-6-20-36-46)59-68(58-65,60-67)48-39-23-8-24-40-48/h1-40H |
| Isomeric SMILES | C1=CC=C(C=C1)[Si]23O[Si]4(O[Si]5(O[Si](O2)(O[Si]6(O[Si](O3)(O[Si](O4)(O[Si](O5)(O6)C7=CC=CC=C7)C8=CC=CC=C8)C9=CC=CC=C9)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1)C1=CC=CC=C1 |
| WGK Germany | 3 |
| Molecular Weight | 1033.51 |
| Beilstein | 16(4)1556 |
| Reaxy-Rn | 2934975 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2934975&ln= |
Comprehensive hazard, handling, storage, and regulatory compliance document.
Download SDS →Lot-specific quality data. Enter your lot number to retrieve the exact COA.
Look up COA →Full quality attributes and acceptance criteria for this grade.
View spec sheet →Taxonomy Tree
| Kingdom | Organic compounds |
|---|---|
| Superclass | Benzenoids |
| Class | Benzene and substituted derivatives |
| Subclass | Not available |
| Intermediate Tree Nodes | Not available |
| Direct Parent | Benzene and substituted derivatives |
| Alternative Parents | Organoheterosilanes Organic metalloid salts Organic oxygen compounds Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Monocyclic benzene moiety - Organoheterosilane - Organic metalloid salt - Organic oxygen compound - Hydrocarbon derivative - Organic salt - Organosilicon compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as benzene and substituted derivatives. These are aromatic compounds containing one monocyclic ring system consisting of benzene. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Date | Item |
|---|---|---|---|
 D2630274 | Certificate of Analysis | Mar 20, 2026 | P102340 |
| D2630278 | Certificate of Analysis | Mar 20, 2026 | P102340 |
| F2504474 | Certificate of Analysis | May 27, 2025 | P102340 |
| F2504475 | Certificate of Analysis | May 27, 2025 | P102340 |
| A2107085 | Certificate of Analysis | Nov 13, 2024 | P102340 |
| A2419554 | Certificate of Analysis | Jan 10, 2024 | P102340 |
| A2419555 | Certificate of Analysis | Jan 10, 2024 | P102340 |
| A2419556 | Certificate of Analysis | Jan 10, 2024 | P102340 |
| A2419557 | Certificate of Analysis | Jan 10, 2024 | P102340 |
| K2310110 | Certificate of Analysis | Oct 23, 2023 | P102340 |
| Sensitivity | Moisture sensitive |
|---|---|
| Melt Point(°C) | >350 °C (lit.) |
| Molecular Weight | 1033.500 g/mol |
| XLogP3 | |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 12 |
| Rotatable Bond Count | 8 |
| Exact Mass | 1032.07 Da |
| Monoisotopic Mass | 1032.07 Da |
| Topological Polar Surface Area | 111.000 Ų |
| Heavy Atom Count | 68 |
| Formal Charge | 0 |
| Complexity | 1270.000 |
| Isotope Atom Count | 0 |
| Defined Atom Stereocenter Count | 0 |
| Undefined Atom Stereocenter Count | 0 |
| Defined Bond Stereocenter Count | 0 |
| Undefined Bond Stereocenter Count | 0 |
| The total count of all stereochemical bonds | 0 |
| Covalently-Bonded Unit Count | 1 |
| 1. Li Tao, Zhang Yang, Sun Yu, Dai Haiyang, Chen Jing. (2023) Preparation and characterization of low-permittivity polyimide-based composite membrane. JOURNAL OF POLYMER RESEARCH, 30 (4): (1-10). [PMID:] [10.1007/s10965-023-03508-w] |
| 2. Xingyu Zhou, Rui Yu, Junhui Jiang, Junbo Dang, Jiashuang Luan, Guibin Wang, Mei Zhang. (2022) PEEK composite resin with enhanced intumescent flame retardancy loaded with Octaphenylsilsesquioxane and nano calcium carbonate and its application in fibers. POLYMER DEGRADATION AND STABILITY, [PMID:] [10.1016/j.polymdegradstab.2022.110042] |
| 3. Mo Yang, Yang Lijun, Hou Wei, Zou Tiantian, Huang Youyu, Zheng Xiaoling, Liao Ruijin. (2019) Preparation of cellulose insulating paper of low dielectric constant by OAPS grafting. CELLULOSE, 26 (12): (7451-7468). [PMID:] [10.1007/s10570-019-02570-2] |
| 4. Jun Liu, Yunfei Liu, Xiaowei Jiang, Yali Luo, Yinong Lyu. (2017) POSS-based microporous polymers: Efficient Friedel-Crafts synthesis, CO2 capture and separation properties. MICROPOROUS AND MESOPOROUS MATERIALS, [PMID:] [10.1016/j.micromeso.2017.05.043] |
| 5. Shaolei Wang, Liangxiao Tan, Chengxin Zhang, Irshad Hussain, Bien Tan. (2015) Novel POSS-based organic–inorganic hybrid porous materials by low cost strategies. Journal of Materials Chemistry A, 3 (12): (6542-6548). [PMID:] [10.1039/C4TA06963C] |
| 6. Ting Chen, Jing Hong, Chaohua Peng, Guorong Chen, Conghui Yuan, Yiting Xu, Birong Zeng, Lizong Dai. (2018) Superhydrophobic and flame retardant cotton modified with DOPO and fluorine-silicon-containing crosslinked polymer. CARBOHYDRATE POLYMERS, [PMID:30658784] [10.1016/j.carbpol.2018.12.023] |
| 7. Dengyang Chen, Lisha Zhang, Chengzhe Gao, Qiwu Shi, Silin He, Zhao Wang, Guangxian Li, Pengjian Gong. (2025) Low terahertz transmission loss of polyphenylene sulfide/polyhedral oligomeric silsesquioxane nanocomposite foam for high-performance terahertz antenna. COMPOSITES COMMUNICATIONS, [PMID:] [10.1016/j.coco.2025.102513] |
| 8. Quanyin Xu, Jiachen Li, Yueer Du, Wangyang Lu, Rongchun Zhang, Biao Zuo. (2026) Role of Chemical Tethering in Polymer Glass Formation. MACROMOLECULES, [PMID:] [10.1021/acs.macromol.6c00128] |
