≥99% for sensitive chromatographic and analytical workflows requiring minimal baseline interference.
Room temperature 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 5 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
2,7-Dibromo-9-fluorenone was used in preparation of :
• 2,7-poly(spiro[4′,4′-dioctyl-2′,6′-dioxocyclohexane-1′,9-fluorene]), precursor polymer for the synthesis of 2,7-poly(9-fluorenone).
• 2,7-dibromo-9-(2-methylpyridin-5-yl)fluoren-9-ol.
| Pubchem Sid | 504758185 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504758185 |
| Canonical Smiles | C1=CC2=C(C=C1Br)C(=O)C3=C2C=CC(=C3)Br |
| IUPAC Name | 2,7-dibromofluoren-9-one |
| InChIKey | CWGRCRZFJOXQFV-UHFFFAOYSA-N |
| INCHI | 1S/C13H6Br2O/c14-7-1-3-9-10-4-2-8(15)6-12(10)13(16)11(9)5-7/h1-6H |
| Isomeric SMILES | C1=CC2=C(C=C1Br)C(=O)C3=C2C=CC(=C3)Br |
| WGK Germany | 3 |
| Molecular Weight | 337.99 |
| Beilstein | 7(4)1635 |
| Reaxy-Rn | 2049898 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=2049898&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 | Biphenyls and derivatives |
| Intermediate Tree Nodes | Brominated biphenyls |
| Direct Parent | Polybrominated biphenyls |
| Alternative Parents | Fluorenes Aryl ketones Aryl bromides Organobromides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic homopolycyclic compounds |
| Substituents | Polybrominated biphenyl - Fluorene - Aryl ketone - Aryl halide - Aryl bromide - Ketone - Organic oxygen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organobromide - Organohalogen compound - Aromatic homopolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as polybrominated biphenyls. These are organic aromatic compounds containing a biphenyl moiety, which is substituted at two or more ring positions by a bromine atom. |
| 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 |
|---|---|---|---|
 G2306169 | Certificate of Analysis | Apr 07, 2026 | D398156 |
| G2306172 | Certificate of Analysis | Apr 07, 2026 | D398156 |
| D2227113 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| D2227126 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| D2227127 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| D2227128 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| F2524686 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| G2307619 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| J2430123 | Certificate of Analysis | Mar 03, 2022 | D398156 |
| Solubility | Soluble in tyrosan |
|---|---|
| Melt Point(°C) | 203-205°C |
| Molecular Weight | 337.990 g/mol |
| XLogP3 | 4.600 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 1 |
| Rotatable Bond Count | 0 |
| Exact Mass | 337.876 Da |
| Monoisotopic Mass | 335.879 Da |
| Topological Polar Surface Area | 17.100 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 276.000 |
| 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. Haina Qi, Yaolin Hu, Liu Yang, Hong Shao, Qianli Ma, Dan Li, Wensheng Yu, Xiangting Dong. (2023) Electrospun luminescent aeolotropic conductive film enabled by a photoactive semiconductor as a conductive and luminescent material. EUROPEAN POLYMER JOURNAL, [PMID:] [10.1016/j.eurpolymj.2023.111829] |
| 2. Xiaoxia Ye, Juan Liu, Xueying Chen, Dongjun Chen, Zhen Qian, Jie Chen, Chunxiang Lin. (2024) Effective uranium extraction from seawater through immobilization of conjugated microporous polymers on collagen fiber membrane. CHEMICAL ENGINEERING SCIENCE, [PMID:] [10.1016/j.ces.2024.120160] |
| 3. Dandan Wang, Xiaofei Yan, Xinsheng Zhu, Ying Liu, Laihong Zhang, Yaqiu Lu, Jie Li, Dingming Xue. (2024) Facilitating Charge Separation of Donor–Acceptor Conjugated Microporous Polymers via Position Isomerism Strategy for Efficient CO2 Photoconversion. Catalysts, 14 (10): (659). [PMID:] [10.3390/catal14100659] |
| 4. Xiaoyu Lou, Duanlian Tang, Xuanjie Chen, Lanbin Mo, Yong Li, Changshen Ye, Jie Chen, Ting Qiu. (2024) Ketone-based conjugated microporous poly(aniline)s for the ultradeep separation of heavy metal ions. CHEMICAL ENGINEERING SCIENCE, [PMID:] [10.1016/j.ces.2024.120706] |
| 5. Xiaoxia Ye, Bingqing Huang, Xueying Chen, Yaping Wang, Zhihong Zheng, Yifan Liu, Yuancai Lv, Chunxiang Lin, Jian Huang, Jie Chen. (2025) Cutting-edge aminated conjugated microporous poly(aniline)s enabled high-performance membrane for seawater uranium extraction. Green Energy & Environment, [PMID:] [10.1016/j.gee.2025.06.005] |
