Determine the necessary mass, volume, or concentration for preparing a solution.
≥94% 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.
application:
4-Chloro-1,8-naphthalic anhydride is used in dyes and pigments. It is also used in agrochemical, pharmaceutical.
| Pubchem Sid | 504755203 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/504755203 |
| Canonical Smiles | C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)Cl |
| IUPAC Name | 8-chloro-3-oxatricyclo[7.3.1.05,13]trideca-1(12),5(13),6,8,10-pentaene-2,4-dione |
| InChIKey | UJEUBSWHCGDJQU-UHFFFAOYSA-N |
| INCHI | 1S/C12H5ClO3/c13-9-5-4-8-10-6(9)2-1-3-7(10)11(14)16-12(8)15/h1-5H |
| Isomeric SMILES | C1=CC2=C(C=CC3=C2C(=C1)C(=O)OC3=O)Cl |
| Molecular Weight | 232.619 |
| Reaxy-Rn | 178072 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=178072&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 | Naphthalenes |
| Subclass | Naphthalenecarboxylic acids and derivatives |
| Intermediate Tree Nodes | Not available |
| Direct Parent | 1,8-naphthalic anhydrides |
| Alternative Parents | Chloronaphthalenes 2-benzopyrans Dicarboxylic acids and derivatives Aryl chlorides Carboxylic acid anhydrides Oxacyclic compounds Organooxygen compounds Organochlorides Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | 1,8-naphthalic anhydride - Chloronaphthalene - Benzopyran - 2-benzopyran - Aryl chloride - Aryl halide - Dicarboxylic acid or derivatives - Carboxylic acid anhydride - Oxacycle - Carboxylic acid derivative - Organoheterocyclic compound - Organic oxide - Organic oxygen compound - Hydrocarbon derivative - Organohalogen compound - Organochloride - Organooxygen compound - Aromatic heteropolycyclic compound |
| Description | This compound belongs to the class of organic compounds known as 1,8-naphthalic anhydrides. These are organic aromatic compounds that contain a naphthalene carrying two carboxyl groups at the 1- and 8-positions. In naphthalene anhydrides, the two carboxyl groups at the 1- and 8-positions share one oxygen 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 |
|---|---|---|---|
| Certificate of Analysis | Mar 20, 2026 | C176418 | |
| Certificate of Analysis | Mar 20, 2026 | C176418 | |
| Certificate of Analysis | Aug 12, 2025 | C176418 | |
| Certificate of Analysis | Aug 12, 2025 | C176418 | |
| Certificate of Analysis | Aug 12, 2025 | C176418 | |
| Certificate of Analysis | Aug 12, 2025 | C176418 | |
| Certificate of Analysis | Jun 16, 2025 | C176418 | |
| Certificate of Analysis | Jul 13, 2024 | C176418 | |
| Certificate of Analysis | Jul 13, 2024 | C176418 | |
| Certificate of Analysis | Jul 13, 2024 | C176418 |
| Solubility | Hydrolyzes in water. |
|---|---|
| Sensitivity | Moisture sensitive |
| Melt Point(°C) | 207-210℃ |
| Molecular Weight | 232.620 g/mol |
| XLogP3 | 3.200 |
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 0 |
| Exact Mass | 231.993 Da |
| Monoisotopic Mass | 231.993 Da |
| Topological Polar Surface Area | 43.400 Ų |
| Heavy Atom Count | 16 |
| Formal Charge | 0 |
| Complexity | 341.000 |
| 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. Nafeesa Mushtaq, Lala Rukh Sidra, Guofei Chen, Yongmei Tang, Lubo Xu, Xingzhong Fang. (2017) Synthesis of cardo containing asymmetric poly(ether-naphthalimide-phthalimide)s. POLYMER INTERNATIONAL, 66 (11): (1633-1639). [PMID:] [10.1002/pi.5425] |
| 2. Rui-Zhe Zhou, Yan Zhang, Ji-Feng Gao, Shuai-Yin Ma, Hong-Shuang Zhang, Xiao-Zhi He. (2024) Chiral fluorescent liquid crystal polymers containing 4-bromo-1,8-naphthalimide – synthesis and properties. LIQUID CRYSTALS, [PMID:] [10.1080/02678292.2024.2330555] |
| 3. Qing-Qing Xiong, Jia-Yi Wu, Hong-Shuang Zhang, Ji-Feng Gao, Shuai-Yin Ma, Xiao-Zhi He. (2024) Liquid crystal polymers with dual properties of fluorescence and selective reflection-design, synthesis and characterisation. LIQUID CRYSTALS, [PMID:] [10.1080/02678292.2024.2321453] |
| 4. Mi-Yi Yu, Wen Xin, Di Ke, Ji-Feng Gao, Shuai-Yin Ma, Xiao-Zhi He. (2025) Fluorescent cholesteric liquid crystal polymers containing different naphthalimide groups – preparation and performance. LIQUID CRYSTALS, [PMID:] [10.1080/02678292.2025.2531103] |
| 5. Yuxin Wang, Jiaze Gao, Qin Liu, Di Ke, Jifeng Gao, Shuaiyin Ma, Xiaozhi He, Guiyang Yan, Jianshe Hu. (2026) Cross-linkable cholesteric fluorescent liquid crystal polymers with reversible thermochromic and photoluminescent properties. LIQUID CRYSTALS, [PMID:] [10.1080/02678292.2026.2646463] |