≥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 3 peer-reviewed publications across chromatography, organic synthesis, and cross-coupling reactions.
application：
Phthalhydrazide is a reagent used in the synthesis of various pyrazolophthalazine derivatives is and used in medicine double hydrazine phthalocyanine work intermediates.
| Pubchem Sid | 488188641 |
|---|---|
| Pubchem Sid Url | https://pubchem.ncbi.nlm.nih.gov/substance/488188641 |
| Sonrisas canónicas | C1=CC=C2C(=C1)C(=O)NNC2=O |
| IUPAC Name | 2,3-dihydrophthalazine-1,4-dione |
| InChIKey | KGLPWQKSKUVKMJ-UHFFFAOYSA-N |
| INCHI | 1S/C8H6N2O2/c11-7-5-3-1-2-4-6(5)8(12)10-9-7/h1-4H,(H,9,11)(H,10,12) |
| Isómeros SMILES | C1=CC=C2C(=C1)C(=O)NNC2=O |
| WGK Alemania | 3 |
| RTECS | TH8890080 |
| Peso molecular | 162.15 |
| Reaxy-Rn | 135926 |
| Reaxys-RN_link_address | https://www.reaxys.com/reaxys/secured/hopinto.do?context=S&query=IDE.XRN=135926&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 | Organoheterocyclic compounds |
| Clase | Diazanaphthalenes |
| Subclass | Benzodiazines |
| Intermediate Tree Nodes | Phthalazines |
| Direct Parent | Phthalazinones |
| Alternative Parents | Pyridazinones Benzenoids Heteroaromatic compounds Lactams Azacyclic compounds Organopnictogen compounds Organooxygen compounds Organonitrogen compounds Organic oxides Hydrocarbon derivatives |
| Molecular Framework | Aromatic heteropolycyclic compounds |
| Substituents | Phthalazinone - Pyridazinone - Benzenoid - Pyridazine - Heteroaromatic compound - Lactam - Azacycle - Organic nitrogen compound - Organic oxygen compound - Organopnictogen compound - Organic oxide - Hydrocarbon derivative - Organooxygen compound - Organonitrogen compound - Aromatic heteropolycyclic compound |
| Descripción | This compound belongs to the class of organic compounds known as phthalazinones. These are compounds containing a phthalazine bearing a ketone group. |
| External Descriptors | Not available |
Find and download the COA for your product by matching the lot number on the packaging.
| Lot Number | Certificate Type | Fecha | Articulo |
|---|---|---|---|
 E1829030 | Certificate of Analysis | Jan 05, 2026 | P101914 |
| A2220188 | Certificate of Analysis | Oct 29, 2025 | P101914 |
| A2220197 | Certificate of Analysis | Oct 29, 2025 | P101914 |
| A2220198 | Certificate of Analysis | Oct 29, 2025 | P101914 |
| A2220199 | Certificate of Analysis | Oct 29, 2025 | P101914 |
| H2401347 | Certificate of Analysis | Jun 14, 2024 | P101914 |
| H2401348 | Certificate of Analysis | Jun 14, 2024 | P101914 |
| H2401349 | Certificate of Analysis | Jun 14, 2024 | P101914 |
| D2324668 | Certificate of Analysis | Dec 09, 2021 | P101914 |
| D2324669 | Certificate of Analysis | Dec 09, 2021 | P101914 |
| Solubilidad | Soluble in acetone and acetic acid. |
|---|---|
| Punto de fusión (°C) | >300°C |
| Peso molecular | 162.150 g/mol |
| XLogP3 | 0.900 |
| Hydrogen Bond Donor Count | 2 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 162.043 Da |
| Monoisotopic Mass | 162.043 Da |
| Topological Polar Surface Area | 58.200 Ų |
| Heavy Atom Count | 12 |
| Formal Charge | 0 |
| Complexity | 203.000 |
| 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. Jin Xu, Chengzhuo Yu, Silong Wang, Li Xiong, Fanglan Geng, Jitao Lv, Lixia Zhao, Yawei Wang. (2023) Quantitative generation of ROS and their effective photocatalytic antibacterial activity of high-intensity universal P25 network films: The role of ROS. Journal of Environmental Chemical Engineering, [PMID:] [10.1016/j.jece.2023.110915] |
| 2. Wanchao Yu, Xiaoshan Zheng, Mengxi Tan, Jingyi Wang, Binbin Wu, Junye Ma, Yishuai Pan, Baoliang Chen, Chiheng Chu. (2024) Field Quantification of Hydroxyl Radicals by Flow-Injection Chemiluminescence Analysis with a Portable Device. ENVIRONMENTAL SCIENCE & TECHNOLOGY, [PMID:38227742] [10.1021/acs.est.3c09140] |
| 3. Shengmao Chao, Chiara Valsecchi, Ji Sun, Hong Shao, Xinxia Li, Changyu Tang, Meikun Fan. (2024) Highly Sensitive Surface-Enhanced Raman Scattering Detection of Hydroxyl Radicals in Water Microdroplets Using Phthalhydrazide/Ag Nanoparticles Nanosensor. ENVIRONMENTAL SCIENCE & TECHNOLOGY, [PMID:39114886] [10.1021/acs.est.4c03081] |
