Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione)
Phthalhydrazide
CAS: 1445-69-8
Molecular Formula: C8H6N2O2
Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) - Names and Identifiers
| Name | Phthalhydrazide |
| Synonyms | Phthalhydrazide Phthalhydrazine PHTHALHYDRAZIDE PHTHALHYDRAZINE PHTALYLHYDRAZINE PHTHALOYLHYDRAZINE PHTHALIC HYDRAZIDE 1,4-phthalazinediol 1,4-Ketophthalazine N,N-phthaloylhydrazine 1-Bromo-2-Fluoroethane 2,3-dihydro-4-phthalazinedione 2,3-dihydrophthalazine-1,4-dione 2,3-Dihydro-1,4-phthalazinedione 4a,8a-dihydrophthalazine-1,4-dione Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) |
| CAS | 1445-69-8 |
| EINECS | 215-893-4 |
| InChI | InChI=1/C8H6N2O2/c11-7-5-3-1-2-4-6(5)8(12)10-9-7/h1-4H,(H,9,11)(H,10,12) |
| InChIKey | KGLPWQKSKUVKMJ-UHFFFAOYSA-N |
Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) - Physico-chemical Properties
| Molecular Formula | C8H6N2O2 |
| Molar Mass | 162.15 |
| Density | 1.3264 (rough estimate) |
| Melting Point | >300 °C (lit.) |
| Boling Point | 288.82°C (rough estimate) |
| Flash Point | 270.4°C |
| Solubility | Soluble in acetone and acetic acid. |
| Vapor Presure | 1.41E-11mmHg at 25°C |
| Appearance | White to bright milky white |
| Color | White |
| BRN | 135926 |
| pKa | 10.70±0.20(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5770 (estimate) |
| MDL | MFCD00006888 |
| Physical and Chemical Properties | For crystallization. Melting point 342-344 °c. Soluble in acetone and acetic acid. |
Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) - Risk and Safety
| Safety Description | 24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
| RTECS | TH8890080 |
| HS Code | 29280000 |
Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) - Reference
| Reference Show more | 1. Dong Zhao, Qi Wang, Wen-Tao Zhou, Li-Bin Wang, Hao Yu, Kai-Kai Zhang, Li-Jian Chen, Xiao-Li Xie, PCB52 exposure alters the neurotransmission ligand-receptors in male offspring and contributes to sex-specific neurodevelopmental toxicity, Environmental Pollu |
Phthalhydrazide, (2,3-Dihydro-1,4-phthalazinedione) - Reference Information
| Use | Used as an intermediate for pharmaceutical dihydrazine. |
| Production method | is obtained by the reaction of phthalic anhydride and hydrazine hydrate. Ethanol, hydrazine hydrate and phthalic anhydride are successively put into the reaction pot, stirred, and heated and refluxed for 8 hours. Evaporate the ethanol until the reactants form a paste. Cool to 40 ℃, add an appropriate amount of water, filter, wash to pH6.5, and dry to obtain diketolphthalazine. |
Last Update：2024-04-10 22:29:15
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