Introduction：Basic information about CAS 119-39-1|1(2H)-Phthalazinone, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 1(2H)-Phthalazinone |
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| CAS Number | 119-39-1 | Molecular Weight | 146.146 |
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| Density | 1.3±0.1 g/cm3 | Boiling Point | 423.4±18.0 °C at 760 mmHg |
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| Molecular Formula | C8H6N2O | Melting Point | 183-185 °C(lit.) |
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| MSDS | / | Flash Point | 209.9±21.2 °C |
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Names
| Name | phthalazin-1(2H)-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 1.3±0.1 g/cm3 |
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| Boiling Point | 423.4±18.0 °C at 760 mmHg |
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| Melting Point | 183-185 °C(lit.) |
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| Molecular Formula | C8H6N2O |
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| Molecular Weight | 146.146 |
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| Flash Point | 209.9±21.2 °C |
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| Exact Mass | 146.048019 |
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| PSA | 45.75000 |
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| LogP | 0.82 |
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| Vapour Pressure | 0.0±1.0 mmHg at 25°C |
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| Index of Refraction | 1.705 |
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| InChIKey | IJAPPYDYQCXOEF-UHFFFAOYSA-N |
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| SMILES | O=c1[nH]ncc2ccccc12 |
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Toxicological Information
CHEMICAL IDENTIFICATION - RTECS NUMBER :
- TH9185000
- CHEMICAL NAME :
- 1(2H)Phthalazinone
- CAS REGISTRY NUMBER :
- 119-39-1
- LAST UPDATED :
- 199701
- DATA ITEMS CITED :
- 4
- MOLECULAR FORMULA :
- C8-H6-N2-O
- MOLECULAR WEIGHT :
- 146.16
- WISWESSER LINE NOTATION :
- T66 BVMNJ
HEALTH HAZARD DATAACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 370 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- IHFCAY Industrial Hygiene Foundation of America, Chemical and Toxicological Series, Bulletin. (Pittsburgh, PA) 1947-69. Volume(issue)/page/year: 6,1,1967
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Intravenous
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 180 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#00139
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Safety Information
| Hazard Codes | Xn:Harmful; |
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| Risk Phrases | R22;R36/37/38;R68 |
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| Safety Phrases | S22-S24/25-S36/37/39-S26 |
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| WGK Germany | 3 |
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| RTECS | TH9185000 |
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| HS Code | 29339990 |
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Customs
| HS Code | 2933990090 |
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| Summary | 2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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Synonyms
| phthalazinol |
| 1(2H)-phthalazinone |
| 2,3-Phthalazinone |
| 1,2H-PHTHALAZONE |
| phthalazin-1(2H)-one |
| 1-phthalazinone |
| MFCD00006892 |
| 1,2-Dihydro-1-oxophthalazine |
| PTLZ |
| 1-oxophthalazine |
| phthalazin-1-one |
| Benzo[d]pyridazin-1(2H)one |
| EINECS 204-319-8 |
| phthalazinone |
| Pthalazone |
| 2H-phthalazin-1-one |
| PHTHALAZONE |
| Phthalazin-1-ol |
| 1-phthalazinol |
| Phtalazin-1-ol |
| 1(2H)-Phthalazinone |
