Phthalazone (CAS 119-39-1) — formula C8H6N2O, molecular weight 146.15; category organic chemicals.
Phthalazone (CAS 119-39-1) is a chemical raw material in the organic chemicals category. Its molecular formula C8H6N2O comprises 8 C, 6 H, 2 N, 1 O atoms. Its molecular weight is about 146.15. Reported physicochemical data: melting point around 361 to 363 °F (NTP, 1992), boiling point around 639 °F at 760 mmHg (NTP, 1992), LogP about 0.75. As a sourcing and distribution partner we help locate and compare this item across domestic and cross-border channels, arranging samples and batch orders with full COA and compliance files.
| CAS Number | 119-39-1 |
|---|---|
| Molecular Formula | C8H6N2O |
| Molecular Weight | 146.15 |
| Melting Point | 361 to 363 °F (NTP, 1992) |
| Boiling Point | 639 °F at 760 mmHg (NTP, 1992) |
| LogP | 0.75 |
| Applications | chemical intermediate for hydralazine (antihypertensive agent), CHEM INT FOR HYDRALAZINE, AN ANTIHYPERTENSIVE AGENT, Methods of Manufacturing: REACTION OF PHTHALALDEHYDIC ACID WITH HYDRAZINE, Consumption Patterns: PROBABLY 100% AS A CHEMICAL INTERMEDIATE, U.S. Production: (1977) 1.30X10+8 GRAMS |
| Category | Organic Chemicals |
Documented applications: chemical intermediate for hydralazine (antihypertensive agent), CHEM INT FOR HYDRALAZINE, AN ANTIHYPERTENSIVE AGENT, Methods of Manufacturing: REACTION OF PHTHALALDEHYDIC ACID WITH HYDRAZINE, Consumption Patterns: PROBABLY 100% AS A CHEMICAL INTERMEDIATE, U.S. Production: (1977) 1.30X10+8 GRAMS.
Phthalazone is a carbon-based organic compound with CAS registry number 119-39-1 and molecular formula C8H6N2O (molecular weight 146.15), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 119-39-1
Its molecular formula C8H6N2O comprises 8 C, 6 H, 2 N, 1 O atoms.
Also known as: Phthalazone · 邻苯二甲酮
Category: organic chemicals
The CAS registry number of Phthalazone is 119-39-1.
Molecular formula C8H6N2O, molecular weight 146.15.
It is also registered under: Phthalazone, 邻苯二甲酮.
Recorded applications: chemical intermediate for hydralazine (antihypertensive agent), CHEM INT FOR HYDRALAZINE, AN ANTIHYPERTENSIVE AGENT, Methods of Manufacturing: REACTION OF PHTHALALDEHYDIC ACID WITH HYDRAZINE, Consumption Patterns: PROBABLY 100% AS A CHEMICAL INTERMEDIATE, U.S. Production: (1977) 1.30X10+8 GRAMS.
Category: Organic Chemicals.
Packaging is agreed per order, from lab-scale packs to bulk, and confirmed with each order rather than fixed on the page. A Certificate of Analysis (COA) ships with every batch and MSDS is available; where the end use carries a regulatory limit (food contact, pharmaceutical or cosmetic), state the standard at enquiry and the grade is set against it.
Independent reference data for Phthalazone (CAS 119-39-1), compiled from public chemistry databases.
| CAS Registry Number | 119-39-1 |
|---|---|
| PubChem CID | 8394 |
| Molecular formula | C8H6N2O |
| IUPAC name | 2H-phthalazin-1-one |
| UNII (FDA) | 463ZJB0EI2 |
| Molecular Weight | 146.15 |
|---|---|
| XLogP3 | 0.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 2 |
| Rotatable Bond Count | 0 |
| Exact Mass | 146.048012819 |
| Monoisotopic Mass | 146.048012819 |
| Topological Polar Surface Area | 41.5 |
| Heavy Atom Count | 11 |
| Boiling Point | 639 °F at 760 mmHg (NTP, 1992) |
|---|---|
| Melting Point | 361 to 363 °F (NTP, 1992) |
| Vapor Pressure | 0.00000257 [mmHg] |
| LogP | 0.75 |
1(2H)-PHTHALAZINONE; 119-39-1; Phthalazin-1(2H)-one; Phthalazone; Phthalazin-1-one; 1-Phthalazinol; DTXSID4025903; 463ZJB0EI2; CHEBI:34023; DTXCID505903; RefChem:863029; 204-319-8; Phthalazinone; 2H-Phthalazin-1-one; phthalazin-1-ol; 1-Hydroxyphthalazine
| Reported hazard statements | H302 (100%) |
|---|
H302 (100%): Harmful if swallowed [Warning Acute toxicity, oral]
P264, P270, P301+P317, P330, and P501 (click each P-code to see the statement)
Phthalazone · CAS 119-39-1 · C8H6N2O. UNII 463ZJB0EI2. Boiling Point: 639 °F at 760 mmHg (NTP, 1992); Melting Point: 361 to 363 °F (NTP, 1992); Vapor Pressure: 0.00000257 [mmHg].
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 邻苯二甲酮