Hydralazine hydrochloride (CAS 304-20-1) — formula C8H9ClN4, molecular weight 196.64; category organic chemicals.
| CAS Number | 304-20-1 |
|---|---|
| Molecular Formula | C8H9ClN4 |
| Molecular Weight | 196.64 |
| Melting Point | Decomposes at 273 °C |
| Applications | Uses: MEDICATION, MEDICATION (VET), Methods of Manufacturing: CONDENSATION OF 1-CHLOROPHTHALAZINE AND HYDRAZINE HYDRATE IN AN ORGANIC SOLVENT, PREPD BY THE ACTION OF HYDRAZINE HYDRATE ON 1-CHLORO- OR 1-PHENOXYPHTHALAZINE: HARTMANN, DRUEY, US PATENT 2484029 (1949 TO CIBA) ... ., HYDRALAZINE, Formulations, Preparations: 1-HYDRAZINOPHTHALAZINE, 1 (2H)-PHTHALAZINONE HYDRAZONE, PRAPARAT 5968, C 5968, For more Formulations, Preparations (Complete) data for HYDRALAZINE HYDROCHLORIDE (7 total), please visit the HSDB record page., U.S. Production: (1972) PROBABLY GREATER THAN 4.54X10+5 GRAMS, (1975) PROBABLY GREATER THAN 4.54X10+5 GRAMS, General Manufacturing Information: Phthalazine, 1-hydrazinyl-, hydrochloride (1:1): ACTIVE, There are no technical products or pharmaceutical preparations containing the free base. It is used in the preparation of the hydrochloride salt. |
| Category | Organic Chemicals |
Documented applications: Uses: MEDICATION, MEDICATION (VET), Methods of Manufacturing: CONDENSATION OF 1-CHLOROPHTHALAZINE AND HYDRAZINE HYDRATE IN AN ORGANIC SOLVENT, PREPD BY THE ACTION OF HYDRAZINE HYDRATE ON 1-CHLORO- OR 1-PHENOXYPHTHALAZINE: HARTMANN, DRUEY, US PATENT 2484029 (1949 TO CIBA) ... ., HYDRALAZINE, Formulations, Preparations: 1-HYDRAZINOPHTHALAZINE, 1 (2H)-PHTHALAZINONE HYDRAZONE, PRAPARAT 5968, C 5968, For more Formulations, Preparations (Complete) data for HYDRALAZINE HYDROCHLORIDE (7 total), please visit the HSDB record page., U.S. Production: (1972) PROBABLY GREATER THAN 4.54X10+5 GRAMS, (1975) PROBABLY GREATER THAN 4.54X10+5 GRAMS, General Manufacturing Information: Phthalazine, 1-hydrazinyl-, hydrochloride (1:1): ACTIVE, There are no technical products or pharmaceutical preparations containing the free base. It is used in the preparation of the hydrochloride salt..
Hydralazine hydrochloride is a carbon-based organic compound with CAS registry number 304-20-1 and molecular formula C8H9ClN4 (molecular weight 196.64), belonging to the organic chemicals segment of chemical raw materials.
CAS number: 304-20-1
Its molecular formula C8H9ClN4 comprises 8 C, 9 H, 1 Cl, 4 N atoms.
Also known as: Hydralazine hydrochloride · 盐酸肼屈嗪
Category: organic chemicals
The CAS registry number of Hydralazine hydrochloride is 304-20-1.
Molecular formula C8H9ClN4, molecular weight 196.64.
It is also registered under: Hydralazine hydrochloride, 盐酸肼屈嗪.
Recorded applications: Uses: MEDICATION, MEDICATION (VET), Methods of Manufacturing: CONDENSATION OF 1-CHLOROPHTHALAZINE AND HYDRAZINE HYDRATE IN AN ORGANIC SOLVENT, PREPD BY THE ACTION OF HYDRAZINE HYDRATE ON 1-CHLORO- OR 1-PHENOXYPHTHALAZINE: HARTMANN, DRUEY, US PATENT 2484029 (1949 TO CIBA) ... ., HYDRALAZINE, Formulations, Preparations: 1-HYDRAZINOPHTHALAZINE, 1 (2H)-PHTHALAZINONE HYDRAZONE, PRAPARAT 5968, C 5968, For more Formulations, Preparations (Complete) data for HYDRALAZINE HYDROCHLORIDE (7 total), please visit the HSDB record page., U.S. Production: (1972) PROBABLY GREATER THAN 4.54X10+5 GRAMS, (1975) PROBABLY GREATER THAN 4.54X10+5 GRAMS, General Manufacturing Information: Phthalazine, 1-hydrazinyl-, hydrochloride (1:1): ACTIVE, There are no technical products or pharmaceutical preparations containing the free base. It is used in the preparation of the hydrochloride salt..
Category: Organic Chemicals.
Independent reference data for Hydralazine hydrochloride (CAS 304-20-1), compiled from public chemistry databases.
| CAS Registry Number | 304-20-1 |
|---|---|
| PubChem CID | 9351 |
| Molecular formula | C8H9ClN4 |
| IUPAC name | phthalazin-1-ylhydrazine;hydrochloride |
| UNII (FDA) | FD171B778Y |
| Molecular Weight | 196.64 |
|---|---|
| Hydrogen Bond Donor Count | 3 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 1 |
| Exact Mass | 196.0515740 |
| Monoisotopic Mass | 196.0515740 |
| Topological Polar Surface Area | 63.8 |
| Heavy Atom Count | 13 |
| Melting Point | Decomposes at 273 °C |
|---|---|
| Solubility | In 95% ethanol, 0.2 g/100 ml |
| Solubility | In water, 44.2 g/l @ 25 °C; 30.1 g/l @ 15 °C |
| pH | pH= 3.5 to 4.5 (2% solution) |
| Formulations/Preparations | C 5968 |
HYDRALAZINE HYDROCHLORIDE; 304-20-1; HYDRALAZINE HCL; 1-Hydrazinophthalazine hydrochloride; Dralzine; Hydralazine chloride; Hydralazine monohydrochloride; 1-Hydrazinophthalazine monohydrochloride; Apressinum; DTXSID1044645; FD171B778Y; NSC-89394; Phthalazine, 1-hydrazino-, monohydrochloride; Hydralazini hydrochloridum; Hydrochloride, Hydralazine; MC-1101
| Reported hazard statements | H301 (100%), H315 (93%), H319 (92.1%), H334 (12.3%), H335 (81.6%), H341 (10.5%), H371 (10.5%), H317 |
|---|
H301 (100%): Toxic if swallowed [Danger Acute toxicity, oral]
H315 (93%): Causes skin irritation [Warning Skin corrosion/irritation]
Hydralazine hydrochloride · CAS 304-20-1 · C8H9ClN4. UNII FD171B778Y. Melting Point: Decomposes at 273 °C; Solubility: In 95% ethanol, 0.2 g/100 ml; Solubility: In water, 44.2 g/l @ 25 °C; 30.1 g/l @ 15 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 盐酸肼屈嗪