Acetaldehyde-2,4-Dinitrophenylhydrazone CAS 1019-57-4
| CAS No. | 1019-57-4 |
| Molecular Formula | C8H8N4O4 |
| Molecular Weight | 224.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Acetaldehyde-2,4-Dinitrophenylhydrazone is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Acetaldehyde-2,4-Dinitrophenylhydrazone (CAS 1019-57-4) is a high-purity analytical reference standard with the molecular formula C8H8N4O4 and a molecular weight of 224.17 g/mol.
Acetaldehyde-2,4-Dinitrophenylhydrazone (C8H8N4O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Acetaldehyde-2,4-Dinitrophenylhydrazone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H8N4O4 |
| Molecular Weight | 224.17 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 4 |
Related Acetaldehyde Standards
- Acetaldehyde 2,4-Dinitrophenylhydrazone-d3 (CAS 259824-51-6)
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- Acetaldehyde O-(6-phenylpyrimidin-4-yl) oxime (CAS 89967-11-3)
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Recommended Standards
- 1-(((5-nitrofuran-2-yl)methylene)amino)imidazolidin-2-one (CAS 21638-36-8)
- Methyl 2-oxo-5-(trifluoromethyl)cyclohexane-1-carboxylate (CAS 1035637-10-5)
- Pyromellitic Dianhydride (CAS 89-32-7)
- 2-(3-(Trifluoromethyl)phenyl)pyrimidine (CAS 1145694-91-2)
- Methyl 3-iodopicolinate (CAS 73841-41-5)
- 3-Iodo-6-methoxy-1H-indole-2-carboxylic acid (CAS 1263206-35-4)
- 5-Methanesulfonyl-4-(4-methoxyphenyl)-2-phenylpyrimidine (CAS 339110-06-4)
- 4-(Benzyloxy)-3-chlorobenzenesulfonamide (CAS 1096960-40-5)
- 3-(3-Hydroxypropyl)isobenzofuran-1(3H)-one (CAS 124888-91-1)
- Methyl 2-Amino-2-(2-thienyl)acetate Hydrochloride (CAS 132289-66-8)
- 3A-fluorooctahydrocyclopenta[c]pyrrole (CAS 2167854-60-4)
- 8-Ethynyl-6-methoxyimidazo[1,5-a]pyridine (CAS 2648259-59-8)
- N-(2-acetyl-4-iodo-6-methylphenyl)-2,2,2-trifluoroacetamide (CAS 935292-71-0)
- Insulin Degludec Impurity 6 (CAS CATO-C4X-21576)
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