4-Pyridinealdoxime
Synonym(s):4-Pyridinecarbaldehyde oxime;Isonicotinaldoxime
- CAS NO.：696-54-8
- Empirical Formula: C6H6N2O
- Molecular Weight: 122.12
- MDL number: MFCD00006446
- EINECS: 211-796-6
- SAFETY DATA SHEET (SDS)
- Update Date: 2026-01-13 11:27:13
What is 4-Pyridinealdoxime?
Chemical properties
white very fine crystalline powder
The Uses of 4-Pyridinealdoxime
An intermediate for bis(hydroxyiminomethylpyridinium)butenes as reactivators of chlorpyrifos-inhibited acetylcholinesterase.
The Uses of 4-Pyridinealdoxime
It is employed as an intermediate for bis(hydroxyiminomethylpyridinium)butenes and as reactivators of chlorpyrifos-inhibited acetylcholinesterase. It is also used in the chromatographic separation and NMR characterization of the isomers of 1,1?-Methylenebis{4-[(hydroxyimino)methyl]pyridinium) dichloride.
Purification Methods
Crystallise the oxime from water. [Beilstein E-isomer 21 III/IV 3533, 21/7 V 355.]
Properties of 4-Pyridinealdoxime
| Melting point: | 131-133 °C |
| Boiling point: | 227.52°C (rough estimate) |
| Density | 1.2236 (rough estimate) |
| vapor pressure | <0.01 hPa (50 °C) |
| refractive index | 1.5350 (estimate) |
| Flash point: | 110 °C |
| storage temp. | Store below +30°C. |
| solubility | 10g/l |
| form | Solid |
| pka | pK1:4.73(+1);pK2:10.03(0) (25°C) |
| color | White to Off-White |
| PH | 6.3 (10g/l, H2O, 20℃) |
| Water Solubility | 10 g/L (20 ºC) |
| BRN | 2079 |
| CAS DataBase Reference | 696-54-8(CAS DataBase Reference) |
| NIST Chemistry Reference | 4-Pyridinecarboxaldehyde, oxime(696-54-8) |
Safety information for 4-Pyridinealdoxime
| Signal word | Warning |
| Pictogram(s) |
 Exclamation Mark Irritant GHS07 |
| GHS Hazard Statements |
H315:Skin corrosion/irritation H319:Serious eye damage/eye irritation H335:Specific target organ toxicity, single exposure;Respiratory tract irritation |
| Precautionary Statement Codes |
P261:Avoid breathing dust/fume/gas/mist/vapours/spray. P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell. P302+P352:IF ON SKIN: wash with plenty of soap and water. P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing. |
Computed Descriptors for 4-Pyridinealdoxime
New Products
Methyl N-((2'-cyano-[1,1'-biphenyl]-4-yl)methyl)-N-nitroso-L-valinate Levofloxacin - Impurity B/ Levofloxacin Related Compound A Ivabradine R isomer Escitalopram - Impurity K Escitalopram Cyno dilol Impurity Paroxetine EP impurity I/Paroxetine Anhydrous EP Impurity I 2-Amino-5-Bromo-6-Chloropyridine 3-Amino-5-bromopicolinic acid 1-(7,8-Dinitro-4,5-dihydro-1H-1,5-methanobenzo[d]azepin-3(2H)-yl)-2,2,2-trifluoroethanone 2-Amino-3-Bromo-5-Cyanopyridine 2-Amino-3-Chloropyridine 2,5-Dibromo-3-MethylpyridineRelated products of tetrahydrofuran
![N'-[(2,6-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB4324403.gif)
![N'-[(2,4-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB4675619.gif)
![([(4-CHLOROBENZYL)OXY]IMINO)(4-PYRIDINYL)METHANAMINIUM CHLORIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure21/GIF/CB3788897.gif)
![N'-[(3,4-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB0288604.gif)
![N'-[(2-CHLORO-6-FLUOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE](https://img.chemicalbook.in/StructureFile/ChemBookStructure2/GIF/CB8235336.gif)
You may like
-
696-54-8 4-Pyridinialdoxime 98%View Details
696-54-8 -
696-54-8 98%View Details
696-54-8 -
4-Pyridinealdoxime 98%View Details
696-54-8 -
Pyridine-4-aldoxime CAS 696-54-8View Details
696-54-8 -
4-Pyridinecarbaldehyde oxime CAS 696-54-8View Details
696-54-8 -
17471-10-2 Diphenhydramine EP impurity-A /Diphenhydramine Related Compound A NLT 95%View Details
17471-10-2 -
118-23-0 NLT 95%View Details
118-23-0 -
573704-41-3 NLT 95%View Details
573704-41-3
Statement: All products displayed on this website are only used for non medical purposes such as industrial applications or scientific research, and cannot be used for clinical diagnosis or treatment of humans or animals. They are not medicinal or edible.