| Identification | More | [Name]
4-Pyridinealdoxime | [CAS]
696-54-8 | [Synonyms]
4-PYRIDINEALDOXIME
4-PYRIDINECARBALDEHYDE OXIME
4-PYRIDINECARBOXALDOXIME
ISONICOTINALDEHYDE OXIME
ISONICOTINALDOXIME
PYRIDINE-4-ALDOXIME
PYRIDINE-4-CARBALDOXIME
PYRIDINE-4-CARBOXALDOXIME
4-(Hydroxyiminomethyl)pyridine
4-formyl-pyridinoxime
4-pyridinecarboxaldehyde,oxime
Pyridine, 4-formyl-, oxime
Pyridine-4-aldoxime,98%
4-(hydroxyiminomethyl)pyridin
4-PYRIDINECARBOXALDOXIME 99+%
4-PYRIDINCALDOXIME
4-(Nitrosomethylidene)-1H-pyridine
N-(4-Pyridylmethylene)hydroxylamine
Pyridine-4-carbaldehyde oxime | [EINECS(EC#)]
211-796-6 | [Molecular Formula]
C6H6N2O | [MDL Number]
MFCD00006446 | [Molecular Weight]
122.12 | [MOL File]
696-54-8.mol |
| Chemical Properties | Back Directory | [Appearance]
white very fine crystalline powder | [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) | [Fp ]
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 Data | Back Directory | [Hazard Codes ]
Xn | [Risk Statements ]
R20/22:Harmful by inhalation and if swallowed .
R36/37/38:Irritating to eyes, respiratory system and skin .
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed . | [Safety Statements ]
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
S36:Wear suitable protective clothing .
S37/39:Wear suitable gloves and eye/face protection . | [WGK Germany ]
3
| [RTECS ]
NR9410000
| [HS Code ]
29333999 | [Toxicity]
LD50 orally in Rabbit: 655 mg/kg |
| Hazard Information | Back Directory | [Chemical Properties]
white very fine crystalline powder | [Uses]
An intermediate for bis(hydroxyiminomethylpyridinium)butenes as reactivators of chlorpyrifos-inhibited acetylcholinesterase. | [Uses]
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.] |
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