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Cas Database |
| Name |
2-Pyridinecarbaldehyde oxime |
EINECS | 212-849-6 |
| CAS No. | 873-69-8 | Density | 1.14 g/cm3 |
| PSA | 45.48000 | LogP | 0.88970 |
| Solubility | methanol: 0.1 g/mL, clear | Melting Point |
110-112 °C(lit.) |
| Formula | C6H6N2O | Boiling Point | 198 °C at 760 mmHg |
| Molecular Weight | 122.126 | Flash Point | 73.5 °C |
| Transport Information | N/A | Appearance | White to pale pink powder. |
| Safety | 26-36/37/39-37/39 | Risk Codes | 22-37/38-41-36/37/38-20/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn, Xi
|
| Synonyms |
Picolinaldehyde,oxime (6CI,8CI);2-Aldoximepyridine;2-Formylpyridine ketoxime;2-Hydroxyiminomethyl pyridine;NSC 66484;Picolinaldoxime; |
Article Data | 69 |
2-Pyridinecarbaldehyde oxime Synthetic route
| Conditions | Yield |
|---|---|
| With hydroxylamine hydrochloride; sodium acetate In ethanol at 60℃; for 2h; | 100% |
| Stage #1: pyridine-2-carbaldehyde With hydroxylamine hydrochloride In ethanol; water at 20℃; for 0.0166667h; Sealed tube; Stage #2: In ethanol; water at 120℃; for 1h; Sealed tube; Microwave irradiation; | 98% |
| With hydroxylamine hydrochloride; sodium hydroxide In ethanol; water at 50℃; for 2h; | 93.4% |
| Conditions | Yield |
|---|---|
| With Acetaldehyde oxime; oxygen; 1N,3N,5N-trihydroxy-1,3,5-triazin-2,4,6[1H,3H,5H]-trione In water at 100℃; for 42h; Green chemistry; | 78% |
| Conditions | Yield |
|---|---|
| With hydroxylamine hydrochloride; dihydrogen peroxide; C18H13N2O4V In acetonitrile at 20 - 70℃; for 2.33333h; | 78% |
| Conditions | Yield |
|---|---|
| With tert.-butylnitrite; N-hydroxyphthalimide; copper diacetate In acetonitrile at 80℃; for 24h; Inert atmosphere; | 73% |
| With potassium tert-butylate; ammonia 1.) -33 deg C, 1 h, 2.) -33 deg C; Yield given. Multistep reaction; |
- 34433-31-3, 119400-50-9
asoxime
A
- 142-08-5
2-hydroxypyridin
B
- 100-70-9
2-Cyanopyridine
C
- 873-69-8
2-pyridinealdoxime
D
- 55-22-1
pyridine-4-carboxylic acid
E
- 50-00-0
formaldehyd
F
- 1453-82-3
isonicotinamide
| Conditions | Yield |
|---|---|
| With sodium phosphate at 36.9℃; for 4h; Rate constant; rates of decomposition at various pH values and temperatures; |
A
- 142-08-5
2-hydroxypyridin
B
- 100-70-9
2-Cyanopyridine
C
- 873-69-8
2-pyridinealdoxime
D
- 5424-19-1
3-Benzoylpyridine
E
- 50-00-0
formaldehyd
| Conditions | Yield |
|---|---|
| With sodium phosphate at 36.9℃; for 6h; Rate constant; rates of decomposition at various pH values and temperatures; |
- 873-69-8
2-pyridinealdoxime
- 70723-34-1
C11H18IN2O2
- 94285-68-4
2-Oximinomethyl-1-<3-(2,2,3,5,5-pentamethyl-1-oxylimidazolidin-4-ylidene)-2-oxopropyl>pyridinium iodide
| Conditions | Yield |
|---|---|
| In N,N-dimethyl-formamide for 30h; | 100% |
| Conditions | Yield |
|---|---|
| In benzene byproducts: H2O; 1:2 molar ratio of (C3H7)3SnOSn(C3H7)3 and hydroxylamine derivate, in dry benzene; removing of water formed by azeotropic distn.; reaction controlled by IR spectra; removing of solvent; vac. distn.; | 100% |
| Conditions | Yield |
|---|---|
| With triethylamine In dichloromethane at 20℃; for 2h; Cooling with ice; Inert atmosphere; | 100% |
| Conditions | Yield |
|---|---|
| With triethylamine In dichloromethane at 20℃; for 2h; Cooling with ice; Inert atmosphere; | 100% |
2-Pyridinecarbaldehyde oxime Chemical Properties
Molecular structure of Pyridine-2-aldoxime (CAS NO.873-69-8) is:
Product Name: Pyridine-2-aldoxime
CAS Registry Number: 873-69-8
IUPAC Name: (2E)-2-(nitrosomethylidene)-1H-pyridine
Molecular Weight: 122.12464 [g/mol]
Molecular Formula: C6H6N2O
XLogP3-AA: 0.8
H-Bond Donor: 1
H-Bond Acceptor: 3
EINECS: 212-849-6
Water Solubility: 15 g/L (20 ºC)
Melting Point: 110-112 °C(lit.)
Surface Tension: 44.4 dyne/cm
Density: 1.14 g/cm3
Flash Point: 73.5 °C
Enthalpy of Vaporization: 43.42 kJ/mol
Boiling Point: 198 °C at 760 mmHg
Vapour Pressure: 0.368 mmHg at 25°C
Product Categories: Pyridine; Aromatic Hydrazides, Hydrazines, Hydrazones and Oximes
2-Pyridinecarbaldehyde oxime Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 200mg/kg (200mg/kg) | National Technical Information Service. Vol. AD691-490, | |
| rat | LD50 | intraperitoneal | 299mg/kg (299mg/kg) | British Journal of Pharmacology and Chemotherapy. Vol. 13, Pg. 202, 1958. |
2-Pyridinecarbaldehyde oxime Safety Profile
Safty information about Pyridine-2-aldoxime (CAS NO.873-69-8) is:
Hazard Codes: 
Xn, Xi
Risk Statements: 22-37/38-41-36/37/38-20/22
R22:Harmful if swallowed.
R37/38:Irritating to respiratory system and skin.
R41:Risk of serious damage to the eyes.
R36/37/38:Irritating to eyes, respiratory system and skin.
R20/22:Harmful by inhalation and if swallowed.
Safety Statements: 26-36/37/39-37/39
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection.
S37/39:Wear suitable gloves and eye/face protection.
WGK Germany: 3
RTECS: TJ4180000
Hazard Note: Irritant
HS Code: 29333999
2-Pyridinecarbaldehyde oxime Specification
Pyridine-2-aldoxime , its cas register number is 873-69-8. It also can be called 2-Formylpyridine ketoxime ; 2-Formylpyridine oxime ; 2-Hydroxyiminomethyl pyridine ; 2-Pyridinaldoxime ; 2-Pyridinecarboxaldehyde, oxime ; 2-Pyridylaldoxime ; 5-21-07-00305 (Beilstein Handbook Reference) ; BRN 0109061 ; CCRIS 7743 ; NSC 66484 ; P-2-A ; P2A ; Picolinaldoxime ; Picolinealdehyde, oxime ; Pyridine 2-aldoxime ; Pyridine-2-aldoximate ; Pyridine-2-aldoxime ; Pyrine-2-aldoximate ; alpha-Picolinealdoxime ; Pyridine-2-carbaldehyde oxime . It is a white to pale pink powder.
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