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Name 2-Pyridinecarbaldehyde oxime
EINECS212-849-6
CAS No. 873-69-8
Density1.14 g/cm³
PSA45.48000
LogP0.88970
Solubilitymethanol: 0.1 g/mL, clear
Melting Point110-112 °C(lit.)
FormulaC₆H₆N₂O
Boiling Point198 °C at 760 mmHg
Molecular Weight122.126
Flash Point73.5 °C
Transport InformationN/A
AppearanceWhite to pale pink powder.
Safety26-36/37/39-37/39
Risk Codes22-37/38-41-36/37/38-20/22
Molecular Structure
Hazard SymbolsXn,Xi
SynonymsXn,Xi
Article Data69

2-Pyridinecarbaldehyde oxime Synthetic route

: 1121-60-4
pyridine-2-carbaldehyde

: 873-69-8
2-pyridinealdoxime

Conditions

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%

: 3731-51-9
(2-aminomethylpyridine)

: 873-69-8
2-pyridinealdoxime

Conditions

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%

: 586-98-1
2-Hydroxymethylpyridine

: 873-69-8
2-pyridinealdoxime

Conditions

Conditions	Yield
With hydroxylamine hydrochloride; dihydrogen peroxide; C18H13N2O4V In acetonitrile at 20 - 70℃; for 2.33333h;	78%

: 109-06-8
α-picoline

: 873-69-8
2-pyridinealdoxime

Conditions

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

Conditions	Yield
With sodium phosphate at 36.9℃; for 4h; Rate constant; rates of decomposition at various pH values and temperatures;

...Expand

: (3-Benzoylpyridinium (1)methyl)-(2'-hydroxyiminomethylpyridinium(1')methyl)ether dichloride

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

Conditions	Yield
With sodium phosphate at 36.9℃; for 6h; Rate constant; rates of decomposition at various pH values and temperatures;

...Expand

: 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

Conditions	Yield
In N,N-dimethyl-formamide for 30h;	100%

: 873-69-8
2-pyridinealdoxime

: 1067-29-4
bis(tri-n-propylstannyl)oxide

: 57883-64-4
(C3H7)3SnONCHC5H4N

Conditions

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%

: 873-69-8
2-pyridinealdoxime

: 98-88-4
benzoyl chloride

: C13H10N2O2

Conditions

Conditions	Yield
With triethylamine In dichloromethane at 20℃; for 2h; Cooling with ice; Inert atmosphere;	100%

: 873-69-8
2-pyridinealdoxime

: 75-36-5
acetyl chloride

: C8H8N2O2

Conditions

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: Harmful 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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Product Name

2-Pyridinecarbaldehyde oxime

2-Pyridinecarbaldehyde oxime Synthetic route

2-Pyridinecarbaldehyde oxime Chemical Properties

2-Pyridinecarbaldehyde oxime Toxicity Data With Reference

2-Pyridinecarbaldehyde oxime Safety Profile

2-Pyridinecarbaldehyde oxime Specification

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