4-Pyridinealdoxime

4-Pyridinealdoxime Basic information

Product Name:	4-Pyridinealdoxime
Synonyms:	Pyridine, 4-formyl-, oxime;ISONICOTINALDEHYDE OXIME;ISONICOTINALDOXIME;4-PYRIDINECARBOXALDOXIME;4-PYRIDINECARBALDEHYDE OXIME;4-PYRIDINEALDOXIME;PYRIDINE-4-CARBALDOXIME;PYRIDINE-4-ALDOXIME
CAS:	696-54-8
MF:	C6H6N2O
MW:	122.12
EINECS:	211-796-6
Product Categories:	Pyridines, Pyrimidines, Purines and Pteredines;C6;Heterocyclic Building Blocks;Pyridines;Aromatics;Bases & Related Reagents;Heterocycles;Nucleotides;Building Blocks;Chemical Synthesis;Heterocyclic Building Blocks
Mol File:	696-54-8.mol

4-Pyridinealdoxime Chemical Properties

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
pka	pK1:4.73(+1);pK2:10.03(0) (25°C)
form	Solid
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

Hazard Codes	Xn
Risk Statements	20/22-36/37/38-20/21/22
Safety Statements	26-36-37/39
WGK Germany	3
RTECS	NR9410000
HS Code	29333999
Toxicity	LD50 orally in Rabbit: 655 mg/kg

MSDS Information

Provider	Language
4-Pyridinealdoxime	English
SigmaAldrich	English
ACROS	English
ALFA	English

4-Pyridinealdoxime Usage And Synthesis

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.]

4-Pyridinealdoxime Preparation Products And Raw materials

Raw materials	Hydroxylamine sulfate-->4-Methylpyridine-->4-Pyridinecarboxaldehyde-->3-Pyridinecarboxaldehyde,3-oxime,1-oxide,[C(E)]-(9CI)-->Pyridine, 4-(bromomethyl)- (9CI)-->4-Pyridinemethaneamine-->NITROUS ACID-->Hydroxylamine hydrochloride-->Isonicotinamide
Preparation Products	4-Cyanopyridine-->(Z)-N-hydroxyisonicotiniMidoyl chloride

N'-[(3,4-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE N'-HYDROXYPYRIDINE-4-CARBOXIMIDAMIDE SPECS AA-516/25012204 Chlorure de 1 phenacyle de pyridine 4-aldoxime [French] N'-([3-(TRIFLUOROMETHYL)BENZYL]OXY)-4-PYRIDINECARBOXIMIDAMIDE ([(4-CHLOROBENZYL)OXY]IMINO)(4-PYRIDINYL)METHANAMINIUM CHLORIDE Pyridinium, 1-(((4-((hydroxyimino)methyl)pyridino)methoxy)methyl)-3-(3 -methyl-1-oxobutyl)-, diiodide OBIDOXIME OBIDOXIME CHLORIDE N'-[(2,6-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE 4-[CYANO(HYDROXYAMINO)METHYL]-1-METHYLPYRIDINIUM IODIDE N'-[(2,4-DICHLOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE N'-[(4-NITROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE pyridoxaloxime AKOS B006530 POBN N'-[(2-CHLORO-6-FLUOROBENZYL)OXY]-4-PYRIDINECARBOXIMIDAMIDE 4-Pyridinealdoxime

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