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935-30-8

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Identification

Name
2-AZACYCLONONANONE
CAS
935-30-8
Synonyms
1,8-OCTALACTAM
2-AZACYCLONONANONE
CAPRYLOLACTAM
CYCLOOCTANONE ISOOXIME
OMEGA-CAPRYLOLACTAM
OMEGA-OCTALACTAM
OMEGA-OCTANOLACTAM
1-Aza-2-cyclononanone
1-Azacyclononan-2-one
1H-Azonin-2(3H)-one, hexahydro-
2-Azacyclononanon
2-Azonanone
2H-Azonin-2-one,octahydro-
2-Oxooctamethyleneimine
2-Perhydroazoninone
8-Aminooctanoic acid lactam
8-aminooctanoicacidlactam
8-Octanelactam
Azacyclononan-2-one
Azonan-2-one
EINECS(EC#)
213-300-3
Molecular Formula
C8H15NO
MDL Number
MFCD00003273
Molecular Weight
141.21
MOL File
935-30-8.mol

Chemical Properties

Appearance
White to pale yellow crystalline powder
Melting point 
74-76 °C(lit.)

mp 
74-76 °C(lit.)

Boiling point 
151 °C / 8mmHg
bp 
151 °C/8mmHg
density 
0.9938 (rough estimate)
refractive index 
1.4811 (estimate)
solubility 
Soluble in methanol (almost transparency).
pka
16.61±0.20(Predicted)
BRN 
109775
CAS DataBase Reference
935-30-8(CAS DataBase Reference)

Safety Data

Hazard Codes 
Xn
Risk Statements 
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 
S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
WGK Germany 
3

RTECS 
CO1757000

HS Code 
29337900

Hazard Information

Chemical Properties
White to pale yellow crystalline powder
Uses
2-Azacyclononanone has been used as an internal standard liquid chromatography-ultraviolet detection method for the determination of caprolactam in the aqueous food stimulant 3% acetic acid (w/v).
General Description
2-Azacyclononanone forms complexes with hydrated lanthanides trifluoroacetate in ethanol. It reacts with mercury(II)acetate and erbium(III)nitrate in methanol to yield the heterocyclic complex .

Purification Methods
Dissolve it in CHCl3, decolorise it with charcoal, evaporate to dryness and recrystallise it from CHCl3/hexane. Sublime it at high vacuum. The oxime has m 117o (from *C6H6 or pet ether). [Guggisberg Helv Chim Acta 61 1050 1978, Olah et al. Synthesis 538 1979, Behringer & Meier Justus Liebigs Ann Chem 607 67 1957, Beilstein 21 III/V 3260.]

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