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AdvanSix Acetaldehyde Oxime (AAO)

Acetaldehyde oxime (AAO) is an essential chemical intermediate for Agriculture & Feed markets. It is used as a crop protection chemical to prevent fungus and insect infestation. AAO is also used as an additive in zinc phosphate coating formulations for corrosion resistance applications.

Chemical NameAcetaldehyde Oxime (AAO)

FunctionIntermediate, Anti-Microbial Agent

CAS Number107-29-9

Labeling ClaimsHigh Purity

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Physical Form
Miscible in
Typical Properties
ValueUnitsTest Method / Conditions
Acetaldehyde Contentmax. 0.10%QAAAO-0012
Acetaldehyde Oxime Content49-51%QAAAO-0001, QAAAO-0010
Acetonitrile Contentmax. 0.10%QAAAO-0012
Alkalinity (as NH3)max. 0.1%QAAAO-0004
Iron Contentmax. 1ppmQAAAO-0008
Methyl Ethyl Ketoxime Contentmax. 0.50%QAAAO-0012
Physico-Chemical Properties
ValueUnitsTest Method / Conditions
Boiling Point107 (224.6)°C (°F)-
Boiling Point Mixture 50:50 (wt%/wt%)approx. 95.5 (203.9)°C (°F)-
Density (at 20°C (68°F))0.98g/mL-
Flash Point 50:50 (wt/wt%)56 (132.8)°C (°F)-
Melting Point (α-Types)46.5 (115.7)°C (°F)-
Melting Point (β-Types)12 (53.6)°C (°F)-
Molecular Weight (Mixture)38.55g/mol-
pH8 - 9--
Vapor Pressure (at 20°C)20.2mmHg-
Viscosity (at 20°C)0.64cP-
AAO Solution, 50% Weight in Water
Chemical Name CAS No. Concentration Formula MW
Acetaldehyde Oxime 107-29-9 49.0 - 51.0 Wt. % CH3CHNOH 59.07
Water 7732-18-5 49.0 - 51.0 Wt. % H2O 18.02
Acetaldehyde 75-07-0 < or = 0.10 Wt. % CH3CHO 44.05

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