Acetaldoxime CAS No. 107-29-9

Acetaldoxime 

CAS No.: 107-29-9 | EC No.: 203-479-6

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1. Chemical Identification

Property	Specification
IUPAC Name	(E/Z)-N-hydroxyethanimine
Molecular Formula	C₂H₅NO
Molecular Weight	59.07 g/mol
Appearance	White low-melting solid or clear liquid
Melting Point	44-46°C
Refractive Index	n<sup>20</sup><sub>D</sub> 1.426
Acidity Coefficient	pKa 11.82±0.10 (predicted)
Boiling Point	114-115°C

Synonyms:
AAO, Acetaldehyde oxime, N-Hydroxyethanimine

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2. Key Applications

Pesticide Industry

Primary Intermediate for synthesis of:
✓ Methomyl (broad-spectrum insecticide)
✓ Thiodicarb (cotton bollworm control)
✓ Thiofanox (systemic insecticide)

Industrial Applications

Boiler Water Treatment: Oxygen scavenger/deoxidizerMetal Analysis: Detection reagent for cobalt, copper & nickelOrganic Synthesis: Versatile building block

Additional Uses

Pharmaceutical intermediatesPlasticizer component

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3. Product Advantages

✔ High Reactivity – Excellent yields in synthesis
✔ Dual-Phase Utility – Solid or liquid form flexibility
✔ Multi-industry Functionality – Cross-sector applications

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4. Physical & Chemical Properties

Solubility:Soluble in water and most organic solventsMiscible with ethanol, ether, acetoneStability: Stable under recommended storage conditions

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5. Handling & Storage

Parameter	Requirement
Storage Temp	2-8°C (refrigerated recommended)
Packaging	25kg polyethylene drums
Shelf Life	12 months when properly stored
Special Notes	Keep container tightly sealed

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6. Safety Information

Hazard Statements:

H302: Harmful if swallowedH315: Causes skin irritationH319: Causes serious eye irritation

Precautionary Measures:

P280: Wear protective gloves/eye protectionP305+P351+P338: Eye contact rinse procedureP310: Immediate medical attention if ingested

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7. Quality Specifications

Purity: ≥98% (GC)Water Content: ≤0.5%Impurities: ≤1.0% total

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Disclaimer:
This technical information is intended for qualified professionals. Users must verify regulatory compliance for intended applications and follow all safety protocols. Proper PPE including nitrile gloves and goggles is required during handling.

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Batch-to-Batch Consistency: Rigorous QC testingTechnical Support: Application expertise availableGlobal Compliance: Meets international chemical standards

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