Methyl Ethyl Ketoxime ( MEKO)

Key Attributes

Basic Identification Attributes

• Chemical Name (IUPAC): (E)-N-Hydroxy-1-methylbutan-2-imine

• Common/Trade Name: Methyl Ethyl Ketoxime (MEKO)

• CAS Number: 96-29-7

• HS Code: 2921.42.00

• Synonyms: MEKO; methyl ethyl ketone oxime; 2-Butanone oxime

Physical & Chemical Properties

• Physical State: Liquid

• Color & Odor: Clear to pale yellow; mild characteristic odor

• Boiling Point: 132°C

• Melting Point: -38°C

• Flash Point: 65°C (closed cup)

• Density: 0.904 g/cm³ at 20°C

• Solubility: Slightly soluble in water; miscible with most organic solvents

Safety & Hazard Attributes

• GHS Classification: Flammable liquid, Category 4; Acute toxicity (oral), Category 4; Skin irritation, Category 2

• Toxicity: Moderate toxicity; avoid ingestion, inhalation, and skin contact

• Exposure Limits: No widely established limits; follow general chemical safety guidelines

Storage & Handling Attributes

• Storage Conditions: Store in a cool, well-ventilated place away from heat, sparks, and open flames

• Container Type: Supplied in sealed metal or plastic containers

• Shelf Life: Stable under proper storage conditions for up to 2 years

• Handling Precautions: Use protective gloves and eye protection; avoid inhalation of vapors

Regulatory & Compliance Attributes

• Complies with international chemical safety standards and regulations

• Registered under relevant chemical inventories (e.g., REACH)

Environmental & Health Impact

• Biodegradability: Biodegradable under suitable conditions

• Ecotoxicity: Low environmental impact if used as directed

• Bioaccumulation: Not expected to bioaccumulate

• Carcinogenicity/Mutagenicity: Not classified as carcinogenic