Description

4-Methyl-2-Pentanone Oxime, also known as Methyl Isobutyl Ketone Oxime (MIBKO), is a versatile chemical intermediate and blocking agent valued for its reactivity. It is a key component in the production of anti-skinning agents for alkyd resin paints and coatings, preventing premature drying in containers. This compound is essential for manufacturers in the coatings, polymer, and specialty chemical industries seeking to improve product shelf-life and process efficiency.

Application

• Primary use as an anti-skinning agent in alkyd resin-based paints, varnishes, and printing inks.
• Chemical intermediate in organic synthesis for pharmaceuticals and agrochemicals.
• Blocking agent for isocyanates in polyurethane systems.
• Stabilizer and corrosion inhibitor in industrial formulations.
• Used in the synthesis of various oxime derivatives and specialty chemicals.
• Component in cross-linking and curing agents for polymer chemistry.

Basic Information

Product Name	4-Methyl-2-Pentanone Oxime
CAS No.	105-44-2
Molecular Formula	C6H13NO
Molecular Weight	115.17 g/mol
Synonyms	Methyl Isobutyl Ketone Oxime (MIBKO); Isobutyl Methyl Ketoxime; 4-Methylpentan-2-one oxime; MIBK Oxime; 2-Pentanone, 4-methyl-, oxime; NSC 403124; Hexone Oxime
EINECS	203-298-6

Quality Control

Our 4-Methyl-2-Pentanone Oxime is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise chemical and physical specifications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment to guarantee consistency and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources and incompatible materials. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture absorption and volatilization.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.915 - 0.925
Refractive Index (20°C)	1.440 - 1.445

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.