Description

2,2,4-Trimethyl-1,3-Pentanediol Monoisobutyrate is a high-purity, versatile chemical intermediate and solvent. This compound is valued for its excellent solvency power, low volatility, and compatibility with a wide range of resins and polymers. It is primarily needed by manufacturers in the coatings, inks, adhesives, and plastics industries seeking to enhance product performance and formulation stability.

Application

• As a high-boiling point coalescing agent and plasticizer in water-based and solvent-based architectural and industrial coatings.
• As a slow-evaporating solvent in printing inks to improve flow, gloss, and substrate wetting.
• As a reactive diluent and viscosity modifier in unsaturated polyester resins and gel coats.
• As a plasticizer and processing aid in the production of PVC, cellulose esters, and synthetic resins.
• As an intermediate in the synthesis of more complex chemical compounds for specialized applications.
• As a component in adhesive and sealant formulations to enhance flexibility and adhesion.

Basic Information

Product Name	2,2,4-Trimethyl-1,3-Pentanediol Monoisobutyrate
CAS No.	25265-77-4
Molecular Formula	C12H24O3
Molecular Weight	216.32 g/mol
Synonyms	Texanol Ester Alcohol; 2,2,4-Trimethyl-1,3-pentanediol monoisobutyrate; TMPD Monoisobutyrate; 3-Hydroxy-2,2,4-trimethylpentyl isobutyrate; Isobutyric acid, 3-hydroxy-2,2,4-trimethylpentyl ester; Eastman Texanol; Coalescing aid Texanol; 2,2,4-Trimethylpentane-1,3-diol monoisobutyrate
EINECS	246-771-9

Quality Control

Our 2,2,4-Trimethyl-1,3-Pentanediol Monoisobutyrate is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and physical properties. A Certificate of Analysis (COA) documenting these results is provided with each shipment and is available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and oxidizing agents. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F). Keep container tightly sealed when not in use to prevent moisture absorption and contamination.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.5%
Color (Pt-Co)	≤ 30
Water Content (KF)	≤ 0.1%
Acidity (as acetic acid)	≤ 0.01%
Specific Gravity (20/20°C)	0.945 - 0.955
Refractive Index (20°C)	1.442 - 1.446

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