Description

Isosorbidediisobutyrate CAS NO 125344-74-3 is a high-purity diester derivative of isosorbide, valued for its excellent solvency and plasticizing properties. This specialty chemical serves as a versatile, low-volatility intermediate and additive in advanced material formulations. It is primarily sought by manufacturers in the polymer, pharmaceutical, and specialty chemical industries for developing high-performance products.

Application

• As a plasticizer and compatibilizer in specialty polymer resins and coatings.
• As a solvent and reaction medium in high-value organic synthesis and pharmaceutical manufacturing.
• As a key intermediate for synthesizing advanced monomers, surfactants, and lubricant additives.
• In the formulation of adhesives, sealants, and inks requiring low volatility and high stability.
• As a carrier or delivery agent in agrochemical and cosmetic formulations.
• For research and development of biobased materials, leveraging its renewable origin from isosorbide.

Basic Information

Product Name	Isosorbidediisobutyrate
CAS No.	125344-74-3
Molecular Formula	C16H26O6
Molecular Weight	314.37 g/mol
Synonyms	1,4:3,6-Dianhydro-D-glucitol diisobutyrate; Isosorbide Diisobutyrate; Diisobutyryl Isosorbide; DIBI; 1,4:3,6-Dianhydro-D-glucitol 2,5-diisobutyrate; 2,5-Bis(2-methylpropanoyloxy)-1,4:3,6-dianhydro-D-glucitol; NSC 757842
EINECS	Contact for details

Quality Control

Our Isosorbidediisobutyrate is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure it meets precise specifications for identity, purity, and performance. Certificates of Analysis (COA) documenting all critical parameters are 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 at room temperature (15-25°C). Keep away from strong bases and incompatible materials. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Acid Value	≤ 1.0 mg KOH/g
Specific Gravity (20°C)	1.10 - 1.15
Refractive Index (20°C)	1.450 - 1.460

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