Description

2-Isopentyl-2-Isopropylpropane-1,3-Diol is a specialized branched-chain diol, a versatile chemical intermediate prized for its unique steric and solubility properties derived from its isopentyl and isopropyl substituents. This compound is critical for synthesizing high-performance polymers, specialty plasticizers, and advanced lubricant additives where thermal stability and low volatility are required. It serves key roles in the pharmaceutical, agrochemical, and specialty polymer industries, particularly in the development of novel active ingredients and functional materials.

Application

• Polymer & Resin Intermediate: Used as a monomer or chain extender in the synthesis of polyesters, polyurethanes, and alkyd resins, imparting flexibility and hydrophobicity.
• Pharmaceutical Synthesis: Serves as a key chiral building block or protecting group in the multi-step synthesis of complex drug molecules and active pharmaceutical ingredients (APIs).
• Agrochemical Formulations: Employed as an intermediate in the production of pesticides, herbicides, and plant growth regulators, enhancing efficacy and environmental profile.
• Specialty Plasticizers & Lubricants: Acts as a precursor for high-molecular-weight esters used as low-volatility plasticizers for PVC and synthetic lubricant base stocks.
• Cosmetic & Personal Care Ingredients: Utilized in the synthesis of emollients, viscosity modifiers, and delivery agents for skin care formulations.
• Flavor & Fragrance Chemistry: Functions as an intermediate for creating musk-like odorants and complex ester-based aroma chemicals.
• Crosslinking Agent: Applied in coatings, adhesives, and sealants to improve crosslink density, chemical resistance, and durability.
• Research & Development: A valuable reagent for academic and industrial R&D in organic synthesis and material science.

Basic Information

Product Name	2-Isopentyl-2-Isopropylpropane-1,3-Diol
CAS No.	129228-29-1
Molecular Formula	C11H24O2
Molecular Weight	188.31 g/mol
Synonyms	1,3-Propanediol, 2-(3-methylbutyl)-2-(1-methylethyl)-; 2-Isopentyl-2-isopropyl-1,3-propanediol; 2-(3-Methylbutyl)-2-isopropylpropane-1,3-diol; 2-Isopropyl-2-isopentyl-1,3-propanediol; Branched C11 Diol; Isopentyl Isopropyl Propanediol
EINECS	Contact for details

Quality Control

Every batch of 2-Isopentyl-2-Isopropylpropane-1,3-Diol is manufactured under a strict quality management system and undergoes rigorous analytical testing to ensure high purity, consistency, and traceability. Our standard quality commitment includes comprehensive identity confirmation, purity assay, and impurity profiling. A detailed Certificate of Analysis (COA) documenting all test 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 at controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive). Keep the container tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent moisture absorption and oxidation. Keep away from heat, sparks, and open flame.

Specification

Item	Specification
Appearance	Colorless to pale yellow viscous liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	0.92 - 0.96
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.