Description

Isopropyl Isostearate is a high-purity, synthetic ester derived from isostearic acid and isopropanol, valued for its exceptional emolliency, light texture, and excellent skin feel. This versatile chemical acts as a superior solvent, carrier, and skin-conditioning agent, offering enhanced spreadability and formulation stability. It is a critical ingredient for manufacturers in the personal care, cosmetics, and pharmaceutical industries seeking to improve product performance and user experience.

Application

• Cosmetic & Personal Care Formulations: Primarily used as an emollient and solvent in skin creams, lotions, sunscreens, and makeup products for its non-greasy, silky feel.
• Hair Care Products: Serves as a conditioning agent and gloss enhancer in shampoos, conditioners, and hair styling preparations.
• Pharmaceutical Topicals: Employed as a penetration enhancer and base material in ointments, creams, and transdermal drug delivery systems.
• Industrial Lubricants & Release Agents: Functions as a synthetic lubricant and mold release agent in specialized manufacturing processes.
• Plasticizer & Textile Auxiliary: Used as a secondary plasticizer and softening agent for polymers and synthetic fibers.
• Chemical Intermediate: Acts as a building block for the synthesis of more complex esters and specialty chemicals.

Basic Information

Product Name	Isopropyl Isostearate
CAS No.	68171-33-5
Molecular Formula	C21H42O2
Molecular Weight	326.56 g/mol
Synonyms	Isopropyl iso-octadecanoate; Isopropanol isostearate; Isooctadecanoic acid, 1-methylethyl ester; 1-Methylethyl isooctadecanoate; Isostearic acid isopropyl ester; IPIS; Propane-2-yl (16-methylheptadecanoate)
EINECS	Contact for details

Quality Control

Our Isopropyl Isostearate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, identity, and performance. Certificates of Analysis (COA) documenting key parameters such as assay, acid value, and saponification value are provided to guarantee consistent quality and supply reliability for your formulations.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from strong alkalis and incompatible materials. Recommended storage temperature is between 15°C and 25°C (59°F and 77°F).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Acid Value	≤ 1.0 mg KOH/g
Saponification Value	165 - 175 mg KOH/g
Iodine Value	≤ 5.0 g I2/100g
Refractive Index (20°C)	1.440 - 1.450
Specific Gravity (20/20°C)	0.850 - 0.870

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