Description

Isostearyl Alcohol is a branched-chain, saturated fatty alcohol derived from natural sources, offering excellent oxidative stability and low-temperature fluidity. This high-purity ingredient is valued for its exceptional emolliency, skin feel, and compatibility with a wide range of cosmetic and pharmaceutical formulations. It serves as a key intermediate and functional additive for manufacturers in the personal care, cosmetics, and specialty chemical industries seeking superior performance and reliable supply.

Application

• Cosmetic & Personal Care Emollient: A primary ingredient in creams, lotions, lipsticks, and sunscreens for its non-greasy, velvety skin feel and excellent spreading properties.
• Pharmaceutical Excipient: Used as an emollient and consistency regulator in topical ointments, creams, and dermatological preparations.
• Lubricant & Plasticizer: Functions as a lubricant in metalworking fluids and a secondary plasticizer in PVC and other polymer systems to improve low-temperature flexibility.
• Chemical Intermediate: Serves as a raw material for the synthesis of isostearyl esters, ethoxylates, and other derivatives used in surfactants and lubricants.
• Hair Care Products: Imparts gloss and manageability in hair conditioners, serums, and styling products without weighing hair down.
• Color Cosmetics: Provides pigment wetting and dispersion properties in makeup formulations, enhancing color payoff and texture.

Basic Information

Product Name	Isostearyl Alcohol
CAS No.	27458-93-1
Molecular Formula	C18H38O
Molecular Weight	270.5 g/mol
Synonyms	Isooctadecanol; 16-Methylheptadecan-1-ol; Isooctadecyl Alcohol; Isostearylalkohol; ISAL; 2-Heptyl-1-undecanol; (16-Methylheptadecyl) alcohol; Branched C18 Alcohol
EINECS	248-470-8

Quality Control

Our Isostearyl Alcohol is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. Quality is verified through comprehensive analytical testing including gas chromatography (GC), hydroxyl value determination, and color measurement. A Certificate of Analysis (COA) documenting purity, identity, and key physical parameters is provided with every shipment 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 alkalis and oxidizing agents. Under these conditions, the product has excellent shelf stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC)	Min. 98.0%
Hydroxyl Value	200 - 210 mg KOH/g
Acid Value	Max. 0.1 mg KOH/g
Iodine Value	Max. 1.0 g I2/100g
Color (APHA)	Max. 30
Water Content	Max. 0.1%

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