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Surfactants

Isopropyl palmitate

CAS: 142-91-6

Overview

Isopropyl palmitate (CAS 142-91-6 ), commonly abbreviated as IPP and sold under trade names such as Wickenol 111, Unimate IPP, and Tegosoft P, is a synthetic ester of isopropyl alcohol and palmitic acid.

It functions as an emollient, carrier solvent, and lubricant across personal care, pharmaceutical, and industrial formulations. In cosmetics and skincare, IPP is used as a lightweight emollient and spreading agent.

It is frequently found in creams, lotions, lip products, and color cosmetics, where it improves skin feel without a greasy residue. Pharmaceutical manufacturers incorporate it into topical drug delivery systems.

These applications include ointments and transdermal patches, where it acts as a carrier that enhances active penetration and formulation spreadability. In hair care, it conditions and adds gloss to treatments.

Industrial and metalworking formulators use IPP as a lubricant base and carrier in cutting fluids and release agents. It is preferred where low viscosity and good surface wetting are required for the process.

Isopropyl palmitate is supplied as a clear, low-viscosity liquid. It is available in cosmetic-grade and pharmaceutical-grade specifications, with the latter conforming to USP , BP , and Ph.Eur. standards.

Bulk supply is standard in drums and IBCs, with cosmetic and pharma grades being the most commercially active. This versatile ester remains a staple for formulators seeking high purity and consistent performance.

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Physical Properties

Melting Point13.5 °C
Boiling Point160 °C
Density0.8404 g/cm³ @ Temp: 38 °C
Flash Point>230 °F
ColorColourless
Odorvery sl. odor
Formneat
Water SolubilityNot miscible or difficult to mix with water.
Vapor Pressure0.007Pa at 25℃
Refractive Indexn 20/D 1.438(lit.)
Log P8.16

Trade & Regulatory

HS Code29157090

Other Names

Wickenol 111 | Unimate ipp | Tegosoft p | Tegester isopalm | Stepan D-70 | Starfol ipp | Sinnoester pit | Propal | IPP

Related Products

Chemical Properties

CAS Number
142-91-6
EC Number
205-571-1
Mol. Weight
298.5
HS Code
29157090
Category
Surfactants

Industries

Documentation