Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Physical Properties of Alcohols and Phenols

Physical Properties of Alcohols and Phenols

Alcohols are organic compounds in which a hydroxy group is attached to a saturated carbon. Phenols are a class of alcohols containing a hydroxy group attached to an aromatic ring. The physical properties of the alcohols and phenols are influenced by hydrogen bonding due to the oxygen–hydrogen dipole in the hydroxy functional group and dispersion forces between alkyl or aryl regions of alcohol and phenol molecules.
Alcohols possess a higher boiling point than aliphatic hydrocarbons of...

Solvating Effects

Solvating Effects

An understanding of the solvating effect helps rationalize the relation between solvation and acidity of the compound. In addition, this also explains the relative stability of conjugate bases for compounds with different pKa values. This lesson details, in-depth, the principle of solvating effects. The strength of an acid and the stability of its corresponding conjugate base are determined using pKa values. This observed relationship is a consequence of solvation, which is the interaction...

Preparation of Diols and Pinacol Rearrangement

Preparation of Diols and Pinacol Rearrangement

Compounds bearing two hydroxyl groups are known as diols. When the hydroxyl groups are located on adjacent carbon atoms, the diols are called vicinal diols or glycols. Under acidic conditions, vicinal diols undergo a specific reaction called pinacol rearrangement.
The reaction begins with transferring a proton from the acid catalyst to one of the hydroxyl groups, producing an oxonium ion.

Physical Properties of Ethers

Physical Properties of Ethers

Overview
An ether molecule has a net dipole moment due to the polarity of C–O bonds. Subsequently, boiling points of ethers are lower than those of alcohols of comparable molecular weight and slightly higher than those of hydrocarbons of comparable molecular weight (Table 1).
Ethers can act as hydrogen bond acceptors, making them more water-soluble than hydrocarbons, but since ethers cannot act as hydrogen bond donors, they are much less soluble in water than alcohols. Ethers are considered...

Protection of Alcohols

Protection of Alcohols

This lesson delves into the concept of protection and deprotection of a functional group fundamental to synthetic organic chemistry. These phenomena are explained in the context of aliphatic and aromatic alcohols.
Protection
It defines a protecting group as the masking agent to make the more reactive species inert to a given set of conditions. This concept is depicted via the illustration of liquid flow through different outlets in an assembly of pipes. The analogy helps to understand the role...

Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis

Ethers from Alcohols: Alcohol Dehydration and Williamson Ether Synthesis

Overview
Ethers can be prepared from organic compounds by various methods. Some of them are discussed below,
Preparation of Ethers by Alcohol Dehydration
In this method, in the presence of protic acids, alcohol dehydrates to produce alkenes and ethers under different conditions. For example, in the presence of sulphuric acid, dehydration of ethanol at 413 K yields ethoxyethane, whereas it yields ethene at 443 K.

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same authorSame journal

Safety Assessment of <i>Melaleuca alternifolia</i> (Tea Tree)-Derived Ingredients as Used in Cosmetics.

International journal of toxicology·2026

Same authorSame journal

Safety Assessment of Radish Root - Derived Ingredients as Used in Cosmetics.

International journal of toxicology·2026

Same authorSame journal

Amended Safety Assessment of Naturally-Sourced Clays as Used in Cosmetics.

International journal of toxicology·2026

Same author

Safety Assessment of Diatomaceous Earth as Used in Cosmetics.

International journal of toxicology·2026

Same author

Safety Assessment of Basic Yellow 87 as Used in Cosmetics.

International journal of toxicology·2026

Same author

Safety Assessment of Glycolactones as Used in Cosmetics.

International journal of toxicology·2026

Search research articles

Related Experiment Video

Updated: Jul 15, 2025

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

Isopropyl Lanolate.

Monice Fiume¹, Wilma F Bergfeld¹, Donald V Belsito¹

¹Cosmetic Ingredient Review Senior Director.

International Journal of Toxicology

|September 25, 2023

Summary

This summary is machine-generated.

The Expert Panel for Cosmetic Ingredient Safety reaffirmed that Isopropyl Lanolate is safe for cosmetic use. Updated reviews confirm its safety in current product types, frequencies, and concentrations.

Keywords:

Cosmetics Isopropyl Lanolate Safety

More Related Videos

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Optimization of Radiochemical Reactions using Droplet Arrays

Optimization of Radiochemical Reactions using Droplet Arrays

Published on: February 12, 2021

Related Experiment Videos

Last Updated: Jul 15, 2025

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Free Radicals in Chemical Biology: from Chemical Behavior to Biomarker Development

Published on: April 15, 2013

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Preparation of Monodomain Liquid Crystal Elastomers and Liquid Crystal Elastomer Nanocomposites

Published on: February 6, 2016

Optimization of Radiochemical Reactions using Droplet Arrays

Optimization of Radiochemical Reactions using Droplet Arrays

Published on: February 12, 2021

Area of Science:

Cosmetic Science
Dermatology
Toxicology

Background:

The safety of cosmetic ingredients requires ongoing evaluation.
Isopropyl Lanolate was previously assessed in 1980.

Purpose of the Study:

To review updated safety data for Isopropyl Lanolate.
To assess current product use, frequency, and concentrations of Isopropyl Lanolate.

Main Methods:

Expert Panel review of updated scientific information.
Analysis of current cosmetic product types.
Evaluation of usage frequency and ingredient concentrations.

Main Results:

Updated information was considered since the 1980 assessment.
Current product types, use frequency, and concentrations were analyzed.
No new safety concerns were identified.

Conclusions:

Isopropyl Lanolate is safe as a cosmetic ingredient.
The ingredient's safety is confirmed for current practices of use and concentration.