PEG-40 stearic acid ester is a white or slightly yellow waxy solid (flake or block), odorless or with a slight fat odor, and is a non-ionic surfactant.

PEG-40 stearic acid ester

CAS::9004-99-3

HSCODE:34024200

Physical and chemical properties:

PEG-40 stearic acid ester is a white or slightly yellow waxy solid (flake or block), odorless or with a slight fat odor. It is a non-ionic surfactant with good compatibility with most other surfactants and excipients. Dissolved in water, ethanol, acetone, and carbon tetrachloride; Insoluble in ether, ethylene glycol, and mineral oil.

Production method:

The esterification method is currently a suitable and safe production method, which involves the direct esterification reaction of polyethylene glycol and stearic acid to produce it.

Purpose:

PEG-40 stearate is a versatile ingredient widely used in various fields such as personal care, medicine, and industry due to its excellent emulsifying, cleaning, and thickening properties.

1. Personal care and cosmetics:

This is the main application area of PEG-40 stearate, which is almost the "behind the scenes hero" of many daily care products.

Skincare products: commonly used in cleansers, shampoos, and shower gels as a gentle cleanser to help remove dirt and excess oil. In face cream, lotion, essence and sunscreen, it serves as a key emulsifier to ensure stable mixing of water and oil ingredients, prevent product stratification, and improve the application texture of the product.

Hair care products: In shampoo, conditioner, and styling products, it can help evenly distribute effective ingredients, enhance product texture, and assist in cleaning the scalp.

2. In the field of medicine:

In the pharmaceutical industry, PEG-40 stearate is an important pharmaceutical excipient.

Drug matrix: mainly used as a matrix for suppositories (such as metronidazole, progesterone, etc.) and drop pills, which helps to better disperse, disintegrate, and release drugs in the body.

Ointment excipient: As the base and emulsifier of the ointment, it can make the appearance of the ointment more delicate and white, and improve the bioavailability of the drug.

3. Industrial and other fields:

In addition to the aforementioned fields, it also plays a role in various industrial applications.

Textile industry: Used as a softener and antistatic agent for synthetic fibers, it can improve the hand feel and processing performance of fabrics.

Cleaning industry: With its emulsifying ability, it is used in industrial cleaning agents and household washing products.

Other industries: can also be used as thickeners for paper coatings, lubricants for cable conduits, and emulsifiers for paraffin wax, etc.

 Zecheng International