Hydroxyethyl Cellulose Cas Number: What You Need To Know In 2023

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If you’re in the chemical industry, you’ve probably heard of Hydroxyethyl Cellulose. It’s a popular ingredient in cosmetic and personal care products, as well as in paints and adhesives. But what is Hydroxyethyl Cellulose, and why is its CAS number important? In this article, we’ll explore the basics of Hydroxyethyl Cellulose and its CAS number.

What is Hydroxyethyl Cellulose?

Hydroxyethyl Cellulose, or HEC for short, is a thickening agent and emulsifier. It’s derived from cellulose, a natural polymer found in plants. HEC is water-soluble and creates a clear, gel-like substance when mixed with water. This makes it a popular ingredient in cosmetic and personal care products, as well as in paints, coatings, and adhesives.

What is a CAS Number?

A CAS number is a unique identifier assigned to a chemical substance by the Chemical Abstracts Service. The CAS number consists of up to 10 digits, divided into three parts. The first part is a two- or three-digit number that identifies the year the substance was first registered. The second part is a four-digit number that identifies the substance itself. The third part is a check digit that verifies the accuracy of the CAS number.

Why is the CAS Number Important?

The CAS number is important because it provides a standardized way to identify chemical substances. This is useful for regulatory agencies, manufacturers, and researchers who need to track the use and safety of chemicals. For example, if a new study finds that a certain chemical is harmful to humans, regulatory agencies can use the CAS number to identify all products that contain that chemical and take appropriate action.

HEC CAS Number

The CAS number for Hydroxyethyl Cellulose is 9004-62-0. This number is used to identify HEC in regulatory filings, safety data sheets, and other documents. It’s also used by manufacturers to track the use and safety of HEC in their products.

HEC Applications

As mentioned earlier, HEC is a popular ingredient in cosmetic and personal care products. It’s used to thicken lotions, shampoos, and other products, as well as to stabilize emulsions. HEC is also used in paints, coatings, and adhesives to improve their viscosity and flow characteristics.

HEC Properties

HEC is a white to off-white powder that is odorless and tasteless. It’s soluble in water and forms a clear, viscous solution. HEC has a low toxicity and is not considered hazardous under normal use conditions. It’s stable under a wide range of pH and temperature conditions, making it a versatile ingredient.

HEC Safety

HEC is considered safe for use in cosmetic and personal care products when used as directed. It has been extensively tested for its safety and efficacy, and is approved for use by regulatory agencies around the world. However, like all chemicals, HEC should be handled with care and stored in a cool, dry place.


In conclusion, Hydroxyethyl Cellulose is a versatile ingredient used in a wide range of applications. Its CAS number, 9004-62-0, provides a standardized way to identify and track the use and safety of HEC. If you’re in the chemical industry, it’s important to understand the basics of HEC and its CAS number. By doing so, you can ensure the safe and effective use of this popular ingredient.