Does Glycereth-26 mean each glycerol molecule carries exactly twenty-six ethylene-oxide units?

No. Glycereth-26 is a glycerol-ethoxylate distribution described by a nominal average EO level. CAS 31694-55-0 is a family identifier rather than a fixed molecular formula. Confirm hydroxyl value, water, color, molecular-weight range, and performance in the intended system.

What should be compared when qualifying a replacement Glycereth-26 grade?

Confirm the offered material is Glycereth-26 rather than another glycereth grade, then compare hydroxyl value, water, color, viscosity at the same temperature, appearance and active content. Run the intended humectancy, solubilization and texture tests in the complete formulation before approval.

Glycereth-26 CAS 31694-55-0

Glycereth-26, commonly described as PEG-26 glyceryl ether or ethoxylated glycerin, is associated with CAS No. 31694-55-0 and EC No. 500-075-4. It is an ethoxylated-glycerin distribution rather than one pure molecular formula. The INCI name and the regulatory substance identity do not replace the offered grade specification. Buyers should confirm nominal composition, hydroxyl value, water, color, viscosity and formulation performance through the current COA, TDS and SDS.

CAS: 31694-55-0
Synonyms: Glycereth-26, PEG-26 Glyceryl Ether, Ethoxylated Glycerin, Polyoxyethylene Glyceryl Ether, Glycerol Ethoxylate
Einecs: 500-075-4
Molecular Formula: Ethoxylated glycerin distribution; nominal EO and average mass are grade-specific
Grade: Specify the required INCI or reference grade, nominal composition, hydroxyl value, water, color, viscosity method, physical form, impurity limits and intended-use documents; compare the current TDS and batch COA.
Package: State required quantity, physical form and destination; confirm the current bag or container, liner, net weight, temperature handling and transport requirements before quotation.

Request a quote

Share:

Product Description

1 Identity and physicochemical profile

2 Applications and grade selection

3 Storage and handling

4 Safety, documentation and procurement

Identity and physicochemical profile

Item	Technical guidance
Product identity	Glycereth-26; ethoxylated glycerin
CAS / EC	31694-55-0 / 500-075-4
Composition	Polyether distribution built from glycerin and ethylene oxide; no single exact molecular formula
Typical function	Hydrophilic humectant, sensory modifier and formulation aid
Key quality controls	Hydroxyl value, water, color, pH or acidity, viscosity, physical form and supplier-defined composition
Grade boundary	Cosmetic or regulated-use suitability depends on the exact grade’s impurity controls and supporting documents

Applications and grade selection

Glycereth-26 is evaluated in aqueous and emulsion systems where humectancy, slip, reduced tack or sensory modification is desired. It may also influence polymer hydration, surfactant behavior and viscosity, so its effect should be measured in the complete serum, gel, lotion, cleanser or other formulation.

Compare hydroxyl value, water, viscosity and color using consistent methods before sensory and stability testing.
Evaluate tack, spread, clarity, polymer compatibility, viscosity and preservation in the finished formula.
Do not infer cosmetic compliance or a 99% purity claim from the CAS number alone.

Storage and handling

Store tightly closed in a clean, dry area within the supplier’s recommended temperature range. Protect from contamination and excessive heat; if viscosity changes at low temperature, follow the exact TDS for conditioning and sampling.

Safety, documentation and procurement

Use the current SDS and good industrial hygiene. For quotation, provide the application, reference grade or COA, hydroxyl or viscosity limits, cosmetic-document requirements, sample and annual quantity, package and destination.

For adjacent humectant and polyether pages, compare Vegetable Glycerin and Polyethylene Glycol 300.

FAQ - Technical & Supply Chain

Q:
Does Glycereth-26 mean each glycerol molecule carries exactly twenty-six ethylene-oxide units?

A: No. Glycereth-26 is a glycerol-ethoxylate distribution described by a nominal average EO level. CAS 31694-55-0 is a family identifier rather than a fixed molecular formula. Confirm hydroxyl value, water, color, molecular-weight range, and performance in the intended system.
Q:
What should be compared when qualifying a replacement Glycereth-26 grade?

A: Confirm the offered material is Glycereth-26 rather than another glycereth grade, then compare hydroxyl value, water, color, viscosity at the same temperature, appearance and active content. Run the intended humectancy, solubilization and texture tests in the complete formulation before approval.

Ordering & Documentation

Key information for document requests, quotations, and supply planning.

Documents

COA, TDS, SDS/MSDS and packing details are available on request.

Quotation

Send the CAS number, grade, quantity, packing preference and destination.

Sample & Supply

Support is available for samples, trial orders, bulk and repeat supply.

Storage & Shipping

Product-specific conditions are confirmed before order.

Current Language

Change Language