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Humectants

Glycereth-3

Also known as Blaunon gl-3, Peg-3 glyceryl ether, Ethanol, 2,2',2''-(1,2,3-propanetriyltris(oxy))tris-

CAS 21156-05-8Formula C9H20O6Molar mass 224.25 g/molEC 244-250-0
7 suppliers listed
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Glycereth-3 chemical structure, C9H20O6, CAS 21156-05-8
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
21156-05-8
Formula
C9H20O6
Molar mass
224.25 g/mol
EC number
244-250-0
HS code
290949
Category
Humectants

What is Glycereth-3?

Plain description, key identifiers and synonyms

Glycereth-3 is a chemical substance with the molecular formula C9H20O6 and a molar mass of 224.25 g/mol. Its CAS registry number is 21156-05-8. The IUPAC name is 2-[2,3-bis(2-hydroxyethoxy)propoxy]ethanol.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[2,3-bis(2-hydroxyethoxy)propoxy]ethanol
CAS number
21156-05-8 CAS number cross-checkedOther or deprecated CAS: 31694-55-0
EC number
244-250-0
Molecular formula
C9H20O6
UNII
MHY4NJW64H
INCI name
GLYCERETH-12, GLYCERETH-20, GLYCERETH-26, GLYCERETH-3
InChIKey
UCYLROVJSUACAD-UHFFFAOYSA-N
InChI
InChI=1S/C9H20O6/c10-1-4-13-7-9(15-6-3-12)8-14-5-2-11/h9-12H,1-8H2
SMILES (canonical and isomeric)
C(COCC(COCCO)OCCO)O

Synonyms

  • Blaunon gl-3
  • Peg-3 glyceryl ether
  • Ethanol, 2,2',2''-(1,2,3-propanetriyltris(oxy))tris-
  • 2,2',2''-Propane-1,2,3-triyltrioxytriethanol
  • 2-[2,3-bis(2-hydroxyethoxy)propoxy]ethanol
  • Ethoxylated glycerol
  • PEG-7 Glyceryl ether
  • PEG-20 Glyceryl ether
  • PEG-26 Glyceryl ether
  • Polyoxyethylene (7) glyceryl ether
  • Polyethylene glycol (26) glyceryl ether
  • 2,2',2''-[Propane-1,2,3-triyltris(oxy)]tri(ethan-1-ol)

Physical and chemical properties

Measured values and descriptors computed from the structure

Physical and chemical properties

Measured values, check the supplier specification for your grade

No measured properties are recorded for this substance yet. Ask suppliers for a technical data sheet.

Values vary by grade. Ask suppliers for the COA or TDS of the batch you buy.

Computed descriptors

Calculated from the structure, useful for screening and formulation

Molecular weight
224.25 g/molcalc.
Exact mass
224.126 Dacalc.
LogP (octanol/water)
-1.62calc.
Topological polar surface area
88.38 Ųcalc.
Hydrogen bond donors
3calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
11calc.
Heavy atoms
15calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
1calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Passes (0 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

No GHS hazard classification is recorded for this substance yet. That does not mean it is harmless.

GHS classification summary, not a safety data sheet (SDS). Classifications can differ by supplier, grade and concentration. Always check the supplier's SDS.

Glycereth-3 suppliers

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All 7 suppliers
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Suppliers marked Unclaimed profile have not claimed their profile yet. They are not verified by CompoundList, their offers are price on request and details may have changed, so please confirm them with the supplier. Company representatives can claim a profile with a business email on the company's own website domain. Our team verifies each claim and sends the result by email.

Where suppliers are based

7 suppliers in 4 countries

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Glycereth-3 price

Indicative price range per kg from live supplier offers

No published prices right now

Suppliers quote this chemical on request. Send one free request and compare quotes side by side.

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name GLYCERETH-12(humectant, viscosity controlling)

Functional uses

  • Fragrance
  • Humectant
  • Plasticizer
  • Softener and conditioner
  • Solvent
  • Surfactant (surface active agent)
  • Viscosity modifier

Cosmetic functions

  • Humectant
  • Skin conditioning
  • Skin conditioning - emollient
  • Surfactant - cleansing
  • Viscosity controlling

Regulatory status

Inventories, regulations and trade controls that list this substance

Health and food

  • EU cosmetic ingredient inventory

United States

  • TSCA inventory (USA)
    Status: Active in US commerce, Regulatory flags: Exempt from Chemical Data Reporting

HS code and trade data

Customs classification and reported world trade statistics

Global trade

World import and export statistics for the HS code Glycereth-3 is traded under.

HS 2909.49Indicative HS code

Ether-alcohols and their halogenated not elsewhere classified in subheading 2909.4

World exports in 2024
$1.74B
+6.8% vs 2023, imports $1.86B
2019 to 2024
Top exporters
  1. Germany20.6%
  2. China13.9%
  3. Netherlands12.2%
Top importers
  1. China8.8%
  2. Germany8.3%
  3. United States7.5%
Reported customs values in USD, not prices.Full trade data

The HS code shown for Glycereth-3 is indicative (it was assigned by structure rules). Confirm the classification with your customs broker before shipping.

Frequently asked questions

Quick answers about Glycereth-3, based on the data on this page

What is Glycereth-3?

Glycereth-3 is a chemical substance with the molecular formula C9H20O6 and a molar mass of 224.25 g/mol. Its CAS registry number is 21156-05-8. The IUPAC name is 2-[2,3-bis(2-hydroxyethoxy)propoxy]ethanol.

What is the CAS number of Glycereth-3?

The CAS registry number of Glycereth-3 is 21156-05-8. Other or deprecated CAS numbers: 31694-55-0.

What is the molecular formula and weight of Glycereth-3?

The molecular formula of Glycereth-3 is C9H20O6 and its molar mass is 224.25 g/mol.

What is Glycereth-3 used for?

Use classes: Cosmetics.

Is Glycereth-3 hazardous?

No GHS hazard classification for Glycereth-3 is recorded on CompoundList yet. That does not prove it is safe. Always read the supplier safety data sheet.

What is the HS code of Glycereth-3?

Glycereth-3 is usually classified under HS code 290949 (Ether-alcohols and their halogenated, sulphonated, nitrated or nitrosated derivatives…). This is indicative, confirm it with your customs broker before shipping.

Where can I buy Glycereth-3?

CompoundList lists 7 suppliers of Glycereth-3 in China, Belgium, Italy and United States. Send one free request to get and compare quotes. Your contact details stay private until you accept a quote.

What is the price of Glycereth-3?

Suppliers quote Glycereth-3 on request because prices depend on grade, purity, quantity and destination. A free request on CompoundList gets you several quotes to compare.

Guides for buyers

Practical guides that help when you source, ship or handle Glycereth-3

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Data last updated 7 Oct 2026. Details may have changed, please confirm them with the supplier. Report an error on this page
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