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Emulsifiers

PEG-3 Dipalmitate

Also known as Hexadecanoic acid, 1,2-ethanediylbis(oxy-2,1-ethanediyl) ester, Peg dipalmitate, Aec peg-3 dipalmitate

CAS 68818-45-1Formula C38H74O6Molar mass 627.00 g/molEC 272-396-5
GHS signal word: Warning. Pictograms: Harmful or irritant 1 supplier listed
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PEG-3 Dipalmitate chemical structure, C38H74O6, CAS 68818-45-1
2D chemical structure

Key facts

What buyers check first

All properties
CAS number
68818-45-1
Formula
C38H74O6
Molar mass
627.00 g/mol
EC number
272-396-5
HS code
291570
Category
Emulsifiers

What is PEG-3 Dipalmitate?

Plain description, key identifiers and synonyms

PEG-3 Dipalmitate is a chemical substance with the molecular formula C38H74O6 and a molar mass of 627.00 g/mol. Its CAS registry number is 68818-45-1. The IUPAC name is 2-[2-(2-hexadecanoyloxyethoxy)ethoxy]ethyl hexadecanoate.

Identifiers

Registry numbers, names and line notations, tap to copy

IUPAC name
2-[2-(2-hexadecanoyloxyethoxy)ethoxy]ethyl hexadecanoate
CAS number
68818-45-1Other or deprecated CAS: 32628-06-1
EC numbers
272-396-5, 608-762-1
Molecular formula
C38H74O6
UNII
J5S0T2DVM5
INCI name
PEG-3 DIPALMITATE
InChIKey
CXBCIWUDBGGBGD-UHFFFAOYSA-N
InChI
InChI=1S/C38H74O6/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-37(39)43-35-33-41-31-32-42-34-36-44-38(40)30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-36H2,1-2H3
SMILES (canonical and isomeric)
CCCCCCCCCCCCCCCC(=O)OCCOCCOCCOC(=O)CCCCCCCCCCCCCCC

Synonyms

  • Hexadecanoic acid, 1,2-ethanediylbis(oxy-2,1-ethanediyl) ester
  • Peg dipalmitate
  • Aec peg-3 dipalmitate
  • Triethylene glycol dipalmitate
  • Ethane-1,2-diylbis(oxyethane-1,2-diyl) bispalmitate
  • [(Ethane-1,2-diyl)bis(oxy)ethane-2,1-diyl] dihexadecanoate

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
627.00 g/molcalc.
Exact mass
626.5485 Dacalc.
LogP (octanol/water)
11.07calc.
Topological polar surface area
71.06 Ųcalc.
Hydrogen bond donors
0calc.
Hydrogen bond acceptors
6calc.
Rotatable bonds
37calc.
Heavy atoms
44calc.
Rings
0calc.
Aromatic rings
0calc.
Fraction sp3 carbons
0.95calc.
Formal charge
0calc.
Stereocentres
0calc.
Lipinski rule of five
Fails (2 violations)calc.

Calculated for screening. Confirm critical figures with the supplier.

Safety and hazards

GHS classification summary, not a safety data sheet

GHS signal word
Warning
GHS07: Harmful or irritant
Harmful or irritant

Hazard statements

  • H319Causes serious eye irritation.
Precautionary statements (4)
  • P264 + P265Wash skin thoroughly after handling. Do not touch eyes.
  • P280Wear protective gloves, protective clothing, eye protection and face protection.
  • P305 + P351 + P338If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
  • P337 + P317If eye irritation persists: Get medical help.

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

Full safety data and first aid

PEG-3 Dipalmitate suppliers

Sponsored listings first, then the documented ranking: membership, verification, replies, completeness, freshness and ratings

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  • Lonza Inc.
    United States, Morristown ManufacturerUnclaimed profile
    PEG-3 DipalmitateGrade, purity and minimum order on request
    Price on request
    View

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Where suppliers are based

1 supplier in 1 country

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PEG-3 Dipalmitate price

Indicative price range per kg from live supplier offers

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Uses and applications

What the substance is used for, by industry and function

Use classes: Cosmetics.

Cosmetic ingredient, INCI name PEG-3 DIPALMITATE(surfactant - emulsifying)

Functional uses

  • Emulsifier

Cosmetic functions

  • Surfactant - emulsifying

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 PEG-3 Dipalmitate is traded under.

HS 2915.70Indicative HS code

Palmitic acid, stearic acid, their salts and esters

World exports in 2024
$1.25B
+23.7% vs 2023, imports $1.13B
2019 to 2024
Top exporters
  1. Indonesia32.2%
  2. Malaysia23.0%
  3. Singapore6.5%
Top importers
  1. United States10.7%
  2. Germany6.2%
  3. China5.9%
Reported customs values in USD, not prices.Full trade data

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

Frequently asked questions

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

What is PEG-3 Dipalmitate?

PEG-3 Dipalmitate is a chemical substance with the molecular formula C38H74O6 and a molar mass of 627.00 g/mol. Its CAS registry number is 68818-45-1. The IUPAC name is 2-[2-(2-hexadecanoyloxyethoxy)ethoxy]ethyl hexadecanoate.

What is the CAS number of PEG-3 Dipalmitate?

The CAS registry number of PEG-3 Dipalmitate is 68818-45-1. Other or deprecated CAS numbers: 32628-06-1.

What is the molecular formula and weight of PEG-3 Dipalmitate?

The molecular formula of PEG-3 Dipalmitate is C38H74O6 and its molar mass is 627.00 g/mol.

What is PEG-3 Dipalmitate used for?

Use classes: Cosmetics.

Is PEG-3 Dipalmitate hazardous?

PEG-3 Dipalmitate carries the GHS signal word "Warning". Main hazards: causes serious eye irritation. This summary is not an SDS, always read the supplier safety data sheet.

What is the HS code of PEG-3 Dipalmitate?

PEG-3 Dipalmitate is usually classified under HS code 291570 (Palmitic acid, stearic acid, their salts and esters). This is indicative, confirm it with your customs broker before shipping.

Where can I buy PEG-3 Dipalmitate?

CompoundList lists 1 supplier of PEG-3 Dipalmitate in 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 PEG-3 Dipalmitate?

Suppliers quote PEG-3 Dipalmitate 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 PEG-3 Dipalmitate

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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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