Polyoxyethylene stearate

Description

Polyoxyethylene stearate · CAS 9004-99-3 · C20H40O3. UNII 0324G66D0E. Melting Point: 60.00 to 61.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	9004-99-3
PubChem CID	24762
Molecular formula	C20H40O3
IUPAC name	2-hydroxyethyl octadecanoate
UNII (FDA)	0324G66D0E

Computed Descriptors

Molecular Weight	328.5
XLogP3	7.8
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	3
Rotatable Bond Count	19
Exact Mass	328.29774513
Monoisotopic Mass	328.29774513
Topological Polar Surface Area	46.5
Heavy Atom Count	23
Formal Charge	0

Physical & Chemical Properties

Melting Point	60.00 to 61.00 °C. @ 760.00 mm Hg

Physical description & handling notes

• Dry Powder; Other Solid; Large Crystals; Liquid; Liquid
• Light tan solid; [Hawley]
• CREAM-COLORED SOFT, WAXY OR PASTY SOLID @ 25 °C
• FAINT FATTY ODOR
• SLIGHTLY BITTER, FATTY TASTE
• MP: 30-34 °C /POLYETHYLENE GLYCOL 400 MONOSTEARATE USP XVI/

Regulatory Status

Regulatory & Food Contact	CIR / INCI: Cosmetic ingredients (Glycol Stearate) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Cosmetic ingredients (Glycol Stearate SE) -> CIR (Cosmetic Ingredient Review) CIR / INCI: Surfactant; Opacifying; Emollient; Emulsifying; Humectant
GHS notification summary	75.2% (357 / 475)

GHS Hazard Classification

GHS notification summary	75.2% (357 / 475)
Reported hazard statements	H315 (18.9%), H319 (19.2%), H335 (17.3%)

Documented Uses

• CIR ingredient: Glycol Stearate
• CIR ingredient: Glycol Stearate SE
• Used as a surfactant, emulsifier (cosmetics, pharmaceuticals, textile finishes, defoamers, and baked goods), dye assistant, lubricant, and antistatic agent; Also used in dentifrice compositions and to make creams, lotions, ointments, and pharmaceutical preparations; [HSDB]
• Textiles (Printing, Dyeing, or Finishing) [Category: Industry]
• PEG 400 MONOSTEARATE USP XVI: IN PREPN OF CREAMS, LOTIONS, OINTMENTS & PHARMACEUTICAL PREPN WHICH ARE SOL IN WATER
• EMULSIFIER IN COSMETICS, PHARMACEUTICALS, TEXTILE FINISHES, DEFOAMERS; DYE ASSISTANT; LUBRICANT; ANTISTATIC AGENT

Synonyms

Ethylene glycol monostearate; Glycol stearate; 111-60-4; 2-Hydroxyethyl octadecanoate; Monthybase; Monthyle; Parastarin; Ivorit; Sedetol; Glycol monostearate; Prodhybase ethyl; Prodhybas N; Clindrol SEG; Emerest 2350; Ethylene glycol stearate; Lipo EGMS

Frequently Asked Questions

What are the CAS number and molecular formula of Polyoxyethylene stearate?

CAS 9004-99-3; molecular formula C20H40O3; molecular weight — g/mol.

What other names is Polyoxyethylene stearate known by?

Ethylene glycol monostearate, Glycol stearate, 111-60-4, 2-Hydroxyethyl octadecanoate, Monthybase, Monthyle.

What is the regulatory status of Polyoxyethylene stearate?

Documented regulatory listings: CIR / INCI: Cosmetic ingredients (Glycol Stearate) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Cosmetic ingredients (Glycol Stearate SE) -> CIR (Cosmetic Ingredient Review); CIR / INCI: Surfactant; Opacifying; Emollient; Emulsifying; Humectant.

Is Polyoxyethylene stearate classified as hazardous?

75.2% of GHS notifications report no hazard classification (357 of 475).

What are the key physical properties of Polyoxyethylene stearate?

Melting Point: 60.00 to 61.00 °C. @ 760.00 mm Hg.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.