Glycerol monostearate

Not to be confused with glycol monostearate.
Glycerol monostearate
Structural formula of glycerol monostearate
Space-filling model of the glycerol monostearate molecule
Names
IUPAC name
2,3-Dihydroxypropyl octadecanoate
Other names
Glyceryl monostearate
Glycerin monostearate
Monostearin
Identifiers
123-94-4 YesY
3D model (Jmol) Interactive image
Abbreviations GMS
ChEMBL ChEMBL255696 YesY
ChemSpider 23095 YesY
ECHA InfoCard 100.004.242
KEGG D01947 YesY
PubChem 24699
Properties
C21H42O4
Molar mass 358.56 g·mol−1
Appearance White to yellowish solid
Density 0.97 g/cm3
Melting point 58 to 59 °C (136 to 138 °F; 331 to 332 K)
Boiling point 238 to 239 °C (460 to 462 °F; 511 to 512 K)
Insoluble
Hazards
Flash point 230 °C (446 °F) (open cup)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
N verify (what is YesYN ?)
Infobox references

Glycerol monostearate, commonly known as GMS, is an organic molecule used as an emulsifier.[1] GMS is a white, odorless, and sweet-tasting flaky powder that is hygroscopic. It is a glycerol ester of stearic acid. It occurs naturally in the body as a product of the breakdown of fats by pancreatic lipase, and is also found in fatty foods.

GMS is a food additive used as a thickening, emulsifying, anti-caking, and preservative agent; an emulsifying agent for oils, waxes, and solvents; a protective coating for hygroscopic powders; a solidifier and control release agent in pharmaceuticals; and a resin lubricant. It is also used in cosmetics and hair care products.[2]

GMS is largely used in baking preparations to add "body" to the food. It is responsible for giving ice cream and whipped cream its smooth texture. It is sometimes used as an anti-staling agent in bread.

Compendial status

References

  1. Jens Birk Lauridsen (1976). "Food emulsifiers: Surface activity, edibility, manufacture, composition, and application". Journal of the American Oil Chemists' Society. 53 (6): 400–407. doi:10.1007/BF02605731.
  2. Glycerol monostearate Cheminfo
  3. The British Pharmacopoeia Secretariat (2009). "Index, BP 2009" (PDF). Archived from the original (PDF) on 11 April 2009. Retrieved 18 March 2010.
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