Aluminium monostearate

Aluminium monostearate
IUPAC name Dihydroxy(stearoyloxy)aluminium
Other names Aluminum monostearate; Dibasic aluminum stearate; Dihydroxyaluminum stearate; Dihydroxy(octadecanoato-O-)aluminium; Dihydroxy(stearato)aluminium
Identifiers
CAS number	7047-84-9 Y
ChemSpider	11983 Y
DrugBank	DB01375
ChEBI	CHEBI:37867 Y
Jmol-3D images	Image 1
SMILES CCCCCCCCCCCCCCCCCC(O[Al](O)O)=O
InChI InChI=1S/3C18H36O2.Al/c3*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h3*2-17H2,1H3,(H,19,20);/q;;;+3/p-3 Y Key: CEGOLXSVJUTHNZ-UHFFFAOYSA-K Y InChI=1S/3C18H36O2.Al/c3*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;/h3*2-17H2,1H3,(H,19,20);/q;;;+3/p-3
Properties
Molecular formula	C18H37AlO4
Molar mass	344.47 g mol−1
Y (verify) (what is: Y/N?) Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa)
Infobox references

Aluminium monostearate is an organic compound which is a salt of stearic acid and aluminium. It has the molecular formula Al(OH)₂C₁₈H₃₅O₂. It is also referred to as dihydroxy(octadecanoato-O-)aluminium or dihydroxy(stearato)aluminium.

It is used to form gels in the packaging of pharmaceuticals, and in the preparation of colors for cosmetics. It is usually safe in commercial products, but aluminium may accumulate in the body.