Chemistry:Aluminium monostearate

Aluminium monostearate

Names
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
3D model (JSmol)	Interactive image
ChEBI	CHEBI:31197 Y
ChEMBL	ChEMBL3185220
ChemSpider	11983 Y
DrugBank	DB01375 Y
EC Number	230-325-5
KEGG	D01867
PubChem CID	16682987
UNII	P9BC99461E
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 Key: CEGOLXSVJUTHNZ-UHFFFAOYSA-K
SMILES CCCCCCCCCCCCCCCCCC(O[Al](O)O)=O
Properties
Chemical formula	C18H37AlO4
Molar mass	344.472 g·mol−1
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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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.

Uses

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.