Sorbitan monostearate

Names
IUPAC name

1,4-Anhydro-D-glucitol 6-octadecanoate

Systematic IUPAC name

(2R)-2-[(2R,3R,4S)-3,4-Dihydroxyoxolan-2-yl]-2-hydroxyethyl octadecanoate

Identifiers

CAS Number

* 1338-41-6 Y

3D model (JSmol)

* Interactive image

ChemSpider |

* 16736467 Y

PubChem CID

* 16218600

UNII |

* NVZ4I0H58X Y

InChI

* InChI=1S/C24H46O6/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-22(27)29-19-21(26)24-23(28)20(25)18-30-24/h20-21,23-26,28H,2-19H2,1H3/t20-,21+,23+,24+/m0/s1 Y

Key: HVUMOYIDDBPOLL-XWVZOOPGSA-N Y

* InChI=1/C24H46O6/c1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-22(27)29-19-21(26)24-23(28)20(25)18-30-24/h20-21,23-26,28H,2-19H2,1H3/t20-,21+,23+,24+/m0/s1

Key: HVUMOYIDDBPOLL-XWVZOOPGBK

SMILES

* O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1O

Properties

Chemical formula

| C24H46O6
Molar mass | 430.62 g/mol
Appearance  | Waxy powder

Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

N verify (what is YN ?)
Infobox references

Tracking categories (test):

* SizeSet

Sorbitan monostearate is an ester of sorbitan (a sorbitol derivative) and stearic acid and is sometimes referred to as a synthetic wax.[1]

## Uses

Sorbitan monostearate is used in the manufacture of food and healthcare products as a non-ionic surfactant with emulsifying, dispersing, and wetting properties.[citation needed] It is also employed to create synthetic fibers, metal machining fluid, and as a brightener in the leather industry. Sorbitans are also known as "Spans".

Sorbitan monostearate has been approved by the European Union for use as a food additive (emulsifier) (E number: E 491).[2] It is also approved for use by the British Pharmacopoeia.[3]

## See also

* Polysorbate
* Sorbitan tristearate (Span 65)

## References

1. ↑ Ingredients – Sorbitan Monostearate at sci-toys.com
2. ↑ Current EU approved additives and their E Numbers, Food Standards Agency, 26 November 2010
3. ↑ The British Pharmacopoeia Secretariat (2009). "Index, BP 2009". http://www.pharmacopoeia.co.uk/pdf/2009_index.pdf.

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*[CID]: Compound ID