S3386

Sorbitan sesquioleate

nonionic surfactant

• Synonym(s): Arlacel^® 83, Span^® 83
• CAS Number: 8007-43-0
• EC Number: 232-360-1
• MDL number: MFCD00151568
• UNSPSC Code: 12352211
• PubChem Substance ID: 329824531
• NACRES: NA.25

Properties

• biological source: corn
• vapor pressure: 0.81 psi ( 20 °C)
• form: liquid
• refractive index: n20/D 1.478 (lit.)
• density: 0.989 g/mL at 25 °C (lit.)
• functional group: ester
• lipid type: oils
• shipped in: ambient
• storage temp.: room temp
• SMILES string: OC[C@@H](O)C1OC[C@H](O)[C@H]1O.OC[C@@H](O)C2OC[C@H](O)[C@H]2O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O
• InChI: 1S/3C18H34O2.2C6H12O5/c3*1-2-3-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18(19)20;2*7-1-3(8)6-5(10)4(9)2-11-6/h3*9-10H,2-8,11-17H2,1H3,(H,19,20);2*3-10H,1-2H2/b3*10-9-;;/t;;;2*3-,4+,5-,6-/m...11/s1
• InChI key: SPFRYHCSFBFNTR-RKGWDQTMSA-N

Description

General description

Sorbitan sesquioleate (SSO) is a sorbitol derivative emulsifier. It is a common emulsifier component in topical corticosteroids, topical antibiotics, topical antifungals, moisturizing creams and lotions and topical retinoids.

Biochem/physiol Actions

Sorbitan sesquioleate is useful as a stabilizing agent in polymerization process to produce spherical acrylamide beads. It has been used in many topical agents. SSO have recently been implicated in allergic dermatitis.

Other Notes

Fatty acid composition: Oleic acid (C18:1) approx. 70%; balance primarily palmitic acid (C16:0), stearic acid (C18:0) and linoleic acid (C18:2).

Legal Information

Arlacel is a registered trademark of Croda International PLC

Span is a registered trademark of Croda International PLC

Safety Information

• Storage Class: 10 - Combustible liquids
• wgk_germany: WGK 1
• flash_point_f: 235.4 °F - closed cup
• flash_point_c: 113 °C - closed cup
• ppe: Eyeshields, Gloves, multi-purpose combination respirator cartridge (US)