Span 20

• Catalog Number: ACM1338392
• Product Name: Span 20
• CAS: 1338-39-2
• Category: Non-ionic Surfactants
• Synonyms: Sorbitan monolaurate; Arlasel 20
• IUPAC Name: [2-[(2R,3S,4R)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate
• Molecular Weight: 346.46
• Molecular Formula: C18H34O6
• InChI: InChI=1S/C18H34O6/c1-2-3-4-5-6-7-8-9-10-11-16(21)23-13-15(20)18-17(22)14(19)12-24-18/h14-15,17-20,22H,2-13H2,1H3/t14-,15?,17+,18-/m1/s1
• InChI Key: LWZFANDGMFTDAV-IOVMHBDKSA-N
• Flash Point: 113 °C
• Density: 1.032 g/mL at 25 °C (lit.)
• Solubility: Soluble in organic solvents
• Appearance: Amber oil
• Assay: 0.9999
• Complexity: 336
• EC Number: 215-663-3
• Exact Mass: 346.23553880
• Formal Charge: 0
• Heavy Atom Count: 24
• Hydrogen Bond Acceptor Count: 6
• Hydrogen Bond Donor Count: 3
• Isomeric SMILES: CCCCCCCCCCCC(=O)OCC([C@@H]1[C@H]([C@@H](CO1)O)O)O
• Monoisotopic Mass: 346.23553880
• Packaging: 1 kg
• Refractive Index: n20/D 1.474(lit.)
• Rotatable Bond Count: 14
• Stability: Stable.
• Storage Conditions: Keep tightly closed in a cool place in a tightly closed container.
• Topological Polar Surface Area: 96.2 Ų
• XLogP3-AA: 3.7