Span 20

• CAS: 1338-39-2
• Catalog Number: ACM1338392
• Category: Non-ionic Surfactants
• Molecular Weight: 346.46
• Molecular Formula: C18H34O6
• Synonyms: Sorbitan monolaurate; Arlasel 20
• IUPAC Name: [2-[(2R,3S,4R)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate
• 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

Custom Q&A

What is the molecular formula of Span 20 according to the reference?

The molecular formula of Span 20 is C18H34O6.

What is the molecular weight of Span 20?

The molecular weight of Span 20 is 346.5 g/mol.

What are some synonyms for Span 20?

Some synonyms for Span 20 include Sorbitan monolaurate, Sorbitan, monododecanoate, and Anhydrosorbitol monolaurate.

When was Span 20 created and last modified?

Span 20 was created on 2006-10-26 and last modified on 2023-12-30.

What is the IUPAC name of Span 20?

The IUPAC name of Span 20 is [(2R)-2-[(2R,3R,4S)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] dodecanoate.

What is the Canonical SMILES of Span 20?

The Canonical SMILES of Span 20 is CCCCCCCCCCCC(=O)OCC(C1C(C(CO1)O)O)O.

What is the CAS number of Span 20?

The CAS number of Span 20 is 5959-89-7.

What is the XLogP3-AA value of Span 20?

The XLogP3-AA value of Span 20 is 3.7.

How many hydrogen bond donor counts does Span 20 have?

Span 20 has 3 hydrogen bond donor counts.

What is the topological polar surface area of Span 20?

The topological polar surface area of Span 20 is 96.2 Å2.