The Span 60 is an organic compound with the formula C₂₄H₄₆O₆. The IUPAC name of this chemical is [2-[(2R,3S,4R)-3,4-dihydroxyoxolan-2-yl]-2-hydroxyethyl] octadecanoate. With the CAS registry number 1338-41-6, it is also named as 1,4-anhydro-6-O-octadecanoyl-D-glucitol. The product's categories are Ester Type (Surfactants); Functional Materials; Nonionic Surfactants; Surfactants; Alphabetical Listings; Flavors and Fragrances; Q-Z; Cosmetic Ingredients & Chemicals. Besides, it should be stored in a closed cool and dry place.This chemical is irritating to eyes, respiratory system and skin. When you are using it, avoid contact with skin and eyes.

Physical properties abou Span 60 are:
(1)ACD/LogP: 7.66; (2)# of Rule of 5 Violations: 1; (3)ACD/LogD (pH 5.5): 7.66; (4)ACD/LogD (pH 7.4): 7.66; (5)ACD/BCF (pH 5.5): 388562.47; (6)ACD/BCF (pH 7.4): 388561.19; (7)ACD/KOC (pH 5.5): 348745.5; (8)ACD/KOC (pH 7.4): 348744.34; (9)#H bond acceptors: 6; (10)#H bond donors: 3; (11)#Freely Rotating Bonds: 23; (12)Polar Surface Area: 96.22 Å²; (13)Index of Refraction: 1.496; (14)Molar Refractivity: 119.16 cm³; (15)Molar Volume: 407.4 cm³; (16)Polarizability: 47.24×10^-24cm³; (17)Surface Tension: 44.2 dyne/cm; (18)Density: 1.056 g/cm³; (19)Flash Point: 185.3 °C; (20)Enthalpy of Vaporization: 99.49 kJ/mol; (21)Boiling Point: 579 °C at 760 mmHg; (22)Vapour Pressure: 8.11E-16 mmHg at 25°C.

Preparation of Span 60:
Span 60 can be prepared by stearic acid and sorbitol. This reaction will need catalyst Sodium hydroxide.

Uses of Span 60:
It is primarily used as an emulsifier to keep water and oils mixed. Sorbitan monostearate is used in the manufacture of food and healthcare products, and is a non-ionic surfactant with emulsifying, dispersing, and wetting properties. It is also employed to create synthetic fibers, metal machining fluid, brighteners in the leather industry, as an emulsifier in coatings, in pesticides, and in various applications in the plastics, food and cosmetics industries.

You can still convert the following datas into molecular structure:
(1)SMILES: O[C@H](COC(=O)CCCCCCCCCCCCCCCCC)[C@H]1OC[C@H](O)[C@H]1O
(2)InChI: 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
(3)InChIKey: HVUMOYIDDBPOLL-XWVZOOPGBK
(4)Std. 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
(5)Std. InChIKey: HVUMOYIDDBPOLL-XWVZOOPGSA-N

The toxicity data of Span 60 is as follows: