Span 60 CAS 1338-41-6

Product Name: Span 60
English Alias: Sorbitan monostearate; Sorbitan stearate
CAS Number: 1338-41-6
Molecular Formula: C₂₄H₄₆O₆
Molecular Weight: 430.62 g/mol
Appearance: Cream to tan waxy solid
Package: 25 kg/bag (paper-plastic composite bag)

What is Span 60？

Span 60 is a nonionic surfactant derived from sorbitol and stearic acid, appearing as a cream to tan waxy solid with a characteristic mild odor. It is insoluble in water but dispersible, and soluble in most organic solvents including ethanol and oils. As a sorbitan ester, it functions as an effective water-in-oil (W/O) emulsifier, stabilizer, and thickening agent in various industrial, food, and cosmetic applications.

COA (Certificate of Analysis):

Parameters	Unit	Standard Value
Fatty acid	w/%	71~75
Polyols	w/%	29.5~33.5
Acid value	mg KOH/g	≤10
Saponification value	mg KOH/g	147~157
Hydroxyl value	mg KOH/g	235~260
Moisture	w/%	≤1.5
Arsenic	mg/kg	≤3
Pb	mg/kg	≤2

Application:

Food Industry: Emulsifier in cakes, whipped toppings, and coffee whiteners

Cosmetics: W/O emulsifier in creams, lotions, and makeup products

Pharmaceuticals: Base material in ointments and topical preparations

Textiles: Softening agent and lubricant in fiber processing

Plastics: Anti-static agent and lubricant in polymer processing

Agriculture: Emulsifier in pesticide formulations

Safety Profile:

Span 60 is generally recognized as safe (GRAS) for food use and approved for cosmetic applications. May cause mild eye irritation. Avoid prolonged skin contact. Use appropriate personal protective equipment including gloves when handling hot material. For detailed safety information, consult the full Safety Data Sheet (SDS).

Storage Requirements:

Store in a cool, dry, well-ventilated area away from direct sunlight. Keep containers tightly closed and sealed. Maintain storage temperature below 30°C. Protect from moisture and avoid contact with strong oxidizing agents.

Transport & Packaging:

Span 60 is packaged in paper-plastic composite bags (25 kg net weight per bag). Transport as non-hazardous material under normal conditions. Ensure containers are properly sealed and protected from physical damage during transportation. Store away from incompatible materials.