CAS No.: 26266-57-9

Molecular Formula: 26266-57-9 Molecular Weight: 402.57

Property:

Span 40 is yellowish brown wax. It is slightly soluble in isopropanol, xylene and liquid paraffin, insoluble in water, and non-toxic. Odorless. HLB 6.7.


Specifications:

Item

Index

Appearance
Yellowish brown wax

Acid value
≤8mgKOH/g

Saponification value
140-150mgKOH/g

Hydroxyl value
255-290mgKOH/g

Water
≤2.0%

Melting point
45±3℃

Usage:

Span 40 is used as dispersant of printing inks and oils, stabilizer for emulsifying and emulsifier for oil field.