Span-40, Sorbitan Monopalmitate, Emulsifier S40
Properties:
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.
CAS No.:
26266-57-9
Molecular Formula:
C22H42O6
Molecular Weight:
402.57
Structure Formula:
Specifications:
| Item | Index |
|---|---|
| Appearance | Yellowish-brown wax |
| Acid value | 8mgKOH/g Max. |
| Saponification value | 140-150mgKOH/g |
| Hydroxyl value | 255-290mgKOH/g |
| Water | 2.0% Max. |
| Melting point | 45±3°C |
Uses:
Span-40 is used as a dispersant for printing inks and oils, a stabilizer for emulsifying, and an emulsifier for oil fields.
Synonyms:
Emulsifier S40, Sorbitan Monopalmitate.
Note:
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