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Fax: +86-532-85028486
Email: inquiry@irosurfactant.com
contact@irosurfactant.com
Website: www.irosurfactant.com
Addr: 2802, 1st Building, No.19 Zhangzhou 2nd Rd, Qingdao, 266100, China
Span 40
CAS No.:26266-57-9
Molecular Formula: C22H42O6 Molecular Weight: 402.57
Structural Formula:
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.
Specification:
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℃ |
Use:
Span 40 is used as dispersant of printing inks and oils, stabilizer for emulsifying and emulsifier for oil field.
Keywords:
Span 40, emulsifier S40, sorbitan monopalmitate