Sorbitan oleate Span CAS 1338-43-8
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Sorbitan oleate Span 80 
CAS 1338-43-8
1. General
Appearance: Amber viscous grease
Chemical Name: Span 80
Synonyms: Sorbitan oleate; Sorbitan (Z)-mono-9-octadecenoate.
Molecular Formula: C24H44O6
Molecular Weight: 428.61
CAS No.: 1338-43-8
2. Specification
Parameter | Unit | Specification | Test Method |
Hydroxyl value | mgKOH/g | 190~220 | GB/T 7384 |
Saponification number | mgKOH/g | 140~160 | HG/T 3505 |
Acid value | mgKOH/g | ≤8.0 | GB/T 6365 |
Water content | % m/m | ≤1.5 | GB/T 7380 |
