Span 60

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Span(rg 60
Lonzest(R) SMS
SPAN(R) 60
(Sorbitan Monostearate)
Sorbitan stearate Sorbitane monostearate
FEMA 3028
Barchlor 16S
Sorbitan Monostearate
Molecular Formula: C24H46O6
Molecular Weight: 430.61800

Appearance and properties: cream color flake
Density: 1.00
Boiling point: 579ºC at 760 mmHg
Melting point: 54-57 °C(lit.)
Flash point: >230 °F
Refractive index: 1.496
Stability: Stable. Combustible. Incompatible with strong oxidizing agents.
Storage conditions: Store in a dry, cool and well-ventilated place, away from direct sunlight. Keep containers closed when not in use.

Sorbitan monostearate is an ester of sorbitan (a sorbitol derivative) and stearic acid and is sometimes referred to as a synthetic wax. It is primarily used as an emulsifier to keep water and oils mixed. Sorbitan monostearate is used in the manufacture of food and healthcare products and is a non-ionic surfactant with emulsifying, dispersing, and wetting properties. It is also employed to create synthetic fibers, metal machining fluid, and brighteners in the leather industry, and as an emulsifier in coatings, pesticides, and various applications in the plastics, food and cosmetics industries. Sorbitans are also known as "Spans".
Sorbitan monostearate has been approved by the European Union for use as a food additive (emulsifier) (E number: E 491)

Items of Analysis Standard of Analysis Test Results
Appearance Light yellow to off-white flake Conform
Acid value (KOH mg/g) ≤8.0 3.4
SAP value (KOH mg/g) 144-155 149
Hydroxyl value (KOH mg/g) 240-260 248
Moisture ≤1.5% 0.8%
Melting point 52 – 57°C 53.1-56.1°C
HLB value 4.7 Conform
CONCLUSION Conforms to Factory Standard

Span 60

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