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Span 65
Sorbitan Tristearate
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Sorbitan Tri Stearate (STS) / Emulsifier(s65)
Sorbitan tristearate, also known as STS, is synthesized by the esterification of sorbitan with stearic acid. It has a molecular formula of C60H112O8. At room temperature, it is in the form of a white to yellow granular solid. It has an HLB value of 2.1, which is fairly lipophilic. As a food additive, sorbitan tristearate can reduce the turbidity of vegetable oil containing high saturated fatty acids. It can also improve the fat crystal structure and stability in chocolate and margarine. In addition, it acts as an emulsifier in the cosmetic industry and as a lubricant in the textile industry.
Span 65 · Sorbitan Tristearate · Made In China
Specification
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S65-According to GB25551-2010,other parameters are available upon request.
Parameters | Unit | Standard value |
Fatty acid | w / % | 85~92 |
Sorbitol | w / % | 14~21 |
Acid value | mg KOH/g | 15 |
Saponification value | mg KOH/g | 176~188 |
Hydroxyl value | mg KOH/g | 66~80 |
Moisture | w / % | ≤ 1.5 |
Residue on ignition | w / % | ≤ 0.5 |
Pb | mg / kg | ≤2 |
Span 65 · Sorbitan Tristearate · Made In China
Advantages of Sorbitan Monostearate
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1) Wide range of applications; very useful as emulsifiers in food
formulation and has multiple functions as food additives
2) The sorbitan tristearate can disperse in mineral oil, and
vegetable oil
3) You can spot the existence of this sorbitan fatty acid ester in
the food, cosmetics, and textile industries.
Span 65 · Sorbitan Tristearate · Made In China
Instructions On Use And Storage
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Storage:sorbitan monopalmitate should also be stored in cool, dry places,
away from heat and light.
Transportation:Transport as non-dangerous goods.
Shelf Life:two years.
Packaging:25kg kraft paper laminated pp woven bags,withPE plastic liner.
(special packaging is available upon request).
Shipment:7-14 days after receiving payment.
Span 65 · Sorbitan Tristearate · Made In China
FAQ
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What is the difference between polysorbates and sorbitan esters?
Polysorbates are ethoxylated sorbitan esters that are made by
ethoxylation of sorbitol with different fatty acids. Polysorbates
are hydrophilic, whereas sorbitan esters are lipophilic.
What is a water-in-oil (WO) emulsifier?
In water-in-oil emulsion, the hydrophilic parts of emulsifiers
surround the water droplets and expose their lipophilic portions to
the oil phase. This allows water droplets to suspend in oil
environment.
What is sorbitan ester made of?
Sorbitan ester is composed of sorbitol-derived hexitol anhydrides
aka sorbitans and various fatty acids (lauric acid, palmitic acid,
stearic acid and oleic acid etc.).Fatty acids are attached to
sorbitans through esterification reactions.
What is sorbitol? What is the difference between sorbitol and
sorbitan?
Sorbitol is a sugar alcohol (crystalline hexahydric alcohol) that
can be sourced from plants, such as comes and potatoes.When
sorbitol undergoes a dehydration process,where one water molecule
is removed, it creates an anhydride called sorbitan.
What is HLB value?
HLB value is the abbreviation for hydrophilic-lipophilic balance,it
is the ratio between the hydrophilic portions and lipophilic
portion of a surfactant It is represented by a number between 1 and
20. An HLB value less than 6 indicates that the surfactant favors
W/O emulsion; an HLB value greater than 8 favors O/W emulsion. HLB
values in between 7 and 9 indicate that the surfactants are good
wetting agents.
What are the differences of the range of polysorbates?
The various polysorbates differs by the type of fatty acids and the
number of fatty acids attached to the polyoxyethylene sorbitan
portions of the molecules.Thus, each of the polysorbate has its own
hydrophilicity/hipophilicity property and characteristic.
Span 65 · Sorbitan Tristearate · Made In China
About Us
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Jiangsu Lihong Technology Development Co., Ltd. is a national high-tech enterprise integrating R&D, production, sales and technical services. The company is located in the Salt Chemical New Materials Industrial Park in Huai'an City, Jiangsu Province, covering an area of 150 acres. The total investment of the factory exceeds RMB 500 million. Currently, there are 14 production lines that lead the industry with independent innovation, with an annual production capacity of more than 100,000 tons.
The company is the key laboratory of green polyurethane materials in Huai'an City, a national high-tech enterprise, a specialized and innovative small and medium-sized enterprise in Jiangsu Province, a private technology-based enterprise in Jiangsu Province, and a member unit of the China Polyurethane Industry Association.
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Span 65 · Sorbitan Tristearate · Made In China