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Span-85
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Catalog No. T9527Cas No. 26266-58-0
Alias Sorbitan trioleate
Span-85 (Sorbitan trioleate) is a synthetic non-ionic emulsifier, which is prepared by partial esterification of sorbitol or sorbitan with food grade palmitic acid. It has low viscosity and the smallest HLB value, so it has the strongest lipophilicity. It is an excellent water-in-oil (w/O) emulsifier and an O/w type auxiliary emulsifier.
Span-85
😃Good
Catalog No. T9527Alias Sorbitan trioleateCas No. 26266-58-0
Span-85 (Sorbitan trioleate) is a synthetic non-ionic emulsifier, which is prepared by partial esterification of sorbitol or sorbitan with food grade palmitic acid. It has low viscosity and the smallest HLB value, so it has the strongest lipophilicity. It is an excellent water-in-oil (w/O) emulsifier and an O/w type auxiliary emulsifier.
| Pack Size | Price | Availability | Quantity |
|---|---|---|---|
| 250 g | $29 | Backorder | |
| 1 mL x 10 mM (in DMSO) | $45 | In Stock |
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Product Introduction
Bioactivity
Chemical Properties
| Description | Span-85 (Sorbitan trioleate) is a synthetic non-ionic emulsifier, which is prepared by partial esterification of sorbitol or sorbitan with food grade palmitic acid. It has low viscosity and the smallest HLB value, so it has the strongest lipophilicity. It is an excellent water-in-oil (w/O) emulsifier and an O/w type auxiliary emulsifier. |
| Alias | Sorbitan trioleate |
| Molecular Weight | 957.49 |
| Formula | C60H108O8 |
| Cas No. | 26266-58-0 |
| Smiles | CCCCCCCCC=CCCCCCCCC(=O)OCC(OC(=O)CCCCCCCC=CCCCCCCCC)C1OCC(O)C1OC(=O)CCCCCCCC=CCCCCCCCC |
| Relative Density. | 0.947 g/cm³. Temperature:20 °C. |
Storage & Solubility Information
| Storage | Powder: -20°C for 3 years | In solvent: -80°C for 1 year | Shipping with blue ice. | ||||||||||||||||||||||||||||||
| Solubility Information | DMSO: 50 mg/mL (52.22 mM)  | ||||||||||||||||||||||||||||||
Solution Preparation Table | |||||||||||||||||||||||||||||||
DMSO
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In Vivo Formulation Calculator (Clear solution)
Please enter your animal experiment information in the following box and click Calculate to obtain the mother liquor preparation method and in vivo formula preparation method:
For example, your dosage is 10 mg/kg Each animal weighs 20 g, and the dosage volume is 100 μL . A total of 10 animals were administered, and the formula you used is 5% 
DMSO+30% PEG300+5% Tween 80+60% ddH2O. So your working solution concentration is 2 mg/mL。Mother liquor preparation method: 2 mg of drug dissolved in 50 μL DMSO (mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.
(mother liquor concentration of 40 mg/mL), if you need to configure a concentration that exceeds the solubility of the product, please contact us first.Preparation method for in vivo formula: Take 50 μL DMSO main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarify
main solution, add 300 μLPEG300 mix well and clarify, then add 50 more μL Tween 80, mix well and clarify, then add 600 more μLddH2O mix well and clarifyFor Reference Only. Please develop an appropriate dissolution method based on your laboratory animals and route of administration.
Dose Conversion
You can also refer to dose conversion for different animals. More Dose Conversion
Tech Support
Please see Inhibitor Handling Instructions for more frequently ask questions. Topics include: how to prepare stock solutions, how to store products, and cautions on cell-based assays & animal experiments, etc
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