

Product: Span
Description: CAS: 1338-39-2; Span 20; Emulsifier
Category: Excipients
In-stock: In Stock
Payment Method: T/T, L/C
Shipping Method: AIR, Express
Product Information
CAS No. |
1338-39-2
|
M.F. |
C18H34O6
|
M.W. | 346.46 |
Assay | 98% |
Highlight | Span 20 1338-39-2 Span 20 Emulsifier 98% Span 20 |
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Additional Information
- Span 20 is an emulsifier in cosmetic creams and lotions as well as a stabilizer of essential oils in water.
- Density: 1.032g/mL at 25°C(lit.)
Boling Point: 401.18°C (rough estimate)
Flash Point: >230°F
Water Solubility: Soluble in 2-ethoxyethanol, ethanol and methanol. Not miscible or difficult to mix in water.
Solubility: Soluble in mineral oil, cottonseed oil, methanol, ethanol, isopropanol and ethylene glycol, insoluble in water and propylene glycol
Appearance: Yellow oily liquid
Specific Gravity: 1.032
Color: Clear amber color
Merck: 14,8724
Storage Condition: Store below +30°C.
Sensitive: Easily absorbing moisture
Refractive Index: n20/D 1.474(lit.)
MDL: MFCD00005365
Physical and Chemical Properties: Amber viscous liquid or beige to brownish yellow waxy solid, with slightly special odor. When the temperature is higher than the melting point, it is soluble in methanol, ethanol, toluene, ethyl ether, ethyl acetate, aniline, petroleum ether and carbon tetrachloride, etc., insoluble in cold water, but can be dispersed in hot water. The HLB value was 8.6. Rat LD50 10 g/kg, Adl 0~25 mg/kg(FAO/WHO,1994).
Use: Used as emulsifier, wetting agent