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

Additional Information

Application
  • 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

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