Span 20 Chemical Properties

Boiling point:

401.18°C (rough estimate)

Density 

1.032 g/mL at 25 °C(lit.)

vapor pressure 

<1.3 hPa (20 °C)

refractive index 

n20/D 1.474(lit.)

Flash point:

>230 °F

storage temp. 

Store below +30°C.

solubility 

Practically insoluble, but dispersible in water, miscible with alcohol.

form 

Liquid

Specific Gravity

1.032

color 

Clear amber colour

Water Solubility 

Soluble in 2-ethoxyethanol, ethanol and methanol. Not miscible or difficult to mix in water.

Merck 

14,8724

Hydrophilic-Lipophilic Balance (HLB)

8.6

LogP

3.366 (est)

CAS DataBase Reference

1338-39-2(CAS DataBase Reference)

EPA Substance Registry System

Sorbitan monolaurate (1338-39-2)

Safety Information

Safety Statements 

24/25

WGK Germany 

1

RTECS 

WG2920000

F 

10-23

TSCA 

Yes

HS Code 

34021300

Toxicity

LD50 orally in Rabbit: 33600 mg/kg

MSDS

• Language:English Provider:Sorbitan laurate
• Language:English Provider:SigmaAldrich
• Language:English Provider:ALFA

Span 20 Usage And Synthesis

Chemical Properties

Brownish-yellow, viscous liquid.

Uses

Lonzest(R) SML is used as a lubricant and as an emulsifier.

Uses

sorbitan laurate is an emulsifier in cosmetic creams and lotions as well as a stabilizer of essential oils in water.

Uses

Sorbitan Monolaurate is a detergent and monoester of lauric acid and hexitol anhydrides derived from sorbitol.

Uses

Span 20 has been used in a study to assess enhanced solubility and oral bioavailability of itraconazole. It has also been used in a study to investigate the oxidation of unsaturated lipids in oil-in-water emulsions.

brand name

Span 20 (ICI Americas).

General Description

Span 20 is a co-surfactant.

Safety Profile

Slightly toxic by ingestion. Questionable carcinogen with experimental neoplastigenic data. When heated to decomposition it emits acrid smoke and irritating fumes.

Span 20(1338-39-2)Related Product Information

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