Sorbitan Fatty Acid Esters CAS#1338-41-6

Sorbitan Fatty Acid Esters CAS#1338-41-6

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Sorbitan Fatty Acid Esters CAS#1338-41-6
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Chemical Name:Sorbitan Fatty Acid Esters
CAS No.:1338-41-6
Molecular Formula:C24H46O6
Sample: Available
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Product Description

Sorbitan Fatty Acid Esters CAS#1338-41-6

Sorbitan fatty acid esters, also known as Span, are an important class of nonionic surfactants. It appears as a white to yellowish-brown liquid, powder, thin sheet, granule or waxy block, and its properties vary depending on the type of fatty acid it constitutes.

Span 60 Chemical Properties

Melting point

54-57 °C(lit.)

Boiling point

464.84°C (rough estimate)

density

1.00

vapor pressure

<1.4 hPa (20 °C)

FEMA

3028 | SORBITAN MONOSTEARATE

refractive index

1.4593 (estimate)

Fp

>230 °F

storage temp.

Store below +30°C.

solubility

Practically insoluble, but dispersible in water, slightly soluble in alcohol.

form

Solid

pka

13.63[at 20 ℃]

color

Cream coloured flakes

Odor

Slight

Odor Type

bland

Water Solubility

Soluble in ethanol (50 mg/ml), isopropanol, mineral oil and vegetable oil. Insoluble in water.

Merck

14,8724

BRN

6820761

Hydrophilic-Lipophilic Balance (HLB)

4.7

Exposure limits

ACGIH: TWA 10 mg/m3; TWA 3 mg/m3

Stability:

Stable. Combustible. Incompatible with strong oxidizing agents.

InChIKey

HVUMOYIDDBPOLL-XGKPLOKHSA-N

LogP

7.66

CAS DataBase Reference

1338-41-6(CAS DataBase Reference)

EPA Substance Registry System

Sorbitan monostearate (1338-41-6)

Product Usage

Sorbitan fatty acid esters (trade name "Sapan"), as nonionic surfactants, play a key role in many fields due to their excellent emulsifying, dispersing, stabilizing and solubilizing functions: In the pharmaceutical field, it is used as a pharmaceutical excipient in preparations such as ointments and oral emulsions. In the industrial field, it is applied in textile production to enhance the processing performance and final quality of products. Moreover, different uses require corresponding standards such as food grade, pharmaceutical grade, and industrial grade to ensure safety and applicability.


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