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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 Details

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.

Sorbitan Fatty Acid Esters CAS#1338-41-6

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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