Sorbitan Fatty Acid Esters

Sorbitan Fatty Acid Esters

CAS No.: 1338-41-6
Molecular Formula: C24H46O6
Molecular Weight: 430.62
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product description

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.


Chemical Properties
PropertyValue

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)


Safety Information

PropertyValue
Hazard class codes36/37/38
Safety descriptions24/25
WGK Germany1
RTECS numberWG2933500
TSCATSCA listed
HS code34021300
Storage class11 - Combustible solids
Hazardous substances data1338-41-6 (Hazardous Substances Data)
ToxicityLD50 orally in Rabbit: 15900 mg/kg


Product Usage

Sorbitan Fatty Acid Esters are a class of nonionic surfactants widely used in food, cosmetics, pharmaceutical, and industrial applications. In the food industry, they function as emulsifiers and stabilizers to improve texture and consistency. In cosmetics, they are commonly used in creams and lotions to enhance smoothness and stability. They are also applied in plastics, textiles, and agrochemicals for dispersing, wetting, and emulsifying purposes. With good biocompatibility and safety, they are highly valued in various formulations.

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Delivery Time

Inventory 2-3 working days New manufacturing 7-10 working days

Mode of Transportation
1. By Air, fast but expensive.
2. By Sea, usual and economy.
3. By Train, suit for middle Asia countries.
4. By Express, suit for small package.
We only provide highest quality goods available, accompanied by after support!

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Q1: Are Your Products Compliant With International Standards?

A1: Yes, our company holds a number of internationally recognized core certifications. All production and operation activities strictly follow international environmental, safety and quality standards, and each batch of products is accompanied by a compliance test report to meet the chemical industry requirements in different regions around the world.


Q2: Do You Provide Customized Product Services?
A2: Yes, we have a professional R&D team and refined production capacity. We can customize chemical products of different specifications and performances according to customers' specific needs, and provide full-process technical support to meet the personalized application needs of downstream industries.


Q3: What Is The Approximate Delivery Cycle Of The Products?
A3: The delivery cycle varies according to product type, order quantity and destination. We have a complete global supply chain system to ensure fast and safe delivery of goods. For specific cycle, you can consult our sales team for detailed information.


Q4: How To Obtain Product Samples?
A4: You can contact our customer service or sales team to specify the specific model and specification of the required samples. We will provide free samples according to the actual situation, and the sample express fee can be negotiated.

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