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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Shipping And Transportation

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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FAQ

Q1: What international standards do your products and services comply with?

A1: Our products fully comply with international standards such as REACH, MSDS, and COA, and we strictly implement the ISO9001 quality management system. We can also provide third-party testing reports (SGS, BV, etc.) according to customer needs.


Q2: How long does it take for goods to be delivered to my country?
A2: The delivery time depends on the transport mode and destination country. Generally, sea transport takes 15-30 days, air transport takes 3-7 days, and we will optimize the transport route to shorten the delivery time as much as possible.


Can you provide customs clearance services for dangerous chemicals?
A3: Yes. Our team is proficient in the customs clearance procedures for dangerous chemicals in various countries, and can provide professional compliant declaration and customs clearance services to ensure smooth customs clearance.


Q4: Do you provide customized product and service solutions?
A4: Yes. We can provide personalized product customization and export service solutions according to your specific needs (product specifications, application scenarios, procurement volume, etc.).

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