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N-Butyl Stearate CAS 123-95-5 BS

Butyl Stearate is a fatty acid ester that works as an emollient in the cosmetic and personal care industry. It is a highly stable organic chemical ingredient that has softening and smoothening effects on the skin. It is also known by other names such as Butyl Octadecanoate and Octadecanoic Acid. Butyl Stearate is an excellent alternative to other harmful emollients since it is considered a green chemical. Its low viscosity enables it to reduce and control the thickness of cosmetics such as lipsticks for smooth application and improved appeal. The chemical formula of Butyl Stearate is C22H44O2 and it can appear in the form of a colorless to pale yellow liquid or a waxy solid.
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  • 123-95-5

  • boss chem

  • 123-95-5

Product name: N-Butyl Stearate/Butyl stearate

English alias: Stearic acid butyl ester; butyl octadecanoate;plasticizer BS.

CAS: 123-95-5

Molecular formula: C22H44O2

Appearance: Colorless to pale yellow transparent oil

Package: 25kg/drum


What is N-Butyl Stearate/Butyl stearate?

Butyl Stearate is a fatty acid ester that works as an emollient in the cosmetic and personal care industry. It is a highly stable organic chemical ingredient that has softening and smoothening effects on the skin. It is also known by other names such as Butyl Octadecanoate and Octadecanoic Acid. Butyl Stearate is an excellent alternative to other harmful emollients since it is considered a green chemical. Its low viscosity enables it to reduce and control the thickness of cosmetics such as lipsticks for smooth application and improved appeal. The chemical formula of Butyl Stearate is C22H44O2 and it can appear in the form of a colorless to pale yellow liquid or a waxy solid.

COA:

Testing Items

项目

Specifications

标准

Results

结果

Appearance Form

外观

无色至淡黄色透明油状物

Colorless to pale yellow transparent oil


无色透明油状物

Colorless to pale yellow transparent oil


Iodine Value(g I2/100g)

碘值

≤2

0.82

Saponification value

皂化值


165-185


174.6

Acid Value (mg KOH/g)

酸值


≤3.0


1.99

Hydroxyl value

羟值

≤1

0.52

Viscosity

粘度(25℃)

6-15

8.5

Refractive index

折光率(25℃)


1.440-1.445

1.442

Application:

1.Butyl stearate used as a cold-resistant auxiliary plasticizer for PVC, widely applied in transparent soft sheets, cable compounds, artificial leather, and calendered films.

2.Butyl stearate functions as a lubricant for metals and textiles, and as an internal lubricant in PVC with a typical dosage of 1–3%.

3.Butyl stearate acts as a plasticizer for nitrocellulose and ethyl cellulose, enhancing the gloss, water resistance, and scratch resistance of coatings.

4.Butyl stearate suitable as a lubricant in aluminum foil rolling and metal wire drawing processes.

5.Butyl stearate serves as a moisturizing agent in cosmetic formulations such as creams and lipsticks.

6.Butyl stearate used as a lubricant and release agent in the processing of various resins, including transparent soft/hard PVC and polystyrene products via extrusion, injection molding, and calendering.

Safety profile:

Butyl Stearate is a non-toxic and safe ingredient that is generally well-tolerated by the skin in appropriate amounts. It is non-sensitizing but may cause mild irritation in individuals with sensitive skin; a patch test is recommended prior to use. This product is environmentally friendly, and its vegan status depends on the source of raw materials.

Storage requirements:

keep the product dry

relative humidity < 50%

protect product against influences of weather and contamination

Transport & Packaging:

Butyl stearate for technical applications is solely supplied in packaging of different sizes . It can be packaged in various items: 25 kg drums, 1000 kg IBC drums.


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