Industrial grade stearic acid powder 99.5% cas 57-11-4

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stearic acid powder
57-11-4

Products Description

Name: Stearic acid Powder

Cas: 57-11-4

Purity: 99%min

MOQ: 1KG

Basic Info:

CAS No.:

57-11-4

Formula:

C18H36O2

EINECS:

266-928-5

Stock Availability

In stock

Brand Name

Look chem

Origin

China

 

Product Introduction:

Stearic acid Powder, CAS: 57-11-4, is a white or light yellowish white solid. It is one of the main long-chain fatty acids that make up oils. It exists in animal fats, oils and some vegetable oils in the form of glycerides. In alcohol and acetone, it is easily soluble in ether, chloroform, benzene, carbon tetrachloride, carbon disulfide, amyl acetate and toluene, etc. It has a melting point of 69.6°C and is one of the main components of grease.

Almost all fats and oils contain stearic acid with varying content, and the content in animal fat is relatively high. For example, the content in tallow can reach 24%, and the content in vegetable oil is less, tea oil is 0.8%, and palm oil is 6%. , But the content of cocoa butter is as high as 34%.

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Product Nature:

  • Melting point: 67-72°C(lit.)
  • Boiling point: 361°C(lit.)
  • Density: 0.845g/cm3
  • Vapor pressure: 1mmHg(173.7°C)
  • Refractive index: 1.4299
  • Flash point: >230°F
  • Storage conditions: Storebelow+30°C.

Specification:

ItemSpecification
Product NameStearic acid Powder
CAS No.57-11-4
Appearance White crystalline powder
Content99.5% min
Shelf Life2 years
Packing1kg/bag,25kg/bag or as your requirements

The main purpose:

Stearic acid Powder is mainly used to produce sodium stearate, magnesium stearate, calcium stearate, lead stearate, aluminum stearate, cadmium stearate, iron stearate, and potassium stearate. Widely used in the manufacture of cosmetics, plastic cold-resistant plasticizers, mold release agents, stabilizers, surfactants, rubber vulcanization accelerators, waterproofing agents, polishes, metal soaps, metal mineral suspending agents, softeners, pharmaceuticals and other organic chemicals.

It can also be used as a solvent for oil-soluble pigments, as a slip agent for crayons, as a wax paper polish, and as an emulsifier for glyceryl stearate. This product is a raw material for glyceryl stearate, sorbitan stearate, and sucrose esters, used as lubricants, defoamers and food additives in the food industry. It is used as a raw material for additives and as a raw material for household chemical products. Stearic acid is widely used in the manufacture of PVC plastic pipes, plates, profiles and films.

Stearic acid is a heat stabilizer for PVC and has excellent lubricity and light and heat stability. In plastic PVC pipes, stearic acid helps prevent “soot” during processing. When added to PVC film processing, it is an effective heat stabilizer, while also preventing discoloration of the finished film from exposure to sulfides.

Application field:

  • Rubber industry
    Stearic acid Powder plays an important role in rubber synthesis and processing. Stearic acid Powder is a vulcanization activator widely used in natural rubber, synthetic rubber, and latex, and can also be used as a plasticizer and softener. In the process of producing synthetic rubber, stearic acid must be added as an emulsifier, and Stearic acid Powder can be used as a foaming agent in the production of foamed rubber, and stearic acid can be used as a release agent for rubber products.
    Stearic acid Powder is added as an auxiliary material, and although the proportion is small, it is essential. After adding in a certain proportion in the rubber (tire) processing process with vegetable oil fatty acids, to summarize, there are four aspects as follows:
    1. Softening and plasticizing effect;
    2. As an external lubricant;
    3. Favorable for overall diffusion of carbon black, white carbon black and zinc oxide.
    4. It can react with zinc oxide or alkali accelerator to promote its activity, it is also the main vulcanization accelerator and can also act as a second accelerator. It can accelerate curing.
  • Cosmetics industry
    Stearic acid is used as an emulsifying agent in two skin care products, Vanishing Cream and Cold Cream, resulting in a stable, white paste. Stearic acid Powder is also a key ingredient in making almond honey and milk. Stearic acid soap esters are more widely used in the cosmetic industry.

Supplement other related knowledge:

  • Industrial products
    • Industrial products are white or pale yellow particles or lumps, a mixture of 45% stearic acid and 55% palmitic acid, containing a small amount of oleic acid with a slight fatty odor. Industrial products are grade 1 (previously called three-press, after three-press), second-stage (previously called two-press, after two-press) and three-stage (formerly known as one-pressed, squeezed once or not squeezed).
    • It is a mixed acid composed mainly of Stearic acid Powder and palmitic acid. Primary and secondary Stearic acid Powder is a lustrous or crystalline, white waxy solid. Tertiary stearic acid is a pale yellow waxy solid.

References:

  1.  Ralston, A.W.; Hoerr, C.W. (1942). “The Solubilities of the Normal Saturated Fatty Acids”. The Journal of Organic Chemistry. 7(6): 546–555. doi:10.1021/jo01200a013. PMID 20280727.
  2. ^ Jump up to:a b c d “stearic acid”. Chemister.ru. 2007-03-19. Retrieved 2017-06-30.
  3. ^ Jump up to:a b c Seidell, Atherton; Linke, William F. (1919). Solubilities of Inorganic and Organic Compounds (2nd ed.). D. Van Nostrand Company. p. 677.
  4. ^ Jump up to:a b Octadecanoic acid in Linstrom, Peter J.; Mallard, William G. (eds.); NIST Chemistry WebBook, NIST Standard Reference Database Number 69, National Institute of Standards and Technology, Gaithersburg (MD), http://webbook.nist.gov (retrieved 2014-06-15)
  5. Wikipedia

Service:

Pre-Sales Service

*Quick response and 24 hours online, the professional team will provide high-quality products and the best prices.

* All samples support testing.

* Each batch of products will be tested to ensure its high quality.

* The packaging can also be customized according to the needs of customers.

* Any inquiry will be answered within 24 hours.

* We provide commercial invoices, packing lists, shipping bills, COA, medical certificates and original certificates. If your market has specific requirements, please let us know and we will serve you according to your needs.

 

After-Sales Service

* Real-time monitoring of logistics information.

* You can consult at any time if you have any questions about the product.

* If you find any problems with the product, you can consult us, and you can return the product.

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Shipping:

1. <50kg, express delivery is recommended, commonly known as DDU service;

2. ≤500kg, air freight is recommended, usually called FOB, CFR or CIF service;

3.>500kg, sea transportation is recommended, usually called FOB, CFR or CIF service;

4. For high-value products, it is usually recommended to choose air and express delivery to ensure their safety.

FAQ

Do you accept sample order?

We will make samples before starting mass production, and after the samples are approved, we will start mass production. 100% inspection is carried out during the production process, and then random inspection is carried out before packaging.

How to confirm the quality of the product before placing an order?

You can get free samples of some products, you only need to pay the freight or arrange for the relevant courier to pick up the samples. You can also send us the detailed product information you need and your requirements, and we will produce products according to your requirements.

What’s your MOQ?

Our MOQ is 1kg. But we can usually accept small batches such as 100g, on the condition that we pay 100% of the sample fee.

Will you provide us with product reports?

Yes. We’ll give you product analysis report before shipping.

  Is there a discount?

Different quantities of products will have different discounts.

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Shandong Look Chemical

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