Package: 20Kg or 25kg per P.P. bag, 22MT per 20

Uses : Widely used in curing agent, plastic heat stabilizer, wetting agent, textile softener, chemical fiber oil, anti-static agent, edible emulsifier

Molecular Structure:

Product description:

Stearic Acid
Other name: octadecanoic acid, stearinic acid
Molecular Formula:  CH₃(CH₂)₁₆CO₂H
CAS No.: 57-11-4
EINECS Number: 200-313-4
Putiry: 99.70%
Grade: Industrial/Medicine

Trade Terms:
Payment terms: T/T, L/C
Price terms: Exw, FOB, CFR, CIF
Lead time: 2000 MT/20 Days
Packaging: 20Kg or 25kg per P.P. bag, 22MT/20“FCL
Place of Origin: Beijing China

Specification:
Stearic Acid is Shaped like Lump, flake; Saturated fatty acid mainly with C16 and C18, white flake solid at ambient temperature, not dissolved in water, slightly dissolved in benzene and carbon bisulfide, and easily dissolved in hot alcohol. No smell no poison. It has the general chemical properties of organic carboxylic acid.

Main Application:

1. Generally applications of steric acid exploit its bifunctional character, with a polar head group that can be attached to metal cations and a nonpolar chain that confers solubility in organic solvents. The combination leads to uses as a surfactant and softening agent. Stearic acid undergoes the typical reactions of saturated carboxylic acids, notably reduction to stearyl alcohol, and esterification with a range of alcohols.

2. Soaps, cosmetics, detergents
Stearic acid is mainly used in the production of detergents, soaps, and cosmetics such as shampoos and shaving cream products. Soaps are not made directly from steric acid, but indirectly by saponification of triglycerides consisting of steric acid esters. Esters of stearic acid with ethylene glycol, glycol stearate and glycol distearate, are used to produce a pearly effect in shampoos, soaps and other cosmetic products. They are added to the product in molten form and allowed to crystallize under controlled conditions. Detergents are obtained from amides and quaternary alkylammonium derivatives of steric acid.

3. Lubricants, softening and release agents
In view of the soft texture of the sodium salt, which is the main component of soap, other salts are also useful for their lubricating properties. Lithium stearate is an important component of grease. The stearate salts of zinc, calcium, cadmium, and lead are used to soften PVC. Stearic acid is used along with castor oil for preparing softeners in textile sizing. They are heated and mixed with caustic potash or caustic soda. Related salts are also commonly used as a release agents, e.g. in the production of automobile tyres.

4. Niche uses
Being inexpensively available and chemically benign, steric acid finds many niche applications. When making plaster castings from a plaster piece mold or waste mold and when making the mold from a shellacked clay original. In this use, powdered stearic acid is dissolved in water and the solution is brushed onto the surface to be parted after casting. This reacts with the calcium in the plaster to form a thin layer of calcium stearate which functions as a release agent. It is used with zinc as zinc stearate as fanning powder for cards to deliver smooth fanning motion. In compressed confections

It is used as a lubricant to keep the tablet from sticking to the die.

Fatty acids are classic components of candle-making. Stearic acid is used along with simple sugar or corn syrup as a hardener in candies. Steric acid is used to produce dietary supplements.
In fireworks, stearic acid is often used to coat metal powders such as aluminium and iron. This prevents oxidation, allowing compositions to be stored for a longer period of time.
Stearic acid is a common lubricants during injection molding and pressing of ceramic powders.[4] It is also used as a mold release for foam latex that is baked in stone molds.