Application Area

Application Description

Food Additive

Stearic acid and its salts are commonly used as food additives, primarily to enhance the flavor and texture of food. It is sometimes used as a base ingredient for flavors in foods such as chocolate, candy, and biscuits. Its antimicrobial properties make it useful as a preservative in certain foods, extending their shelf life.

Chemical Industry

Stearic acid can be used to prepare various surfactants, such as sodium stearate and stearamide. These surfactants play roles in emulsification, cleaning, and foaming in products like detergents and cleaning agents.

Pharmaceutical Manufacturing

Stearic acid is used in the pharmaceutical field to prepare certain drugs and drug carriers. It is also used in some topical medications for its antibacterial and anti-inflammatory effects. As a synthetic raw material, it is used to prepare drug intermediates and catalysts in synthesis processes.

Daily Chemical Industry

Stearic acid is one of the main components of soap, capable of producing rich lather and providing good cleaning ability. It is also used in hair care products like shampoos. Its moisturizing properties make it an important ingredient in body washes and hand creams, helping to keep the skin hydrated. Stearic acid is also a common cosmetic ingredient used in products like facial cleansers and skin creams for its lubricating and moisturizing effects.

Parameter Range

GB 1886.101

JP

EP

USP

Color

White to pale yellow

State

Hard solid

Crystallization Point, ℃

54.5-69

56.0-72.0

64-69

≥54

Moisture, %

≤0.2

Acid Value (as KOH) mg/g

196-211

194-210

194-212

Unsaponifiable Matter, %

≤1.5

Saponification Value (as KOH) mg/g

197-212

Iodine Value (as I₂) g/100g

≤7.0

≤4.0

≤1.5

≤4.0

Water-Soluble Acid

Myristic Acid, %

Stearic Acid, %

≥90.0

≥40.0

Stearic Acid + Palmitic Acid, %

≥96.0

≥90.0

Residue on Ignition, %

≤0.1

≤0.1

≤0.1

Nickel, mg/kg

≤1.0

Lead, mg/kg

≤2.0

Heavy Metals, mg/kg

≤20

≤10