Octadecanoic acid/Stearic acid

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Industry Category:	Chemicals/Carboxylic Acids/Tartaric Acid
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Brand:	cornigs
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Description

Additional Information

Stearic Acid

Stearic acid, with the chemical formula C18H36O2 and a molecular weight of 284.48, is a compound known as octadecanoic acid. It is produced by the hydrolysis of fats and oils and is primarily used in the production of stearates.

Basic Introduction

Chinese Name: Octadecanoic Acid, Stearic Acid

Chemical Name: Stearic Acid

INCI Name: Stearic Acid

CAS Registry Number: 57-11-4

EINECS Registry Number: 266-928-5

Molecular Formula: C₁₈H₃₆O₂

Molecular Weight: 284.48

HS Code: 2915701000

Applications

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.

Packaging Method

Kraft Bag

Stability and Storage Conditions

Store in a cool, well-ventilated warehouse. Keep away from fire and heat sources. Protect from direct sunlight. Keep containers sealed. Separate from oxidizers, acids, acid anhydrides, and acyl chlorides. Do not store together. Equip with appropriate types and quantities of fire-fighting equipment. The storage area should be equipped with leak emergency handling equipment and suitable containment materials.

Product Compliance

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