Hexadecanoic acid, also known as palmitic acid or C16 acid, is an important monobasic acid widely used in the chemical, food, and pharmaceutical industries. It serves as a raw material for producing soap, candles, lubricants, softeners, and synthetic detergents.

Basic Introduction
Chinese Name: Hexadecanoic acid, Palmitic acid
Chemical Name: Palmitic Acid
INCI Name: Palmitic Acid
CAS Registry Number: 57-10-3
EINECS Registry Number: 200-312-9
Molecular Formula: C16H32O2
Molecular Weight: 256.424
HS Code: 2942000000
Synonyms: Palmitic acid, Hexadecanoic acid, Soft fatty acid, 16 acid, ETOXAZOLE, Palmitic acid (soft fatty acid, cetaceum acetic acid, soft fatty acid, hexadecanoic acid, hexadecanoic acid, cetaceum acid), NAA160, LunacP95, Neo-Fat16, LunacP95KC, LoxiolEP278, Kortacid1698, Palmitic acid, industrene4516, Hexadecan acid, Hexadecanoic acid, Palmitic acid tech, palmitic acid, pure, 1-Hexadecanoic acid, Palmitic Acid (1.00509), pentadecanecarboxylicacid

Application Areas
1. Food Additives: Palmitic acid and its salts are commonly used as food additives, primarily to enhance the aroma and taste of food. It is sometimes used as a base component for flavors in foods such as chocolate, candy, and biscuits. Its antibacterial properties make it suitable as a preservative for certain foods, extending their shelf life.
2. Chemical Industry: Palmitic acid can be used to prepare various surfactants, such as sodium palmitate and palmitamide. These surfactants play roles in emulsification, cleaning, and foaming in products like detergents and cleaners.
3. Pharmaceutical Manufacturing: In the pharmaceutical field, palmitic acid is used 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 employed in the preparation of pharmaceutical intermediates and catalysts in synthesis processes.
4. Daily Chemical Industry: Palmitic acid is one of the main components of soap, capable of producing rich lather and offering excellent cleaning power. 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. Palmitic 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. Should be stored separately from oxidizing agents, acids, acid anhydrides, and acyl chlorides. Avoid mixed storage. 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
CP
Color: White or yellowish-white
State: Lustrous crystalline solid or powder
Solidification Point, °C: 60-66
Acid Value (as KOH) mg/g: 216-220
Iodine Value (as I2) g/100g: ≤1.0
Water-Soluble Acids: Pass
Myristic Acid, %: ≤2.0
Stearic Acid, %: ≤6.0
Main Component, %: ≥92.0
Nickel, mg/kg: ≤1
Heavy Metals, mg/kg: ≤10

FCC
Solidification Point, °C: 53.3-62
Moisture, %: ≤0.2
Acid Value (as KOH) mg/g: 204-220
Unsaponifiable Matter, %: ≤1.5
Saponification Value (as KOH) mg/g: 205-221
Iodine Value (as I2) g/100g: ≤2.0
Residue on Ignition, %: ≤0.1
Lead, mg/kg: ≤0.1
Heavy Metals, mg/kg: ≤10

EP
Solidification Point, °C: 60-66
Iodine Value (as I2) g/100g: ≤1.0
Stearic Acid, %: ≤6
Main Component, %: ≥92.0
Residue on Ignition, %: ≤0.1
Nickel, mg/kg: ≤1

USP
Solidification Point, °C: 60-66
Acid Value (as KOH) mg/g: 216-220
Water-Soluble Acids: Pass
Main Component, %: ≥92.0
Heavy Metals, mg/kg: ≤10