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Product Name: Palmitic Acid
Chemical Name: Hexadecanoic acid
Other Names: n-Hexadecanoic acid, Palmityl acid
Molecular Formula: C16H32O2
Molecular Weight: 256.42 g/mol
CAS Number: 57-10-3
Synonyms: Palmic acid, Cetylic acid, Saponifiable matter
Recommended Use: Ingredient in soap, surfactants, cosmetics, food additive, chemical intermediate
Supplier Identification: Contact information found on specific container label
GHS Classification: Not classified as hazardous according to GHS
Hazard Statements: May cause mild skin and eye irritation upon contact
Signal Word: Not applicable
Pictograms: Not applicable
Precautionary Statements: Avoid contact with eyes, skin, and clothing; wash after handling; avoid inhaling dust
Chemical: Palmitic Acid
Concentration: ≥98% (by weight)
Impurities/Additives: Minor (<2%) fatty acids and related organic compounds
EC Number: 200-312-9
Listed Ingredients: No hazardous additives present
Inhalation: Move person to fresh air; consult a doctor if discomfort persists
Skin Contact: Rinse with soap and water; remove contaminated clothing; medical attention if persistent irritation
Eye Contact: Rinse eyes gently with water for several minutes; remove contacts; seek medical advice if irritation develops
Ingestion: Rinse mouth; drink water; seek medical advice if symptoms occur
Important Symptoms and Effects: May cause slight irritation in sensitive individuals
Suitable Extinguishing Media: Dry chemical, foam, carbon dioxide, water spray
Unsuitable Extinguishing Media: Direct water jet may spread burning material
Fire Hazards: May produce irritating fumes, including carbon monoxide and dioxide under fire conditions
Protective Equipment for Firefighters: Self-contained breathing apparatus, full protective gear
Special Procedures: Cool containers with water spray from a safe distance to prevent pressure build-up
Personal Precautions: Wear suitable gloves, eye/face protection to prevent contact
Environmental Precautions: Prevent large quantities from entering drains, sewers, or waterways
Methods for Cleanup: Contain and collect spillage with non-combustible, absorbent material (sand, earth); transfer to labeled waste containers
Decontamination: Clean affected area with soapy water to remove residues
Handling: Avoid creating or inhaling dust; wash hands after use; do not eat, drink, or smoke while handling
Storage: Store in tightly closed containers; keep in a cool, dry, well-ventilated place; keep away from sparks or open flames
Incompatibilities: Strong oxidizers, strong acids
Storage Conditions: Avoid heat and direct sunlight; maintain product away from moisture or humidity
Exposure Limits: No established TLV or OSHA PEL for palmitic acid
Engineering Controls: Adequate ventilation in the workplace, exhaust fans if necessary
Personal Protection: Protective gloves resistant to chemicals, safety glasses or goggles, protective clothing to minimize skin contact
Hygiene Measures: Change out of contaminated clothes; wash thoroughly before breaks and after work
Respiratory Protection: Dust mask recommended where dust is generated
Appearance: White, waxy crystalline solid or flakes
Odor: Faint fatty odor
Boiling Point: Approximately 351°C
Melting Point: Approximately 62°C
Solubility: Insoluble in cold water; soluble in ethanol, ether, chloroform, hot alcohol
Vapor Pressure: Negligible at room temperature
pH: Not applicable
Flash Point: Around 170°C
Density: 0.853 g/cm³ at 70°C
Partition Coefficient (n-octanol/water): log Kow ≈ 7.16
Decomposition Temperature: No data
Chemical Stability: Stable under normal storage and handling conditions
Incompatible Materials: Strong oxidizing agents, concentrated acids
Hazardous Decomposition: Irritating and toxic fumes of carbon monoxide and dioxide at high temperatures
Polymerization: Will not occur
Conditions to Avoid: Prolonged exposure to heat, open flame, and moisture
Acute Toxicity: Low toxicity; unlikely to cause harm in normal use
Skin Contact: May cause mild irritation
Eye Contact: May cause temporary irritation
Inhalation: Dust may cause sore throat or coughing
Ingestion: In large amounts, may cause mild gastrointestinal discomfort
Chronic Effects: No data indicating significant health hazards
Carcinogenicity: Not classified by IARC, NTP, or OSHA
Mutagenicity and Teratogenicity: No evidence from current studies
Aquatic Toxicity: Low toxicity to aquatic organisms, due to low solubility in water
Persistence and Degradability: Readily biodegradable in the environment
Bioaccumulation: Potential for bioaccumulation due to high partition coefficient
Mobility: Limited mobility in soil and water because of insolubility
Other Ecological Effects: No known significant impact at typical use and discharge rates
Waste Disposal Methods: Dispose of in accordance with local, regional, national, and international regulations
Product Disposal: May be incinerated in a controlled facility or landfilled at an approved site
Packaging Disposal: Rinse and recycle if facilities are available or dispose as appropriate for non-hazardous solid waste
Precautions: Avoid uncontrolled discharge into the environment; follow all applicable laws
UN Number: Not regulated for transport
Proper Shipping Name: Not regulated
Transport Hazard Class: Not applicable
Packing Group: Not applicable
Special Precautions: Avoid extreme heat; keep containers upright and secure
Environmental Hazards: None identified; not a marine pollutant by standard definitions
TSCA Inventory: Listed
REACH Registration: Exempt, due to natural origin and common use in food/cosmetics
OSHA Status: Not hazardous under OSHA Hazard Communication Standard
SARA Title III: Not subject to reporting
California Proposition 65: Not listed
WHMIS (Canada): Not controlled
EINECS: Listed (200-312-9)
Other International Standards: Meets requirements for safe use in food, cosmetics, industrial applications
