Suyuan Chemical
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Material Safety Data Sheet: Stearamide

Identification

Product Name: Stearamide
Chemical Name: Octadecanamide
Synonyms: Stearic acid amide, Octadecanamide, n-Octadecanamide
CAS Number: 124-26-5
Molecular Formula: C18H37NO
Molecular Weight: 283.49 g/mol
Recommended Use: Lubricant, release agent, anti-block agent in plastics, pigment dispersant, paper and textile additive
Supplier: Manufacturer or distributor information, typically local chemical supplier details
Contact Information for Emergencies: Provided by supplier or Chemtrec number

Hazard Identification

Classification: Not classified as hazardous according to GHS (Globally Harmonized System of Classification and Labelling of Chemicals)
Label Elements: No pictogram or signal word required
Hazard Statements: May cause mild skin and eye irritation in sensitive individuals
Precautionary Statements: Avoid contact with eyes and prolonged contact with skin; good industrial hygiene practice recommended; not considered a health hazard under normal conditions of use
Routes of Exposure: Inhalation of dust, skin contact, eye contact, ingestion
Most Important Symptoms: Mechanical irritation such as redness, itching, or dryness on exposed skin or in eyes
Environmental Hazards: Not considered a significant environmental hazard; avoid uncontrolled releases to water systems

Composition / Information on Ingredients

Chemical Composition: Pure substance
Ingredient: Stearamide (100%)
CAS Number: 124-26-5
Impurities: May contain trace levels of related fatty acid amides or stearic acid based on manufacturing source
Other Additives: None reported for technical or industrial grades

First Aid Measures

Inhalation: Move affected person to fresh air, support breathing if symptoms such as coughing or shortness of breath appear; seek medical attention if discomfort persists
Skin Contact: Wash area with soap and water, remove contaminated clothing, seek medical advice if rash or irritation develops
Eye Contact: Rinse thoroughly with clean water for at least fifteen minutes, remove contact lenses if present and easy to do, seek medical attention if pain or redness persists
Ingestion: Rinse mouth with water, do not induce vomiting, consult a physician if large amounts are swallowed or symptoms develop

Fire-Fighting Measures

Suitable Extinguishing Media: Dry chemical powder, foam, carbon dioxide, water spray (do not use direct water jet)
Unsuitable Extinguishing Media: Avoid direct water streams which may spread burning product
Specific Hazards: Emits toxic fumes such as carbon monoxide, nitrogen oxides on burning; fine dust can form explosive mixtures when suspended in air
Protective Equipment: Firefighters should wear self-contained breathing apparatus and full protective gear
Special Precautions: Cool exposed containers with water spray, prevent runoff into water sources

Accidental Release Measures

Personal Precautions: Wear protective clothing, gloves, safety goggles, and a dust mask if needed; control dust formation and avoid skin or eye contact
Environmental Precautions: Prevent product from entering drains, surface and ground waters; contain spilled material
Spill Response: Sweep up and transfer to a labeled container for recycling or disposal, ventilate the area, wash residue with water and detergent
Methods for Cleanup: Avoid creating airborne dust, use industrial vacuum if available; keep unnecessary personnel clear

Handling and Storage

Handling: Handle with care to avoid dust creation; use appropriate local exhaust to control dust exposure; avoid inhalation, skin, and eye contact; do not eat, drink, or smoke in work area
Storage: Store in cool, dry, well-ventilated place away from oxidizers; keep containers tightly closed and properly labeled; protect from moisture and sunlight
Incompatible Materials: Strong oxidizing agents, strong acids, and bases
Safe Transfer: Use clean, dry tools and avoid static discharge by grounding containers; minimize dust creation during transfers

Exposure Controls and Personal Protection

Occupational Exposure Limits: No established exposure limits for Stearamide; general nuisance dust limits apply (e.g. OSHA PEL for particulates not otherwise regulated: 15 mg/m³ total dust, 5 mg/m³ respirable fraction)
Engineering Controls: Use local exhaust ventilation or general dilution ventilation to control airborne dust; use explosion-proof equipment for handling powders
Personal Protection:

  • Respiratory Protection: NIOSH-approved dust mask or respirator if exposure is excessive or ventilation inadequate
  • Eye Protection: Safety goggles or face shield
  • Skin Protection: Impervious gloves, protective clothing
  • Hygiene Measures: Wash thoroughly after handling, launder contaminated clothing

Physical and Chemical Properties

Appearance: White to pale yellow waxy solid, flakes or powder
Odor: Faint fatty or waxy odor
Melting Point: 98 – 102 °C (208 – 216 °F)
Boiling Point: Approx. 330 °C (626 °F) (decomposes)
Flash Point: >180 °C (356 °F) (open cup method)
Autoignition Temperature: Not readily available, expected to be above 300 °C
Solubility: Insoluble in water, soluble in hot alcohol, chloroform, and many organic solvents
Vapor Pressure: Very low at room temperature
Density: 0.98 – 1.03 g/cm³ at 25°C
pH: Not applicable (insoluble in water)
Partition coefficient (n-octanol/water): Estimated log Pow 6.6 - 8.0
Evaporation Rate: Negligible
Viscosity: Not determined, solid at normal conditions

Stability and Reactivity

Reactivity: Stable under normal conditions of use and storage
Chemical Stability: Stable under recommended storage conditions
Possibility of Hazardous Reactions: No dangerous reactions known; may react with strong oxidizers, acids, or bases
Conditions to Avoid: Excessive heat, open flame, sparks, static electricity, moisture
Incompatible Materials: Avoid contact with strong oxidizing agents and acids
Hazardous Decomposition Products: Releases carbon monoxide, carbon dioxide, nitrogen oxides under combustion or thermal decomposition

Toxicological Information

Acute Toxicity: Low oral and dermal toxicity; oral LD50 in rats reportedly >5000 mg/kg
Skin Irritation: May cause mild irritation with prolonged or repeated contact
Eye Irritation: May cause mechanical irritation
Respiratory Effects: Inhalation of dust can cause transient irritation of mucous membranes
Sensitization: Not a known skin sensitizer
Repeated Dose Toxicity: No data indicating chronic hazards in normal industrial uses
Carcinogenicity: Not classified as carcinogenic by IARC, ACGIH, OSHA, or NTP
Mutagenicity: No data indicating genetic toxicity
Reproductive Toxicity: No evidence of adverse reproductive or developmental effects in available studies

Ecological Information

Ecotoxicity: Not considered acutely harmful to aquatic life at typical concentrations; large spills may interfere with oxygen transfer in water
Persistence and Degradability: Biodegradable in soil and water; not expected to persist under environmental conditions
Bioaccumulation Potential: Potential for bioaccumulation due to high log Pow, although high molecular weight and low water solubility limit uptake
Mobility in Soil: Low, due to insolubility in water
Other Adverse Effects: No reports of endocrine disrupting effects, ozone depletion, or other significant hazards

Disposal Considerations

Waste Handling: Dispose of material according to local, regional, and national legislation; preferred options include recycling, incineration, or disposal as non-hazardous industrial waste
Contaminated Packaging: Empty containers should be recycled or disposed of safely; avoid reuse without proper cleaning
Methods: Do not release to sewers or waterways; consult a licensed waste management contractor
Special Considerations: Avoid dust formation during disposal, keep material away from ignition sources until waste is confirmed non-flammable

Transport Information

UN Number: Not regulated for transport
Transport Hazard Class: Not classified
Packing Group: Not applicable
Proper Shipping Name: Stearamide, Octadecanamide
Environmental Hazards for Transport: Not a marine pollutant
Special Transport Precautions: Keep dry and well-sealed during transport; protect from physical damage
Regulations: Subject to general regulations for shipment of non-hazardous solid chemicals

Regulatory Information

Global Chemical Inventory Status: Listed in the US TSCA Inventory, Canadian DSL, European EINECS, Australian AICS, and other national registries
US Regulations: Not subject to SARA Title III Sections 302, 304, or 313 reporting
California Proposition 65: Not listed
EU Regulations: Not classified under REACH as a hazardous substance; Safety Data Sheet available for professional users
Labeling Requirements: No hazard labeling required under GHS for typical forms
Other Local/International Regulations: Check specific country and regional requirements as they may vary depending on use and intended applications