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Chemical Name: Estearato de Metilo
Chemical Formula: C19H38O2
Common Uses: Lubricant, emollient in personal care, plastic additive, production of detergents and surfactants
Physical State: Oily liquid or solid white flakes, faint odor, virtually insoluble in water
CAS Number: 112-61-8
Hazard Classes: Low hazard for acute exposure, considered non-toxic under normal conditions
Health Risks: Contact with eyes may cause mild irritation, ingestion could lead to slight gastrointestinal discomfort, inhalation risk is generally low unless heated or misted
Fire Hazards: Combustible; may release irritating fumes under fire conditions
Chronic Issues: No evidence of long-term health effects in typical occupational settings
Main Component: Methyl stearate at or above 95% concentration
Impurities: Small amounts of fatty acid methyl esters or residual fatty acids, rarely above 5%
Relevant Allergenic Content: No listed allergens based on chemical structure
Inhalation: Move to fresh air; symptoms like headache or dizziness rarely occur unless airborne dust or vapor concentration is high
Skin Contact: Wash skin thoroughly with soap and water to remove residue, though mild irritation is unlikely
Eye Contact: Rinse slowly under running water for at least fifteen minutes to reduce discomfort, seek medical attention if irritation persists
Ingestion: Rinse mouth, do not induce vomiting, monitor for symptoms; consult a healthcare professional if large amounts are involved
Suitable Extinguishing Media: Use foam, dry chemical, or carbon dioxide for larger quantities; water spray can lower heat but may spread product due to low solubility
Protective Equipment: Firefighters should wear full protective gear to guard against fumes
Hazardous Combustion Products: May generate carbon monoxide and carbon dioxide; methyl esters frequently break down into acrid smoke if burning is intense
Personal Precautions: Avoid direct contact, wipe up spills with absorbent material like sand or inert granules
Environmental Precautions: Prevent release into drains or watercourses, as oily residue can harm aquatic life
Cleaning Methods: Gather product into containers for proper disposal; wash the area with reduce slipperiness and residue
Handling Practices: Maintain good industrial hygiene, keep away from heat and open flames, avoid mixing with strong oxidizers
Storage Suggestions: Store in tightly closed containers, keep in a cool, dry spot, reduce direct sunlight; use appropriate labeling to minimize mix-up risks
Precautionary Statements: Routine ventilation in storage places, no special handling equipment required for room temperature manipulation
Exposure Limits: No established occupational exposure limits for methyl stearate
Engineering Controls: Normal workplace ventilation provides enough protection for most uses; local exhaustion only matters where hot processing or sprays occur
Personal Protection: Wearing safety glasses reduces risk from accidental splashes, gloves keep hands clean, protective clothing depends on scale of operations
Appearance: White, waxy solid or clear, oily liquid
Odor: Faint, almost unnoticeable
Melting Point: Around 38-40°C
Boiling Point: Near 215°C at lower pressure
Flash Point: Exceeds 180°C (closed cup)
Solubility: Immiscible in water, soluble in most organic solvents
Density: Roughly 0.85 g/cm3 at 20°C
Chemical Stability: Keeps integrity at ambient conditions for extended periods
Incompatible Materials: Strong oxidizers may trigger rapid chemical change
Decomposition: Elevated heat or fire breaks structure down, resulting in irritating fumes; stable under usual storage
Acute Effects: Swallowing moderate amounts unlikely to harm healthy adults, animal studies do not point to acute toxicity
Skin and Eye Impact: Low chance of irritation, repeated exposure seldom leads to dermatitis
Respiratory Concerns: Powder or mist in confined spaces might bother people with preexisting sensitivities, not recognized as an inhalation hazard
Carcinogenicity: No links to cancer found in published literature, absence of recognized mutagenic activity
Environmental Impact: Oily residues can leave lasting film on water surfaces, lowered oxygen exchange may threaten small aquatic species
Biodegradability: Breaks down slowly under typical environmental conditions, not marked as persistent
Bioaccumulation: No strong evidence for build-up along food chains
Waste Treatment: Unused or spilled product can be incinerated in authorized facilities, small amounts in household waste rarely pose issues
Precaution for Drains: Direct dumping into sewers or surface water should be avoided to shield aquatic life
UN Classification: Not regulated, low safety risk in bulk shipping
Handling in Transit: Shipping containers require secure closures, keep containers upright to prevent leaks and spills, shield from intense heat in transit
Special Labels: None required for public road or sea transit
Regulatory Status: Regarded as non-hazardous chemical by most global health authorities
Registration: Approved for use in industrial, cosmetic, and food applications in many jurisdictions
Workplace Codes: No specific chemical control codes needed for common uses, safe work practices recommended in all environments
