Product Name: Tetradecyl Dimethyl Betaine
Chemical Family: Amphoteric surfactant
Molecular Formula: C16H33NO2
Synonyms: Lauryl dimethyl betaine, Tetradecyldimethylammonioacetate
CAS Number: 3088-31-1
Recommended Use: Used in personal care formulations, household and industrial cleaners, often as a co-surfactant for foaming or viscosity building
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GHS Classification: Eye irritation – Category 2A; Skin irritation – Category 2
Signal Word: Warning
Hazard Statements: Causes serious eye irritation. May cause skin irritation after prolonged or repeated contact.
Pictograms: Exclamation mark
Precautionary Statements: Avoid direct contact with skin and eyes. Use personal protective equipment. Wash hands after handling. If in eyes: Rinse with water carefully for several minutes. Remove contact lenses if present. Continue rinsing and seek medical advice if irritation persists.
Potential Health Effects: Eye contact can cause burning or watering; skin contact may lead to redness or dryness; inhalation of mist may irritate the respiratory tract.
Chemical Name: Tetradecyl Dimethyl Betaine
Common Name: Lauryl Betaine
CAS Number: 3088-31-1
Concentration: 30-100% (formulation-dependent, verify with supplier)
Impurities/Additives: Trace amounts of contaminants can include unreacted amines, salts, and trace water
Inhalation: Remove victim to fresh air and keep comfortable. Seek medical care if symptoms develop.
Skin contact: Wash with plenty of soap and water. Remove contaminated clothing. If irritation or redness continues, seek medical advice.
Eye contact: Rinse cautiously with water for several minutes. Remove contact lenses. Continue rinsing and consult a medical professional if discomfort continues.
Ingestion: Rinse mouth and drink small amounts of water if conscious. Do not induce vomiting. Seek immediate medical care; show SDS if possible.
Note to Physician: Treat symptomatically.
Flammability: Product does not ignite easily but may decompose at high temperatures to produce toxic fumes like nitrogen oxides and carbon monoxide
Suitable Extinguishing Media: Water spray, dry chemical, foam, or carbon dioxide. Do not use direct water streams, as foam may cause slips.
Protective equipment for firefighters: Wear self-contained breathing apparatus and protective gear.
Specific hazards: Burning releases harmful vapors. Containers exposed to fire may burst due to pressure build-up.
Additional advice: Cool exposed containers with water fog. Avoid runoff to sewers or waterways.
Personal Precautions: Avoid inhalation, skin and eye contact. Wear protective gloves, safety goggles, and a suitable respirator if necessary.
Spill Response: Contain spill and absorb with inert material such as sand or vermiculite. Collect waste in a labeled container for proper disposal.
Environmental Precautions: Prevent entry into waterways, drains, or soil. Alert local authorities if spill has caused contamination.
Clean-Up Methods: Wash area with plenty of water after material has been collected. Dispose of washwater in compliance with local regulations.
Precautions for Safe Handling: Avoid inhalation of spray mist and direct skin contact. Keep containers tightly closed when not in use. Do not use in confined spaces without adequate ventilation.
Safe Storage Recommendations: Store in original container in a cool, dry, well-ventilated area away from incompatible substances such as strong oxidizing agents. Protect from freezing and excessive heat. Keep away from sources of ignition.
Container Use: Store in polyethylene, stainless steel, or glass containers. Avoid contact with aluminum or copper equipment.
Engineering Controls: Use local exhaust ventilation or general dilution ventilation to keep air concentrations below recommended limits.
Occupational Exposure Limits: No established exposure limits for this chemical; minimize exposure by using common industrial hygiene practices.
Personal Protective Equipment: Wear chemical-resistant gloves (e.g., nitrile), safety glasses, and protective clothing. In case of inadequate ventilation, wear a NIOSH-approved respirator.
Hygiene Measures: Wash hands thoroughly after handling. Avoid eating, drinking, or smoking in work areas.
Appearance: Clear to pale yellow liquid
Odor: Mild, characteristic
Odor Threshold: Not determined
pH (10% solution): 6.5 – 8.5
Melting Point/Freezing Point: Approximately <0°C
Boiling Point: >100°C
Flash Point: >100°C (closed cup)
Evaporation Rate: Not determined
Flammability: Not readily flammable
Vapor Pressure: Negligible
Solubility: Soluble in water
Partition Coefficient (n-octanol/water): Not available
Vapor Density: No data
Relative Density: 0.99 – 1.03 g/cm³
Viscosity: Typically low
Decomposition Temperature: Not determined
Chemical stability: Stable under normal temperatures and pressures
Possibility of Hazardous Reactions: No dangerous reactions known under normal use.
Incompatible Materials: Strong acids, strong bases, strong oxidizing agents
Conditions to Avoid: Excessive heat, open flames, sources of ignition
Hazardous Decomposition Products: Nitrogen oxides, carbon oxides, and possibly other toxic gases in a fire or on thermal decomposition
Routes of Exposure: Inhalation, skin contact, eye contact, ingestion
Acute Toxicity: Oral LD50 (rat): >2000 mg/kg; low toxicity by ingestion
Skin Corrosion/Irritation: May cause irritation on prolonged exposure
Serious Eye Damage/Irritation: Causes eye irritation
Respiratory Sensitizer: Not classified as a sensitizer
Skin Sensitizer: Not likely to cause allergic reaction
Carcinogenicity: Not classified as carcinogenic based on current data
Reproductive Toxicity: No adverse reproductive effects known
Target Organ Effects: No organ-specific hazards identified
Other Effects: Prolonged exposure may cause dryness or cracking of skin
Ecotoxicity: Harmful to aquatic life in high concentrations. Expected to be biodegradable.
Persistence and Degradability: Readily biodegradable in standard tests
Bioaccumulation Potential: Low potential for bioaccumulation
Mobility in Soil: Highly soluble; may leach to groundwater
Other Adverse Effects: High concentrations can foam and disrupt biological treatment systems
Waste Disposal Methods: Dispose of in accordance with local, regional, and national regulations. Perform incineration in chemical incinerators with afterburner and scrubber when possible.
Container Disposal: Triple rinse empty containers before recycling or disposal, or puncture and render incapable of holding liquid.
Special Precautions: Avoid release into the environment or sewage system. Collect liquid product for proper treatment.
UN Number: Not classified as hazardous under transport regulations
Proper Shipping Name: Not regulated
Transport Hazard Class: Not a hazardous material
Packing Group: Not assigned
Environmental Hazards: Not a Marine Pollutant
Special Precautions for User: Avoid spills; containers should be secured during transport to prevent leaks
International Inventories: Listed in TSCA, EINECS, DSL, AICS, ENCS, and other relevant inventories
OSHA Hazard Communication: Considered hazardous due to potential eye and skin irritation
EPA SARA Title III: Does not contain components subject to reporting
WHMIS Classification: D2B – Toxic material causing other toxic effects
Other Regulations: Not listed by IARC, NTP, or OSHA as a carcinogen
Labeling Requirements: Proper risk and safety phrases per country regulations. Maintain accurate documentation.
