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Product Name: Tetramethrin
Chemical Formula: C19H25NO4
CAS Number: 7696-12-0
Synonyms: Sumithrin, Neo-Pynamin
Recommended Use: Insecticide for domestic, commercial, and agricultural purposes
Supplier Contact Information: Manufacturer address, contact phone, emergency telephone number, email
GHS Classification: Acute toxicity (Oral, Dermal, Inhalation) Category 4, Eye irritation Category 2A, Skin sensitizer Category 1
Pictograms: Exclamation mark, Dead fish/tree
Signal Word: Warning
Hazard Statements: Harmful if swallowed or inhaled, Causes serious eye irritation, May cause allergic skin reaction, Very toxic to aquatic life with long lasting effects
Precautionary Statements: Wear personal protective equipment, Avoid breathing vapors, Avoid release to the environment
Chemical Name: Tetramethrin
Concentration: 92%-98% (varies by manufacturer)
Other Ingredients: Impurities & inert ingredients constitute the remainder
Impurities of Concern: Solvents, stabilizers depending on formulation
Chemical Family: Pyrethroid
Inhalation: Move to fresh air, keep warm, seek immediate medical attention if breathing trouble starts
Ingestion: Rinse mouth thoroughly, give small quantity of water, call poison center or doctor, do not induce vomiting unless advised by medical personnel
Skin Contact: Remove contaminated clothing, rinse skin with plenty of soap and water, seek medical advice if irritation remains
Eye Contact: Rinse cautiously with water for several minutes, remove contact lenses if present, continue rinsing, seek medical attention if eye irritation persists
Symptoms: Skin irritation, burning eyes, cough, nausea, allergic reactions in sensitive individuals
Suitable Extinguishing Media: Dry chemical, foam, carbon dioxide, water spray
Unsuitable Media: High pressure water jets, direct water streams (may spread fire)
Special Hazards: Combustion may release toxic fumes including carbon monoxide, carbon dioxide, nitrogen oxides; container may explode due to heat
Protective Equipment: Wear self-contained breathing apparatus, full protective suit, avoid inhaling fumes
Specific Methods: Cool fire-exposed containers with water spray, prevent contaminated run-off from entering drains
Personal Precautions: Evacuate unnecessary personnel, ventilate area, use protective gloves, protective clothing, eye protection, and respiratory protection
Environmental Precautions: Prevent entry into drains, surface water, or soil; alert authorities if major leak occurs
Spill Containment: Absorb with inert material (sand, earth, vermiculite), collect in a suitable container for disposal
Decontamination: Wash spill area with water and detergent, ventilate premises until dry
Disposal: Contaminated material must be disposed according to local regulations
Handling: Use in well-ventilated areas, avoid creating dust, avoid direct contact with skin and eyes, do not eat, drink, or smoke when handling, wash hands thoroughly after handling
Storage Conditions: Store away from direct sunlight and heat sources, keep container tightly closed in a dry, well-ventilated area, keep separate from food, beverages, and animal feeds
Incompatibilities: Strong oxidizers, strong acids
Special Requirements: Keep away from children, only trained personnel should handle industrial quantities
Occupational Exposure Limit: No specific limit for tetramethrin; general pyrethroid limits may apply
Engineering Controls: Local exhaust ventilation, eye wash stations, safety showers
Personal Protection: Chemical-resistant gloves, safety goggles or face shield, long-sleeved clothing, NIOSH-certified respiratory protection if exposure risk exists
Hygiene Measures: Wash hands and face after handling, remove and wash contaminated clothing before reuse, avoid eating or drinking in areas where product is handled
Appearance: Clear to pale yellow oily liquid or crystalline solid
Odor: Slight aromatic
Boiling Point: Decomposes before boiling
Melting Point: 65–80°C
Flash Point: >110°C (varies with form)
Vapor Pressure: Low, 1.4 x 10⁻⁴ Pa at 20°C
Solubility: Insoluble in water, soluble in solvents like acetone, ethanol, xylene
Density: 1.06 g/cm³
pH: Not applicable (insoluble in water)
Partition Coefficient (log Kow): 6.2
Chemical Stability: Stable under normal storage and handling conditions
Reactivity: Reacts with strong oxidizing agents
Decomposition Products: Releases toxic gases including carbon dioxide and carbon monoxide on combustion
Conditions to Avoid: Excessive heat, direct sunlight, open flames, high humidity
Polymerization: No hazardous polymerization expected
Acute Oral Toxicity (LD50): 460–2000 mg/kg (rat, depends on source)
Acute Dermal Toxicity: >2000 mg/kg
Acute Inhalation Toxicity: >2.23 mg/L (4 hr, rat)
Eye Irritation: Moderate to severe; may cause burning, tearing
Skin Sensitization: May trigger allergic reactions, especially in sensitive individuals
Chronic Effects: Neurotoxic in high/prolonged exposures (in animals), rare in humans at use levels; not known as a carcinogen or mutagen
Symptoms of Overexposure: Headache, nausea, dizziness, tremors, skin and eye irritation, asthma-like symptoms
Aquatic Toxicity: Highly toxic to fish and aquatic invertebrates
Persistence: Moderately persistent in environment, degrades by photolysis, hydrolysis, and microbial action
Bioaccumulation: Moderate; can accumulate in aquatic organisms
Terrestrial Impact: Practically non-toxic to birds, highly toxic to bees and beneficial insects
Mobility in Soil: Low mobility, binds to soils, minimal groundwater contamination risk
Product Disposal: Follow local, national, and international laws for disposal; incineration preferred for quantities above household waste; do not pour down the drain or into natural waterways
Container Disposal: Triple-rinse containers, puncture or crush before disposing in approved landfill, recycle if possible
Contaminated Packaging: Dispose with care, do not reuse containers, ensure all residues are treated as hazardous
Special Precautions: Avoid contaminating water sources during disposal, maintain documentation of disposal procedures
UN Number: UN 3352 (if classified as an environmentally hazardous substance, liquid, N.O.S.)
UN Proper Shipping Name: Environmentally hazardous substance, liquid, N.O.S. (Tetramethrin)
Hazard Class: 9 (Miscellaneous dangerous substance)
Packing Group: III
Transport Labels: Environmentally hazardous mark, proper shipping name on the package
Special Transport Notes: Avoid transit with food items or animal feed, protect from moisture and extreme temperatures, check local transport rules
TSCA (US): Listed
EPA Status: Registered as an active ingredient in pesticide formulations; subject to residue tolerances
EU Classification: Listed under Regulation (EC) No 1907/2006 (REACH) Annex I; restrictions apply for uses
WHMIS (Canada): D2B (Toxic material causing other toxic effects)
Australia (AICS): Listed
Japan (ENCS): Listed
Other Regulations: Subject to local environmental release and worker safety management; labeling, hazard communication, and transportation regulations widely apply
