Diethyl Toluamide (DEET)

   • CAS No.: 134-62-3
   • Molecular Formula: C₁₂H₁₇NO
   • Molecular Weight: 191.27 g/mol
   • Product Type: Insect repellent chemical
   • Appearance: Colorless to light yellow liquid
   • Solubility: Slightly soluble in water (~0.1 g/100 mL); soluble in ethanol, isopropanol, and most organic solvents

Physicochemical Properties

• Boiling Point: 230–232 °C
• Melting Point: −10 °C
• Density: 0.998 g/cm³ at 20 °C
• Flash Point: 104 °C (closed cup)
• Vapor Pressure: 0.01 kPa at 25 °C
• Refractive Index: 1.521 at 20 °C

Purity & Quality Standards

• Purity: ≥ 99.0% (GC)
• Tested according to GC/HPLC methods
• Supplied with COA (Certificate of Analysis), TDS (Technical Data Sheet), and MSDS
• Manufactured under ISO 9001 quality management system

Key Applications

• Consumer products: active ingredient in insect repellent sprays, lotions, creams, and wipes
• Public health: preventing mosquito-borne diseases (malaria, dengue, Zika, chikungunya)
• Protective equipment: used in treated clothing, outdoor gear, and wipes
• Veterinary care: animal-use insect repellent formulations

Safety & Handling

Hazard Classification: Skin Irritation (Cat. 2), Eye Irritation (Cat. 2A), Acute Toxicity (Cat. 4)

Signal Word: Warning

Hazard Statements:

• H302: Harmful if swallowed
• H315: Causes skin irritation
• H319: Causes serious eye irritation
• H332: Harmful if inhaled

Precautionary Measures: Wear protective gloves and goggles. Avoid prolonged skin contact and inhalation of vapors. Do not ingest. Follow all Safety Data Sheet (SDS) instructions.

Packaging & Storage

• Available sizes: 25 kg drums, 200 kg barrels, 1000 L IBCs, bulk tank containers
• Storage: Store in tightly closed containers, in a cool, dry, ventilated area
• Avoid direct sunlight, sparks, and sources of ignition
• Recommended storage temperature: below 35 °C
• Shelf life: 24 months under proper storage conditions

Transport Information

• UN Number: 2588
• Hazard Class: 6.1 (Toxic Substance)
• Packing Group: III
• Transport regulations: Classified as dangerous goods under IMDG (sea), IATA (air), ADR/RID (road/rail)
• Ensure packaging meets international dangerous goods (DG) standards

Toxicological & Environmental Data

• LD₅₀ (oral, rat): ~1890 mg/kg
• Dermal absorption: minimal under normal use; avoid prolonged exposure
• Aquatic toxicity: Harmful to aquatic life (EC₅₀ for Daphnia ~75 mg/L)
• Biodegradability: Partially biodegradable in soil and water
• Bioaccumulation: Low to moderate potential

Contact Information

Company: China Amines

Email: info@chinaamines.com

We provide COA, MSDS, regulatory support, technical data sheets, and customized packaging solutions for DEET supply worldwide.