Tetrahydrofuran

2.1 Classification of the substance or mixture

Clear, colorless liquid. Ether like odour. Flammable Liquids - Category 2 Acute toxicity, oral - Category 4 Serious eye damage/eye irritation - Category 2A Specific Target Organ Toxicity, Single Exposure -Category 3 (respiratory) Specific Target Organ Toxicity, Single Exposure - Category 3 narcotic effects

Most important adverse effects

This material is classified as hazardous under U.S. OSHA regulations (29CFR 1910.1200) (Hazcom 2012) and Canadian WHMIS regulations (Hazardous Products Regulations) (WHMIS 2015).

Signal word

DANGER!

Hazard statements

Highly flammable liquid and vapor. Harmful if swallowed. Causes serious eye irritation. May cause respiratory irritation. May cause drowsiness or dizziness.

Precautionary statements

Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Keep container tightly closed. Ground/Bond container and receiving equipment. Use explosion-proof electrical/ventilating/lighting/equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Wash hands thoroughly after handling. Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Avoid breathing vapour or mist. Wear protective gloves and eye/face protection. IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/shower. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: get medical advice/attention. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell. If swallowed: Call a poison center/doctor if you feel unwell. Rinse mouth. Do NOT induce vomiting. In case of fire: Use water fog, dry chemical, CO2 or ‘alcohol’ foam for extinction. Store locked up. Store in a well-ventilated place. Keep cool. Keep container tightly closed. Dispose of contents/container in accordance with local regulation.

Other hazards

May be sensitive to static discharge. Take measures to prevent the build up of electrostatic charge

Other hazards which do not result in classification

Burning produces obnoxious and toxic fumes.Ingestion may cause gastrointestinal irritation, nausea, vomiting and diarrhea. May be an aspiration hazard. Aspiration into the lungs during swallowing or subsequent vomiting may cause chemical pneumonitis, which can be fatal. .