Tetraethylammonium hydroxide, 10-25% solution in water

2.1 Classification of the substance or mixture

WHMIS 2015 Classification Classified as hazardous under the Hazardous Products Regulations (SOR/2015-17) Corrosive to metals Category 1 Acute oral toxicity Category 3 Skin Corrosion/Irritation Category 1 B Serious Eye Damage/Eye Irritation Category 1 Specific target organ toxicity (single exposure) Category 1 Target Organs - Respiratory system, Central nervous system (CNS). Specific target organ toxicity - (repeated exposure) Category 1 Target Organs - Liver, Thymus.

Signal word

Danger

Hazard statements

May be corrosive to metals Toxic if swallowed Causes severe skin burns and eye damage May cause respiratory irritation Causes damage to organs Causes damage to organs through prolonged or repeated exposure

Prevention

Keep only in original container Do not breathe dust/fumes/gas/mist/vapours/spray Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product Use only outdoors or in a well-ventilated area Wear protective gloves/protective clothing/eye protection/face protection

Response

IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water/ shower IF INHALED: Remove person to fresh air and keep comfortable for breathing IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing Immediately call a POISON CENTER/doctor Rinse mouth Do NOT induce vomiting Wash contaminated clothing before reuse Absorb spillage to prevent material damage

Storage

Store locked up Store in a well-ventilated place. Keep container tightly closed Store in corrosive resistant polypropylene container with a resistant inliner Store in a dry place

Disposal

Dispose of contents/container to an approved waste disposal plant