0.5M Sodium Hydroxide

Hazard statements (CLP)

H290, H314, H318

Code

Statements

H290

May be corrosive to metals

SECTION 2: Hazards identification

Classification of the substance or mixture GHS-US classification Corrosive to Metals Cat. 1) Skin Corrosion (Cat. 2) Serious Eye Damage (Cat. 2) H290 H314 H318

2.2 Label elements

GHS-US labeling

Hazard pictograms

GHS05

Signal word

Warning

Hazard statements

H290 – May be corrosive to metals H314 – Causes severe skin burns and eye damage H318 – Causes serious eye damage

Precautionary statements

P233 - Keep container tightly closed P234 – Keep only in original container P264 - Wash hands thoroughly after handling P280 - Wear protective gloves, protective clothing, eye protection, face protection P301+P330+P331 - IF SWALLOWED: Rinse mouth. Do NOT induce vomiting. P303+P361+P353 - IF ON SKIN (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower P304+P340+P310 - IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor. P305+P351+P338+P310 - 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. P321 - Specific treatment (see supplemental first aid instructions on this label.) P363 - Wash contaminated clothing before use P390 - Absorb spillage to prevent material damage P403+P235 - Store in a well-ventilated place. Keep cool P405 - Store locked up P406 - Store in corrosive resistant container with a resistant inner liner. P501 - Dispose of contents/container to licensed waste management site 01/22/2026 EN (English) Page 1

Other hazards which do not result in classification

None identified

Ingredient(s) with unknown acute toxicity

No data available

2.1 Classification of the substance or mixture

GHS-US classification Corrosive to Metals Cat. 1) H290 Skin Corrosion (Cat. 2) H314 Serious Eye Damage (Cat. 2) H318