Buffer Solution Hardness 1 pH 10.1 ± 0.1

Hazard statements (CLP)

H315+P313, H319, H412

SECTION 2: Hazards identification

This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Classification Regulatory Status

Signal word

Warning EN AGHS Product Codets) 42432 Product Name Buffer Solution Hardness 1 pH 10.1+0.4 Issue Date 01-Sep-2020 Revision Date 01-Sep-2020 Version 10.7 Page 2/43 Hazard statements H315 - Causes skinirritation H319 - Causes serious eye irritation H412 - Harmful te aquatic life with long lasting effects

Precautionary statements

P302 + P362 - IF ON SKIN: Wash with plenty of saap and water P332 + P3413 - If skin irritation occurs: Get medical attention P32 - Take off contaminated clothing and wash before reuse P20 - Wear protective glaves, protective clothing, eye protection, and face protection Pa05 + P3571 + P3368 -IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lansas, if present and easy to do. Continue rinsing PSa7 + P313 - If eye irritation persists: Get medical attention P274 - Avoid release to the environment P6501 - Dispose of contents! container to an approved waste disposal plant

Other hazards

Known Harmful to aquatic life

2.1 Classification of the substance or mixture

Regulatory Status This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Skin corrosionfrritation Catagory 2 Serious eye damage/eyeirritation Catagory 24 ‘Chronic aquatic toxicity Category 3 Hazards not otherwise classified (HNOC} Not applicable