Buffer Solution pH 10.00

2.1 Classification of the substance or mixture

GHS Classification Reproductive Toxicity Category 1B

Signal word

Danger

Hazard statements

H360 May damage fertility or the unborn child

Precautionary statements

P201 Obtain special instructions before use P202 Do not handle until all safety precautions have been read and understood P280 Wear protective gloves and eye protection P308+P313 IF exposed or concerned: Get medical advice/attention P405 Store locked up P501 Dispose of contents/container to comply with local, state, and federal regulations

Other hazards which do not result in classification

None under normal conditions Chemical Identity Not applicable Common Name Not applicable Mixture Name CAS # Approximate % Water 7732-18-5 >96 Potassium Hydroxide 1310-58-3 Disodium EDTA dihydrate 6381-92-6 Potassium Carbonate 584-08-7 Potassium Borate 1332-77-0 Bromphenol Blue, Sodium Salt 62625-28-9 <0.01 Bromcresol Green, Sodium Salt 62625-32-5 <0.01 Description of First Aid Measures General First Aid Measures Never give anything by mouth to an unconscious person. Seek medical advice if you feel unwell. If Inhaled Remove person to fresh air and keep comfortable for breathing. Allow victim to rest. In Case of Skin Contact Remove contaminated clothing and wash exposed skin with mild soap and water. Rinse with warm water. In Case of Eye Contact Immediately flush eyes with plenty of water. Remove contact lenses, if present and easy to do. Get medical attention if irritation develops. If Swallowed Rinse mouth. Do NOT induce vomiting. Get medical attention if you feel unwell. Most Important Symptoms/Effects Acute and Delayed May damage fertility or the unborn child Indication of Immediate Medical Attention and Special Treatment Needed No additional information available. Extinguishing Media Suitable Extinguishing Media Foam. Dry powder. Sand. Carbon dioxide. Water spray. Unsuitable Extinguishing Media Do not use high pressure water stream. Special Hazards Arising from the Chemical No additional information available. Special Protective Actions for Fire-Fighters Wear self-contained breathing apparatus and protective clothing. Keep exposed containers cool with water spray. Personal Precautions, Protective Equipment and Emergency Procedures Personal Precautions Use personal protective equipment (see section 8). Evacuate area of non-essential personnel. Eliminate ignition sources. Environmental Precautions Prevent entry to surface and ground waters. Methods and Materials for Containment Clean up spills with inert solids. Collect spillage. Store away from other materials. and Cleaning Up Ensure compliance with federal, state, and local regulations. Precautions for Safe Handling Avoid contact with eyes and skin. Avoid breathing vapors. Wash hands and other exposed areas with mild soap and water before eating, drinking or smoking and when leaving work. Provide good ventilation in process area to prevent formation of vapor. Do not handle until all safety precautions have been read and understood. Obtain special instructions before use. Conditions for Safe Storage Keep in a tightly closed container, stored in a cool, dry, ventilated area. Store away Including any Incompatibilities from heat sources, strong oxidizers and strong acids Control Parameters Potassium Hydroxide (1310-58-3) USA ACGIH ACGIH Ceiling (mg/m3) 2 mg/m3 Appropriate Engineering Controls Provide adequate general ventilation. Maintain eye-wash fountain and quick-drench facilities in work area. Individual Protection Measures Avoid all unnecessary exposure. Eye/Face Protection Use chemical safety goggles and /or a full face shield where splashing is possible. Contact lenses should not be worn when working with this material. Maintain eye-wash fountain and quick-drench facilities in work area. Skin Protection Rubber or neoprene gloves and additional protection including impervious boots, apron, or coveralls, as needed in areas of unusual exposure to prevent skin contact. Respiratory Protection Wear appropriate mask.

Further information

Do not eat, drink, or smoke when using this product. Physical State Liquid Color Blue Odor Odorless Odor Threshold Not determined pH 10 Melting Point/Freezing Point Not determined Initial Boiling Point and Boiling Range Not determined Flash Point Not determined Evaporation Rate Not determined Flammability (Solid, Gas) Not determined Upper/Lower Flammability/Explosive Limits Not determined Vapor Pressure Not determined Vapor Density Not determined Relative Density 1.00 Solubility Soluble in water Partition Coefficient: n-octanol/water Not determined Auto-Ignition Temperature Not determined Decomposition Temperature Not determined Viscosity Not determined Reactivity No data available Chemical Stability Stable under ordinary conditions of use and storage. Possibility of Hazardous Reactions No data available Conditions to Avoid Extremely high or low temperatures. Incompatible Materials Strong oxidizers and strong acids Hazardous Decomposition Products When heated to decomposition, can emit toxic gases, carbon dioxide, and carbon monoxide. Acute Toxicity Not classified Potassium Hydroxide ( 1310-58-3) LD50 oral rat 333 mg/kg, Rat; experimental value Water ( 7732-18-5) LD50 oral rat ≥90000 mg/kg Skin Corrosion/Irritation Not classified Serious Eye Damage/Irritation Not classified Respiratory or Skin Sensitization Not classified Germ Cell Mutagenicity Not classified Carcinogenicity Not classified Reproductive Toxicity May damage fertility or the unborn child Specific Target Organ Toxicity (Single Not classified Exposure) Specific Target Organ Toxicity (Repeated Not classified Exposure) Aspiration Hazard Not classified Potential Adverse Human Health Effects No data available and Symptoms Other Information Not available Toxicity Not applicable Persistence and Degradability Not applicable Bioaccumulative Potential Not applicable Mobility in Soil Not applicable Other Adverse Effects Not applicable Methods of Disposal Disposal Recommendations Dispose of contents/containers in accordance with federal, state, and local regulations. Other Information Avoid release to the surrounding environment. UN Number Not applicable UN Shipping Name Not applicable Transport Hazard Class(es) Not applicable Packing Group Not applicable Environmental Hazards Not applicable Transport in Bulk Not applicable