Spectrophotometric

2.3 Other hazards

None 3.1 Substances: Potassium Phosphate Buffer (20mL) No components need to be disclosed according to applicable regulations 4.1 Description of first aid measures If inhaled If breathed in, move person into fresh air. If not breathing, give artificial respiration. In case of skin contact Wash off with soap and plenty of water. Remove any contaminated clothing In case of eye contact Flush eyes with plenty of water. Remove contact lenses If swallowed Never give anything by mouth to an unconscious person. Rinse mouth with water (two glasses at most). Consult a physician if feeling unwell 4.2 Most important symptoms and effects: acute or delayed The most important symptoms/effects are listed in section 2 and 11 4.3 Recommendations for immediate medical care or special treatment Treat symptomatically 5.1 Extinguishing media Use water spray, dry chemical, or carbon dioxide 5.2 Special hazards Oxides of phosphorus, potassium oxides, not combustible, ambient fire may liberate hazardous vapors. SECTION 6: Accidental Release Measures 6.1 Personal precautions and Standard laboratory personal protective equipment should personal protective equipment be utilized. 6.2 Environmental precautions Do not let the product enter drains 6.3 Methods for containment and Cover drains. Wipe with absorbent material and dispose of clean up in suitable container. SECTION 7: Handling and Storage 7.1 Precautions for safe handling Follow standard Good Laboratory Practices while using this product. 7.2 Conditions for safe storage, Keep container tightly closed. Recommended storage including any incompatibilities temperature is 4°C. SECTION 8: Exposure Controls/Personal Protection

Appearance/Odor

Clear, Colorless Liquid Odorless/slight Flammability No data available Vapor Pressure No data available Odor Threshold No data available Vapor Density No data available pH 7.5 Relative Density No data available Melting Point No data available Freezing Point No data available Solubility Soluble in water Boiling Point No data available Flash Point No data available Evaporation Rate: No data available Auto-ignition Temperature No data available Decomposition Temperature No data available Viscosity No data available SECTION 10: Stability and Reactivity 10.1 Reactivity No data available 10.2 Chemical Stability Stable under recommended storage conditions 10.3 Possibility of hazardous Violent reactions possible with strong oxidizing agents, reactions acids, bases

TOXICOLOGICAL INFORMATION

11.1 Toxicity Acute toxicity Acute Toxicity Estimate oral- 2500mg/kg Acute Toxicity Estimate dermal 2500mg/kg Skin irritation No known skin irritation Serious eye damage or irritation No known eye irritation Respiratory or skin No data available sensitization Germ cell mutagenicity No mutagenic affects Carcinogenicity Not found to be a potential carcinogen Reproductive toxicity No data available Specific target organ toxicity No data available

Aspiration hazard

No data available

ECOLOGICAL INFORMATION

12.1 Toxicity Toxicity to fish, algae, bacteria, daphnia, and other aquatic invertebrates 12.2 Persistence and degradability The methods for determining the biological degradability are not applicable to inorganic substances 12.3 Bioaccumulation potential No data available 12.4 Mobility in Soil No data available

Other hazards

Discharge into the environment must be avoided.

Disposal

Considerations 13.1 Waste treatment methods Dispose of product with a licensed disposal company. SECTION 14: Transport Information 14.1 US DOT Not dangerous goods 14.2 IMDG Not dangerous goods 14.3 IATA Not dangerous goods SECTION 15: Regulatory Information No known regulatory requirements.

Further information

The above information is believed to be correct but does not purport to be all-inclusive and shall be used only as a guide. Revision Date: 6-13-22 1.1 Product Identification Product Name: FR19 GSSG Reagent Product Number: FR19 Brand: Oxford Biomedical Research 1.2 Supplier Company: Oxford Biomedical Research, Inc. PO Box 522 Oxford, MI 48371 USA Contact: 248-852-8815 info@oxfordbiomed.com 1.3 Relevant Uses Identified uses: Research Assay 1.4 Emergency Contact Number Contact: 248-852-8815 2.1 Classification of the substance or mixture Acute toxicity inhalation (category 4), specific target organ toxicity repeated exposure (category 2), short term acute aquatic hazard (category 3), long term chronic aquatic hazard (category 3) 2.2 GHS Label or Precautionary Statements Harmful if inhaled. May cause damage to organs (respiratory tract) through prolonged or repeated exposure if inhaled. Harmful to aquatic life with long lasting effects 2.3 Hazards not otherwise classified None

2.1 Classification of the substance or mixture

Not a hazardous substance or mixture.