Material Safety Data Sheet NFPA HMIS Personal Protective Equipment 1 Health Hazard Fire Hazard 1 See Section 15. Section 1. Chemical Product and Company Identification Common Name/ Trade Name Manufacturer Commercial Name(s) Synonym Chemical Name Buffer Solution, ph 5. SPECTRUM QUALITY PRODUCTS INC. 14422 S. SAN PEDRO STREET GARDENA, CA 9248 Catalog Number(s). CAS# RTECS TSCA CI# B-245 Mixture. IN CASE OF EMERGENCY CHEMTREC (24hr) 8-424-93 Page Number: 1 TSCA 8(b) inventory: Potassium biphthalate; Sodium hydroxide; Water Chemical Family Chemical Formula Supplier SPECTRUM QUALITY PRODUCTS INC. 14422 S. SAN PEDRO STREET GARDENA, CA 9248 CALL (31) 516-8 Section 2.Composition and Information on Ingredients Name CAS # Exposure Limits TWA (mg/m 3 ) STEL (mg/m 3 ) CEIL (mg/m 3 ) % by Weight 1) Potassium biphthalate 877-24-7 1.2 2) Sodium hydroxide 131-73-2 2.9 3) Water 7732-18-5 98.9 Toxicological Data on Ingredients Potassium biphthalate LD5: LC5: Section 3. Hazards Identification Potential Acute Health Effects Slightly hazardous in case of skin contact (corrosive, irritant), of eye contact (irritant), of ingestion, of inhalation. Potential Chronic Health Effects Non-corrosive for skin. Non-irritant for skin. Non-sensitizer for skin. Non-permeator by skin. Non-irritating to the eyes. Non-hazardous in case of ingestion. Non-hazardous in case of inhalation. CARCINOGENIC EFFECTS: MUTAGENIC EFFECTS: TERATOGENIC EFFECTS: DEVELOPMENTAL TOXICITY: The substance is toxic to lungs, mucous membranes. Repeated or prolonged exposure to the substance can produce target organs damage.
Buffer Solution, ph 5. Page Number: 2 Section 4. First Aid Measures Eye Contact Skin Contact Serious Skin Contact Check for and remove any contact lenses. In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Cold water may be used. Get medical attention if irritation occurs. Wash with soap and water. Cover the irritated skin with an emollient. Get medical attention if irritation develops. Cold water may be used. Inhalation Serious Inhalation If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical attention. Ingestion Serious Ingestion Do NOT induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. If large quantities of this material are swallowed, call a physician immediately. Loosen tight clothing such as a collar, tie, belt or waistband. Section 5. Fire and Explosion Data Flammability of the Product Auto-Ignition Temperature Flash Points Flammable Limits Products of Combustion Fire Hazards in Presence of Various Substances Non-flammable. Explosion Hazards in Presence of Various Substances Risks of explosion of the product in presence of mechanical impact: Risks of explosion of the product in presence of static discharge: Fire Fighting Media and Instructions Fire Hazards Explosion Hazards Section 6. Accidental Release Measures Small Spill Large Spill Dilute with water and mop up, or absorb with an inert dry material and place in an appropriate waste disposal container. Finish cleaning by spreading water on the contaminated surface and dispose of according to local and regional authority requirements. Absorb with an inert material and put the spilled material in an appropriate waste disposal. Finish cleaning by spreading water on the contaminated surface and allow to evacuate through the sanitary system.
Buffer Solution, ph 5. Page Number: 3 Section 7. Handling and Storage Precautions Storage Keep container dry. Do not breathe gas/fumes/ vapor/spray. Avoid contact with skin. Never add water to this product. Wear suitable protective clothing. If you feel unwell, seek medical attention and show the label when possible. Keep container tightly closed. Keep container in a cool, well-ventilated area. Section 8. Exposure Controls/Personal Protection Engineering Controls Personal Protection Provide exhaust ventilation or other engineering controls to keep the airborne concentrations of vapors below their respective threshold limit value. Safety glasses. Lab coat. Gloves. Personal Protection in Case of a Large Spill Exposure Limits Splash goggles. Full suit. Boots. Gloves. Suggested protective clothing might not be sufficient; consult a specialist BEFORE handling this product. Section 9. Physical and Chemical Properties Physical state and appearance Liquid. Odor Molecular Weight ph (1% soln/water) Neutral. Taste Color Boiling Point The lowest known value is 1 C (212 F) (Water). Melting Point Critical Temperature Specific Gravity Weighted average: 1 (Water = 1) Vapor Pressure Vapor Density Volatility Odor Threshold Water/Oil Dist. Coeff. Ionicity (in Water) Dispersion Properties Solubility The highest known value is 2.3 kpa (@ 2 C) (Water). The highest known value is.62 (Air = 1) (Water). See solubility in water. Easily soluble in cold water. Section 1. Stability and Data Stability Instability Temperature Conditions of Instability Incompatibility with various substances Corrosivity The product is stable. Non-corrosive in presence of glass.
Buffer Solution, ph 5. Page Number: 4 Corrosivity Polymerization Will not occur. Section 11. Toxicological Information Routes of Entry Toxicity to Animals Chronic Effects on Humans Other Toxic Effects on Humans Toxicity to Animals Chronic Effects on Humans other Toxic Effects on Humans LD5: LC5: Slightly hazardous in case of skin contact (irritant), of ingestion, of inhalation. Section 12. Ecological Information Ecotoxicity BOD5 and COD Products of Biodegradation Toxicity of the Products of Biodegradation the Products of Biodegradation Possibly hazardous short term degradation products are not likely. However, long term degradation products may arise. The products of degradation are more toxic. Section 13. Disposal Considerations Waste Disposal Section 14. Transport Information DOT Classification Identification Not a DOT controlled material (United States). Special Provisions for Transport DOT
Buffer Solution, ph 5. Page Number: 5 Section 15. Other Regulatory Information and Pictograms Federal and State Regulations Pennsylvania RTK: Sodium hydroxide Massachusetts RTK: Sodium hydroxide TSCA 8(b) inventory: Potassium biphthalate; Sodium hydroxide; Water California Proposition 65 Warnings Other Regulations OSHA: Hazardous by definition of Hazard Communication Standard (29 CFR 191.12). Other Classifications WHMIS (Canada) DSCL (EEC) CLASS D-2A: Material causing other toxic effects (VERY TOXIC). This product is not classified according to the EU regulations. HMIS (U.S.A.) Health Hazard Fire Hazard Personal Protection 1 b National Fire Protection Association (U.S.A.) Health 1 Flammability Specific hazard WHMIS (Canada) DSCL (Europe) TDG (Canada) ADR (Europe) Protective Equipment Gloves. Lab coat. Wear appropriate respirator when ventilation is inadequate. Safety glasses.
Buffer Solution, ph 5. Page Number: 6 Section 16. Other Information MSDS Code References Other Special Considerations BUF5 Validated by Sonia Owen on 8/11/26. Verified by Sonia Owen. Printed 9/11/26. CALL (31) 516-8 Notice to Reader All chemicals may pose unknown hazards and should be used with caution. This Material Safety Data Sheet (MSDS) applies only to the material as packaged. If this product is combined with other materials, deteriorates, or becomes contaminated, it may pose hazards not mentioned in this MSDS. It shall be the user's responsibility to develop proper methods of handling and personal protection based on the actual conditions of use. While this MSDS is based on technical data judged to be reliable, Spectrum Quality Products, Inc. assumes no responsibility for the completeness or accuracy of the information contained herein.