3.1. Substance Not applicable Full text of H-phrases: see section Mixture Name Product identifier % GHS-US classification

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1 Date of issue: 12/05/2013 Version: 1.0 SECTION 1: Identification of the substance/mixture and of the company/undertaking 1.1. Product identifier Product form : Mixture Product name : Buffer Solution ph 9.18 Product code : LC Relevant identified uses of the substance or mixture and uses advised against Use of the substance/mixture : For laboratory and manufacturing use only Details of the supplier of the safety data sheet LabChem Inc Jackson's Pointe Commerce Park Building 1000, 1010 Jackson's Pointe Court Zelienople, PA USA T F info@labchem.com Emergency telephone number Emergency number : CHEMTREC: or SECTION 2: Hazards identification 2.1. Classification of the substance or mixture GHS-US classification Repr. 1B H Label elements GHS-US labelling Hazard pictograms (GHS-US) : Signal word (GHS-US) Hazard statements (GHS-US) Precautionary statements (GHS-US) GHS08 : Danger : H360 - May damage fertility or the unborn child : P201 - Obtain special instructions before use P202 - Do not handle until all safety precautions have been read and understood P280 - Wear protective gloves, 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 2.3. Other hazards Other hazards not contributing to the classification 2.4. Unknown acute toxicity (GHS-US) No data available : None. SECTION 3: Composition/information on ingredients 3.1. Substance Not applicable Full text of H-phrases: see section Mixture Name Product identifier % GHS-US classification Water (CAS No) Not classified Sodium Tetraborate Decahydrate (CAS No) Repr. 1B, H360 12/05/2013 EN (English) Page 1

2 SECTION 4: First aid measures 4.1. Description of first aid measures First-aid measures general First-aid measures after inhalation First-aid measures after skin contact First-aid measures after eye contact First-aid measures after ingestion : Never give anything by mouth to an unconscious person. IF exposed or concerned: Get medical advice/attention. : Assure fresh air breathing. Allow the victim to rest. : Remove affected clothing and wash all exposed skin area with mild soap and water, followed by warm water rinse. : Rinse immediately with plenty of water. Obtain medical attention if pain, blinking or redness persist. : Rinse mouth. Do NOT induce vomiting. Obtain emergency medical attention Most important symptoms and effects, both acute and delayed Symptoms/injuries : May damage fertility or the unborn child Indication of any immediate medical attention and special treatment needed SECTION 5: Firefighting measures 5.1. Extinguishing media Suitable extinguishing media : Foam. Dry powder. Carbon dioxide. Water spray. Sand. Unsuitable extinguishing media : Do not use a heavy water stream Special hazards arising from the substance or mixture 5.3. Advice for firefighters Firefighting instructions Protection during firefighting : Use water spray or fog for cooling exposed containers. Exercise caution when fighting any chemical fire. Avoid (reject) fire-fighting water to enter environment. : Do not enter fire area without proper protective equipment, including respiratory protection. SECTION 6: Accidental release measures 6.1. Personal precautions, protective equipment and emergency procedures For non-emergency personnel Protective equipment : Safety glasses. Gloves. Emergency procedures : Evacuate unnecessary personnel For emergency responders Protective equipment Emergency procedures : Equip cleanup crew with proper protection. : Ventilate area Environmental precautions Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters Methods and material for containment and cleaning up Methods for cleaning up : Soak up spills with inert solids, such as clay or diatomaceous earth as soon as possible. Collect spillage. Store away from other materials Reference to other sections See Heading 8. Exposure controls and personal protection. SECTION 7: Handling and storage 7.1. Precautions for safe handling Precautions for safe handling Hygiene measures 7.2. Conditions for safe storage, including any incompatibilities Storage conditions : Keep container closed when not in use. Incompatible products : Strong oxidizers. Strong acids. Incompatible products : incompatible materials. Heat sources. : 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 vapour. Do not handle until all safety precautions have been read and understood. Obtain special instructions before use. : Wash contaminated clothing before reuse. 12/05/2013 EN (English) 2/6

3 7.3. Specific end use(s) SECTION 8: Exposure controls/personal protection 8.1. Control parameters USA ACGIH ACGIH TWA (mg/m³) 2 mg/m³ USA ACGIH ACGIH STEL (mg/m³) 6 mg/m³ 8.2. Exposure controls Appropriate engineering controls Personal protective equipment Hand protection Eye protection Respiratory protection : Emergency eye wash fountains and safety showers should be available in the immediate vicinity of any potential exposure. Provide adequate general and local exhaust ventilation. : Avoid all unnecessary exposure. : Wear protective gloves. : Chemical goggles or safety glasses. : Wear appropriate mask. : Do not eat, drink or smoke during use. SECTION 9: Physical and chemical properties 9.1. Information on basic physical and chemical properties Physical state : Liquid Colour : Colourless. Odour : characteristic. Odour threshold ph : 9.18 Relative evaporation rate (butylacetate=1) Melting point Freezing point Boiling point Flash point Self ignition temperature Decomposition temperature Flammability (solid, gas) Vapour pressure Relative vapour density at 20 C Relative density Solubility Log Pow Log Kow Viscosity, kinematic Viscosity, dynamic Explosive properties Oxidising properties Explosive limits 9.2. SECTION 10: Stability and reactivity Reactivity Chemical stability Stable under normal conditions. 12/05/2013 EN (English) 3/6

4 10.3. Possibility of hazardous reactions Conditions to avoid Incompatible materials. Extremely high or low temperatures Incompatible materials Strong acids. Strong oxidizers Hazardous decomposition products boron. SECTION 11: Toxicological information Information on toxicological effects Acute toxicity LD50 oral rat LD50 dermal rabbit LD50 oral rat Skin corrosion/irritation Serious eye damage/irritation Respiratory or skin sensitisation Germ cell mutagenicity Carcinogenicity Reproductive toxicity Specific target organ toxicity (single exposure) 2660 mg/kg mg/kg mg/kg ph: 9.18 ph: 9.18 : May damage fertility or the unborn child. Specific target organ toxicity (repeated exposure) Aspiration hazard Potential Adverse human health effects and symptoms : Based on available data, the classification criteria are not met. SECTION 12: Ecological information Toxicity EC50 Daphnia mg/l Persistence and degradability Buffer Solution ph 9.18 Persistence and degradability Persistence and degradability Persistence and degradability Bioaccumulative potential Buffer Solution ph 9.18 Bioaccumulative potential Bioaccumulative potential 12/05/2013 EN (English) 4/6

5 Bioaccumulative potential Mobility in soil Other adverse effects : Avoid release to the environment. SECTION 13: Disposal considerations Waste treatment methods Waste disposal recommendations : Dispose of contents/container to comply with local, state and federal regulations. Ecology - waste materials : Avoid release to the environment. SECTION 14: Transport information In accordance with DOT No dangerous good in sense of transport regulations Additional information : No supplementary information available. ADR Transport document description : Transport by sea Air transport SECTION 15: Regulatory information US Federal regulations Listed on the United States TSCA (Toxic Substances Control Act) inventory Listed on the United States TSCA (Toxic Substances Control Act) inventory International regulations CANADA Buffer Solution ph 9.18 WHMIS Classification Class D Division 2 Subdivision A - Very toxic material causing other toxic effects Listed on the Canadian DSL (Domestic Sustances List) inventory. WHMIS Classification Class D Division 2 Subdivision A - Very toxic material causing other toxic effects WHMIS Classification Uncontrolled product according to WHMIS classification criteria EU-Regulations Classification according to Regulation (EC) No. 1272/2008 [CLP] Classification according to Directive 67/548/EEC or 1999/45/EC Not classified 12/05/2013 EN (English) 5/6

6 National regulations Listed on the Canadian Ingredient Disclosure List US State regulations SECTION 16: : None. Full text of H-phrases: see section 16: Repr. 1B Reproductive toxicity, Category 1B H360 May damage fertility or the unborn child NFPA health hazard NFPA fire hazard NFPA reactivity : 2 - Intense or continued exposure could cause temporary incapacitation or possible residual injury unless prompt medical attention is given. : 0 - Materials that will not burn. : 0 - Normally stable, even under fire exposure conditions, and are not reactive with water. HMIS III Rating Health Flammability Physical Personal Protection : 2 Moderate Hazard - Temporary or minor injury may occur : 0 Minimal Hazard : 0 Minimal Hazard : B SDS US (GHS HazCom 2012) Information in this SDS is from available published sources and is believed to be accurate. No warranty, express or implied, is made and LabChem Inc assumes no liability resulting from the use of this SDS. The user must determine suitability of this information for his application. 12/05/2013 EN (English) 6/6