Safety data sheet. according to Regulation (EC) No 1907/2006 (REACH) Printing date Version number 1

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1 Page 1/5 1 Identification of the substance/mixture and of the company/undertaking Product identifier Trade name: Buffer solution Thiel, Schulz & Coch ph 4,0 Relevant identified uses of the substance or mixture and uses advised against: Product category: PC21 Laboratory chemicals Process category: PROC15 Use as laboratory reagent Application of the substance / the preparation: Water analysis Manufacturer/Supplier: Sensortechnik Meinsberg GmbH Meinsberg, Kurt-Schwabe-Straße 6 D Waldheim Deutschland Tel. +49 (0) Further information obtainable from: info@meinsberg.de Emergency telephone number: Hazards identification Classification of the substance or mixture Classification according to Regulation (EC) No 1272/2008: The product is not classified according to the CLP regulation. Classification according to Directive 67/548/EEC or Directive 1999/45/EC: Label elements: Labelling according to Regulation (EC) No 1272/2008: Hazard pictograms: Signal word: Hazard statements: Additional information: available on request. 3 Composition/information on ingredients Chemical characterization: Description: Aqueous solution Dangerous components: CAS: EINECS: Index number: CAS: EINECS: Index number: boric acid?@f?@f T Repr. Cat. 2 R60-61 ~ Repr. 1B, H360FD Disodium tetraborate, decahydrate?@f?@f T Repr. Cat. 2 R60-61 ~ Repr. 1B, H360FD 1 - <5% 0,1-<1% SVHC Additional information: For the wording of the listed risk phrases refer to section First aid measures Description of first aid measures After inhalation: Supply fresh air. (Contd. on page 2)

2 Page 2/5 (Contd. of page 1) After skin contact: Wash off with water. After eye contact: Rinse opened eye for several minutes under running water. If symptoms persist, consult a doctor. After swallowing: If symptoms persist consult doctor. Information for doctor: Most important symptoms and effects, both acute and delayed No further relevant information available. Indication of any immediate medical attention and special treatment needed No further relevant information available. 5 Firefighting measures Extinguishing media Suitable extinguishing agents: The product is not flammable. Extinguishing agent to suit environment. Special hazards arising from the substance or mixture No further relevant information available. Advice for firefighters Protective equipment: No special measures required. 6 Accidental release measures Personal precautions, protective equipment and emergency procedures No special measurements required when handled properly. Environmental precautions: Do not allow larger amounts to enter sewer, surface waters or ground water. Methods and material for containment and cleaning up: Absorb with liquid-binding material (sand, diatomite, acid binders, universal binders, sawdust). Wash off residuals with water. 7 Handling and storage Handling: Precautions for safe handling No special precautions are necessary if used correctly. Information about fire - and explosion protection: No special measures required. Conditions for safe storage, including any incompatibilities Storage: Requirements to be met by storerooms and receptacles: No special requirements. Information about storage in one common storage facility: Not required. Further information about storage conditions: Keep container tightly sealed. Specific end use(s) No further relevant information available. 8 Exposure controls/personal protection Additional information about design of technical facilities: No further data; see item 7. Control parameters Ingredients with limit values that require monitoring at the workplace: The product does not contain any relevant quantities of materials with critical values that have to be monitored at the workplace. Additional information: The lists valid during the making were used as basis. Exposure controls Personal protective equipment: General protective and hygienic measures: Avoid contact with the eyes and skin. Change contaminated clothing. Wash hands before breaks and at the end of work. Respiratory protection: Not required. Protection of hands: Protective gloves recommended for frequent or long-term skin contact. Material of gloves Nitrile rubber, NBR Eye protection: Safety glasses (Contd. on page 3)

3 Page 3/5 9 Physical and chemical properties Information on basic physical and chemical properties General Information Appearance: Form: Colour: Odour: ph-value at 25 C: 4,0 Fluid Colourless Odourless Change in condition Melting point/melting range: ca. 0 C Boiling point/boiling range: ca. 100 C Flash point: Self-igniting: Danger of explosion: Vapour pressure: Density: Product is not selfigniting. Product does not present an explosion hazard. Not determined. ca. 1,0 g/cm³ Solubility in / Miscibility with water: Fully miscible. Other information No further relevant information available. 10 Stability and reactivity Reactivity Chemical stability Thermal decomposition / conditions to be avoided: No decomposition if used according to specifications. Possibility of hazardous reactions No dangerous reactions known. Conditions to avoid No further relevant information available. Incompatible materials: No further relevant information available. 11 Toxicological information Information on toxicological effects Acute toxicity: LD/LC50 values relevant for classification: Oral LD mg/kg (Rat) (RTECS) Dermal LD50 >2000 mg/kg (Rat) (IUCLID) Oral LD mg/kg (Rat) (RTECS) Dermal LD50 >2000 mg/kg (Rat) (IUCLID) Primary irritant effect: on the skin: No irritant effect. on the eye: No irritating effect. Sensitization: No sensitizing effects known. (Contd. of page 2) Additional toxicological information: The product is not subject to classification according to the calculation method of the General Classification Guidelines for Preparations as issued in the latest version. (Contd. on page 4)

4 Page 4/5 12 Ecological information Toxicity Aquatic toxicity: EC mg/l, 48 h (Daphnia magna) (ECOTOX Database) LC mg/l, 96 h (Oncorhynchus mykiss) (ECOTOX Database) EC mg/l, 48 h (Daphnia magna) (IUCLID) LC mg/l, 72 h (Carassius auratus) (IUCLID) Persistence and degradability No further relevant information available. Behaviour in environmental systems: Bioaccumulative potential No further relevant information available. Mobility in soil No further relevant information available. Additional ecological information: General notes: Water hazard class 1 (German Regulation) (Self-assessment): slightly hazardous for water Do not allow undiluted product or large quantities of it to reach ground water, water course or sewage system. Other adverse effects No further relevant information available. 13 Disposal considerations (Contd. of page 3) Waste treatment methods Recommendation Disposal must comply with the relevant national regulations. We recommend that you contact either the authorities in charge or approved waste disposal companies which will advise you on how to dispose the special waste. Uncleaned packaging: Recommendation: Empty contaminated packagings thoroughly. They may be recycled after thorough and proper cleaning. Packagings that may not be cleansed are to be disposed of in the same manner as the product. Recommended cleansing agents: Water, if necessary together with cleansing agents. 14 Transport information UN-Number UN proper shipping name Transport hazard class(es) Class Packing group ADR, IMDG, IATA Environmental hazards: Transport in bulk according to Annex II of MARPOL73/78 and the IBC Code UN "Model Regulation": - (Contd. on page 5)

5 Page 5/5 15 Regulatory information Safety, health and environmental regulations/legislation specific for the substance or mixture National regulations: Other regulations, limitations and prohibitive regulations Substances of very high concern (SVHC) according to REACH, Article 57 Chemical safety assessment: A Chemical Safety Assessment has not been carried out. 16 Other information Relevant phrases H360FD May damage fertility. May damage the unborn child. (Contd. of page 4) R60 May impair fertility. R61 May cause harm to the unborn child. Abbreviations and acronyms: ADR: Accord européen sur le transport des marchandises dangereuses par Route (European Agreement concerning the International Carriage of Dangerous Goods by Road) IMDG: International Maritime Code for Dangerous Goods IATA: International Air Transport Association GHS: Globally Harmonized System of Classification and Labelling of Chemicals EINECS: European Inventory of Existing Commercial Chemical Substances ELINCS: European List of Notified Chemical Substances CAS: Chemical Abstracts Service (division of the American Chemical Society) LC50: Lethal concentration, 50 percent LD50: Lethal dose, 50 percent