Ref IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING

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1 This SDS adheres to the standards and regulatory requirements of Great Britain and may not meet the regulatory requirements in other countries. 1. IDENTIFICATION OF THE SUBSTANCE/MIXTURE AND OF THE COMPANY/UNDERTAKING Product identifier Product name : Relevant identified uses of the substance or mixture and uses advised against Use of the Substance/Mixture : Biocides Details of the supplier of the safety data sheet Company : Du Pont de Nemours (Nederland) B.V. Baanhoekweg 22 NL-3313 LA Dordrecht Netherlands Telephone : Telefax : address : sds-support@che.dupont.com Emergency telephone number Emergency telephone number Supplier : +44-(0) : International Dioxcide, Inc., A DuPont Subsidiary, 40 Whitecap Drive, North Kingstown, RI HAZARDS IDENTIFICATION Classification of the substance or mixture Harmful Irritant Dangerous for the environment R22: Harmful if swallowed. R41: Risk of serious damage to eyes. R50: Very toxic to aquatic organisms. R32: Contact with acids liberates very toxic gas. Label elements Harmful Dangerous for the environment R22 Also harmful if swallowed. 1/8

2 R32 R41 R50 S14 S17 S26 S36/37/39 S61 Contact with acids liberates very toxic gas. Risk of serious damage to eyes. Very toxic to aquatic organisms. Keep away from easily oxidizable materials. Keep away from combustible material. In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. Avoid release to the environment. Refer to special instructions/ Safety data sheets. Other hazards 3. COMPOSITION/INFORMATION ON INGREDIENTS Substances not applicable Mixtures Registration number Classification according Directive 67/548/EEC Classification according Regulation 1272/2008 (CLP) Concentration Sodium chlorite (CAS-No ) (EC-No ) Xn;R22 Acute Tox. 4; H302 R32 Skin Irrit. 2; H315 Xi;R38 Eye Dam. 1; H318 R41 Aquatic Acute 1; H400 N;R % Water (CAS-No ) (EC-No ) >= 90 - <= 95 % For the full text of the R-phrases mentioned in this Section, see Section 16. For the full text of the H-Statements mentioned in this Section, see Section FIRST AID MEASURES Description of first aid measures Inhalation : Move to fresh air. If not breathing, give artificial respiration. Call a poison control center or doctor for treatment advice. Skin contact : Take off contaminated clothing and shoes immediately. Wash off immediately with plenty of water. Call a poison control center or doctor for treatment advice. Eye contact : Rinse immediately with plenty of water and seek medical advice. Ingestion : Call a poison control center or doctor for treatment advice. Do not 2/8

3 induce vomiting without medical advice. Never give anything by mouth to an unconscious person. Most important symptoms and effects, both acute and delayed Risks : Probable mucosal damage may contraindicate the use of gastric lavage. Symptoms : Cough, Excessive lachrymation, Discomfort, Irritation, Nausea, Pain, Weakness, Redness, Itching, Vomiting Indication of any immediate medical attention and special treatment needed 5. FIRE-FIGHTING MEASURES Extinguishing media Suitable extinguishing media : Water Special hazards arising from the substance or mixture Specific hazards during fire fighting : Drying of this product on clothing or combustible materials may cause fire. Advice for firefighters Special protective equipment for fire-fighters : Wear self-contained breathing apparatus (SCBA). Wear suitable protective equipment. 6. ACCIDENTAL RELEASE MEASURES Personal precautions, protective equipment and emergency procedures Personal precautions : Evacuate personnel to safe areas. Environmental precautions Environmental precautions : Prevent material from entering sewers, waterways, or low areas. Do not allow to dry. Methods and materials for containment and cleaning up Methods for cleaning up : Dilute with water. Pick up and transfer to properly labelled containers. After cleaning, flush away traces with water. Reference to other sections not applicable 7. HANDLING AND STORAGE Precautions for safe handling Advice on safe handling : Use only in well-ventilated areas. 3/8

4 Advice on protection against fire and explosion : Avoid letting the product become dry. Conditions for safe storage, including any incompatibilities Requirements for storage areas and containers Advice on common storage : Keep tightly closed in a dry, cool and well-ventilated place. Keep away from food, drink and animal feedingstuffs. Avoid heat, freezing and ultraviolet light. Do not allow to dry. : Keep away from: Strong acids and oxidizing agents Specific end uses 8. EXPOSURE CONTROLS/PERSONAL PROTECTION Control parameters If sub-section is empty then no values are applicable. Exposure controls Engineering measures Eye protection : Ensure adequate ventilation, especially in confined areas. : Wear coverall chemical splash goggles. Additionally wear a face shield where the possibility exists for face contact due to splashing, spraying or airborne contact with this material. Hand protection : Impervious gloves Skin and body protection Protective measures Hygiene measures Respiratory protection : Where there is potential for skin contact, have available and wear as appropriate, impervious gloves, apron, pants, jacket, hood and boots. : Avoid exposure - obtain special instructions before use. Wear suitable gloves and eye/face protection. : Avoid contact with skin, eyes and clothing. Wash hands before breaks and at the end of workday. : Where there is potential for airborne exposures in excess of applicable limits, wear approved respiratory protection with dust/mist cartridge. 9. PHYSICAL AND CHEMICAL PROPERTIES Information on basic physical and chemical properties Form Colour Odour : liquid : light yellow : odourless, slight chlorine ph : 9,0-9,2 4/8

5 Crystallization temperature : ca. -5 C Freezing point : ca. -10 C Boiling point : ca. 105 C Flash point Thermal decomposition : does not flash : Stable under normal conditions., Decomposes on heating. Relative density : 1,065-1,095 at 20 C Water solubility : completely soluble Other information 10. STABILITY AND REACTIVITY Reactivity Chemical stability Possibility of hazardous reactions Conditions to avoid Incompatible materials Hazardous decomposition products : Decomposes on heating., Stable under normal conditions. : Contact with acids, organic materials, reducing agents and oxidizing agents will release toxic gases of chlorine and/or chlorine dioxide. : : Strong acids and oxidizing agents Organic materials chlorinated compounds Reducing agents : 11. TOXICOLOGICAL INFORMATION Information on toxicological effects Acute oral toxicity LD50 / rat : mg/kg LD50 / rat : 284 mg/kg Acute inhalation toxicity LC50 / rat : > 6,53 mg/l Acute dermal toxicity LD50 / rat : > mg/kg Skin irritation 5/8

6 irritating irritant Eye irritation Eye irritation irritant Carcinogenicity assessment Animal testing did not show any carcinogenic effects. Human experience Excessive exposures may affect human health, as follows: Inhalation Respiratory system: Irritation, Cough Skin contact Discomfort, Irritation, Itching, Redness Eye contact Excessive lachrymation, Damage Ingestion Gastrointestinal tract: Nausea, Pain, Weakness, Vomiting 12. ECOLOGICAL INFORMATION Toxicity Toxicity to fish LC50 / 96 h / Cyprinodon variegatus (sheepshead minnow): 75 mg/l Toxicity to aquatic plants EC50 / 96 h / Desmodesmus subspicatus (green algae): 1,32 mg/l Toxicity to aquatic invertebrates EC50 / 48 h / Daphnia magna (Water flea): 0,0146 mg/l Persistence and degradability 6/8

7 Bioaccumulative potential Mobility in soil Results of PBT and vpvb assessment Other adverse effects Additional ecological information No data is available on the product itself. 13. DISPOSAL CONSIDERATIONS Waste treatment methods Product Contaminated packaging : Dispose of as hazardous waste in compliance with local and national regulations. : Empty containers should be taken to an approved waste handling site for recycling or disposal. If recycling is not practicable, dispose of in compliance with local regulations. 14. TRANSPORT INFORMATION ADR Class: 9 Packaging group: III Classification Code: M6 HI No: 90 UN number: 3082 Labelling No.: 9 Proper shipping name: Environmentally hazardous substance, liquid, n.o.s. (Sodium chlorite) Tunnel restriction code: (E) IATA_C Class: 9 Packaging group: III UN number: 3082 Labelling No.: 9MI Proper shipping name: Environmentally hazardous substance, liquid, n.o.s. (Sodium chlorite) IMDG Class: 9 Packaging group: III UN number: 3082 Labelling No.: 9 Proper shipping name: Environmentally hazardous substance, liquid, n.o.s. (Sodium chlorite, Sodium chlorite) 7/8

8 15. REGULATORY INFORMATION Safety, health and environmental regulations/legislation specific for the substance or mixture Chemical Safety Assessment 16. OTHER INFORMATION Text of R-phrases mentioned in Section 3 R22 R32 R38 R41 R50 Harmful if swallowed. Contact with acids liberates very toxic gas. Irritating to skin. Risk of serious damage to eyes. Very toxic to aquatic organisms. Full text of H-Statements referred to under section 3. H302 H315 H318 H400 Other information Harmful if swallowed. Causes skin irritation. Causes serious eye damage. Very toxic to aquatic life. professional use Significant change from previous version is denoted with a double bar. The information provided in this Safety Data Sheet is correct to the best of our knowledge, information and belief at the date of its publication. The information given is designed only as a guide for safe handling, use, processing, storage, transportation, disposal and release and is not to be considered a warranty or quality specification. The above information relates only to the specific material(s) designated herein and may not be valid for such material(s) used in combination with any other materials or in any process or if the material is altered or processed, unless specified in the text. 8/8