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Sodium Thiosulfate SDS (Powder) - Aqua Management Partners

January 17, 2022by AMP
Sodium Thiosulfate, Pentahydrate Safety Data Sheet according to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations Date of issue: 03/07/2005 Revision date: 04/25/2018Supersedes: 07/09/2013 Version: 1.1 04/25/2018
EN (English US) Page 1 SECTION 1: Identification 1.1. Identification Product form : Substance Substance name : Sodium Thiosulfate, Pentahydrate CAS-No. : 10102-17-7 Product code : LC24990 Formula : Na2S2O3·5H2O 1.2. Recommended use and restrictions on use Use of the substance/mixture : For laboratory and manufacturing use only. Recommended use : Laboratory chemicals Restrictions on use : Not for food, drug or household use 1.3. Supplier LabChem Inc Jackson’s Pointe Commerce Park Building 1000, 1010 Jackson’s Pointe Court Zelienople, PA 16063 – USA T 412-826-5230 – F 724-473-0647 info@labchem.com – www.labchem.com1.4. Emergency telephone number Emergency number : CHEMTREC: 1-800-424-9300 or +1-703-741-5970 SECTION 2: Hazard(s) identification 2.1. Classification of the substance or mixture GHS-US classification Not classified 2.2. GHS Label elements, including precautionary statements Not classified as a hazardous chemical. Other hazards not contributing to the classification : None. 2.4. Unknown acute toxicity (GHS US) Not applicable SECTION 3: Composition/Information on ingredients 3.1. Substances Substance type : Mono-constituent NameProduct identifier%GHS-US classificationSodium Thiosulfate, Pentahydrate (Main constituent) (CAS-No.)10102-17-7100 Not classified Full text of hazard classes and H-statements : see section 16 3.2. Mixtures Not applicable SECTION 4: First-aid measures 4.1. Description of first aid measures First-aid measures general : Never give anything by mouth to an unconscious person. If you feel unwell, seek medical advice (show the label where possible). First-aid measures after inhalation : Allow victim to breathe fresh air. Allow the victim to rest. First-aid measures after skin contact : Remove affected clothing and wash all exposed skin area with mild soap and water, followed by warm water rinse. First-aid measures after eye contact : Rinse immediately with plenty of water. Obtain medical attention if pain, blinking or redness persists. First-aid measures after ingestion : Rinse mouth. Do NOT induce vomiting. Obtain emergency medical attention.

Sodium Thiosulfate, Pentahydrate Safety Data Sheetaccording to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations04/25/2018 EN (English US) 2/6 4.2. Most important symptoms and effects (acute and delayed) Symptoms/effects : Not expected to present a significant hazard under anticipated conditions of normal use. 4.3. Immediate medical attention and special treatment, if necessary No additional information available SECTION 5: Fire-fighting measures 5.1. Suitable (and unsuitable) extinguishing media Suitable extinguishing media : Foam. Dry powder. Carbon dioxide. Water spray. Sand. Unsuitable extinguishing media : Do not use a heavy water stream. 5.2. Specific hazards arising from the chemical Reactivity : Product is not explosive. 5.3. Special protective equipment and precautions for fire-fighters Firefighting instructions : Use water spray or fog for cooling exposed containers. Exercise caution when fighting any chemical fire. Prevent fire-fighting water from entering environment. Protection during firefighting : 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 6.1.1. For non-emergency personnel Protective equipment : Safety glasses. Emergency procedures : Evacuate unnecessary personnel. 6.1.2. For emergency responders Protective equipment : Equip cleanup crew with proper protection. Emergency procedures : Ventilate area. 6.2. Environmental precautions Prevent entry to sewers and public waters. Notify authorities if liquid enters sewers or public waters. 6.3. Methods and material for containment and cleaning up Methods for cleaning up : On land, sweep or shovel into suitable containers. Minimize generation of dust. Store away from other materials. 6.4. 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 : 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 vapor. Hygiene measures : Wash contaminated clothing before reuse. 7.2. Conditions for safe storage, including any incompatibilities Storage conditions : Keep container closed when not in use. Incompatible products : Strong oxidizers. Incompatible materials : Direct sunlight. Air and moisture sensitive. Hygroscopic. SECTION 8: Exposure controls/personal protection 8.1. Control parameters No additional information available 8.2. Appropriate engineering controls Appropriate engineering controls : Emergency eye wash fountains should be available in the immediate vicinity of any potential exposure.

Sodium Thiosulfate, Pentahydrate Safety Data Sheetaccording to Federal Register / Vol. 77, No. 58 / Monday, March 26, 2012 / Rules and Regulations04/25/2018 EN (English US) 3/6 8.3. Individual protection measures/Personal protective equipment Personal protective equipment:Safety glasses. Hand protection: Wear protective gloves.Eye protection: Chemical goggles or safety glassesRespiratory protection: Respiratory protection not required in normal conditionsOther information: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 : Solid Appearance : Crystalline solid. Color : Colourless or white Odor : Odorless Odor threshold : No data available pH : No data available pH solution : 6 – 8.4 5% solution Melting point : 45 °C Freezing point : No data available Boiling point : 100 °C Flash point : No data available Relative evaporation rate (butyl acetate=1) : No data available Flammability (solid, gas) : Non flammable. Vapor pressure : No data available Relative vapor density at 20 °C : No data availableRelative density : No data available Specific gravity / density : 1.73 g/cm³ Molecular mass : 248.18 g/mol Solubility : Soluble in water. Soluble in ammonia. Insoluble in organic solvents. Water: 79.4 g/100ml Log Pow : -4.35 Auto-ignition temperature : No data available Decomposition temperature : No data available Viscosity, kinematic : No data available Viscosity, dynamic : No data available Explosion limits : No data available Explosive properties : Not applicable. Oxidizing properties : None. 9.2. Other information No additional information available

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