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106277 Sodium arsenite solution

c(NaAsO₂) = 0.05 mol/l (0,1 N) Titripur® Reag. USP

Sodium arsenite solution MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.
CAS #: 7784-46-5 Grade: Reag. USP
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106277
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Overview

Replacement Information

Key Spec Table

CAS #Grade Value
7784-46-5Reag. USP

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      1062771003
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          Description
          Catalogue Number106277
          References
          Product Information
          CAS number7784-46-5
          GradeReag. USP
          HS Code3822 90 00
          Quality LevelMQ200
          Applications
          Biological Information
          Physicochemical Information
          Density1.005 g/m3 (20 °C)
          pH value9.3 (H₂O, 20 °C)
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Statement(s)H350: May cause cancer.
          H412: Harmful to aquatic life with long lasting effects.
          Precautionary Statement(s)P202: Do not handle until all safety precautions have been read and understood.
          P273: Avoid release to the environment.
          P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
          P308 + P313: IF exposed or concerned: Get medical advice/ attention.
          P405: Store locked up.
          P501: Dispose of contents/ container to an approved waste disposal plant.
          Signal WordDanger
          Storage class6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
          WGKWGK 3 highly hazardous to water
          Disposal15
          Heavy metal-containing solutions and solids: container E. Stir Raney nickel (also: Urushibara nickel) in the form of an aqueous suspension into hydrochloric acid (Cat. No. 100312) until dissolved (container E). Neither Raney nickel itself nor any filter residues should be allowed to dry out, otherwise they will spontaneously ignite in air. In this context, heavy metal means any compound of antimony, arsenic, cadmium, chromium(VI), copper, lead, nickel and tin, as well as these subtances in metallic form, if they are classified as hazardous (acc. to AbfallverzeichnisV - Waste Catalogue Ordinance, Appendix 3). Other heavy metals should be collected separately.
          Safety Information
          Categories of dangercarcinogenic, harmful, dangerous for the environment
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +15°C to +25°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 1686 , 6.1, II
          Declaration (transport by air) IATA-DGRUN 1686 , 6.1, II
          Declaration (transport by sea) IMDG-CodeUN 1686 , 6.1, II
          Supplemental Information
          Specifications
          Volumetric solution in accordance to the chapter reagents of the Pharmacopoeia (USP).
          Formliquid
          Amount-of-substance concentration0.04975 - 0.05025 mol/l
          Measurement uncertainty+/- 0.00015
          TraceabilityNIST SRM
          The amount-of-substance concentration of this volumetric solution is analyzed by our quality control laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025.
          The concentration is determined by volumetric titration and refers to 20°C.
          The amount-of-substance concentration of this volumetric solution is determined with standardized iodine solution (article number 1.09099). The iodine solution is standardized by sodium thiosulfate solution (article number 1.09147) which has been standardized against volumetric standard potassium iodate (article number 1.02404).
          This volumetric solution is traceable to a primary standard reference material (SRM) from the National Institute of Standards and Technology, Gaithersburg, USA (NIST SRM 136 potassium dichromate) by means of volumetric standard potassium iodate (article number 1.02404), certified reference material according to ISO 17034, analyzed by our accredited calibration laboratory of Merck KGaA, Darmstadt, Germany according to DIN EN ISO/IEC 17025. The uncertainty is expressed as expanded measurement uncertainty with a coverage factor k=2 covering a confidence level of 95%.
          Note: The titer is a correction factor to correct for variations of the volumetric solution, the titration equipment, the temperature and other laboratory conditions. For correct titration results it is recommended to determine a titer with the laboratory specific equipment and under laboratory specific conditions directly after opening a new bottle and at regular time intervals.
          Global Trade Item Number
          Catalogue Number GTIN
          1062771000 04022536074368
          1062771003 04054839999413

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