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101961 | Potassium tetraoxalate dihydrate

101961
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaMolar Mass
      6100-20-5 204-874-6 C₄H₃KO₈ * 2 H₂O 254.20 g/mol

      Pricing & Availability

      Catalogue NumberAvailability Packaging Qty/Pack Price Quantity
      1019610025
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          Glas bottle pre packed 25 g
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          Description
          Catalogue Number101961
          SynonymsPotassium hydrogen oxalate-oxalic acid-water (1/1/2)
          References
          Product Information
          CAS number6100-20-5
          EC index number607-007-00-3
          EC number204-874-6
          Hill FormulaC₄H₃KO₈ * 2 H₂O
          Molar Mass254.20 g/mol
          HS Code2917 11 00
          Applications
          ApplicationPotassium tetraoxalate dihydrate certified secondary standard reference material for pH measurement; directly traceable to primary reference material from NIST/PTB pH (S) = 1.67₉ (25°C) Certipur®. pH 1.7 (12.6 g/l, H₂O, 25 °C). MSDS and product info below.
          Biological Information
          Physicochemical Information
          Density1.84 g/cm3 (20 °C)
          pH value1.7 (12.6 g/l, H₂O, 25 °C)
          Bulk density860 kg/m3
          Solubility25 g/l
          Dimensions
          Materials Information
          Toxicological Information
          Safety Information according to GHS
          Hazard Pictogram(s)
          Hazard Statement(s)H302 + H312: Harmful if swallowed or in contact with skin
          Precautionary Statement(s)P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
          Storage class10 - 13 Other liquids and solids
          WGKWGK 1 slightly water endangering
          Disposal3
          Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
          Safety Information
          Hazard Symbols Harmful
          Categories of dangerharmful
          R PhraseR 21/22
          Harmful in contact with skin and if swallowed.
          S PhraseS 24/25
          Avoid contact with skin and eyes.
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +15°C to +25°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDKein Gefahrgut
          Declaration (transport by air) IATA-DGRNo Dangerous Good
          Declaration (transport by sea) IMDG-CodeNo Dangerous Good
          Supplemental Information
          Specifications
          pH-value (25 °C)1.674 - 1.683

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          Categories

          Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement
          Reagents, Chemicals and Labware > Inorganic Reagents > Instrumental Inorganic Analysis > Certipur® Standards, Reference Materials and Buffers > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances
          Analytics and Sample Preparation > Reference Materials > Certipur® Reference Material for Reliable Calibration in pH Measurement > Certified Secondary Reference Buffer Solutions and Substances