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104952 | Potassium chromate

104952
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      Overview

      Replacement Information

      Key Spec Table

      CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
      7789-00-6 232-140-5 CrK₂O₄ K₂CrO₄ 194.19 g/mol ACS,Reag. Ph Eur

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      1049520250
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          Plastic bottle 250 g
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          1049521000
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              Plastic bottle 1 kg
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              Description
              Catalogue Number104952
              Synonymschromic acid potassium salt
              References
              Product Information
              CAS number7789-00-6
              EC index number024-006-00-8
              EC number232-140-5
              GradeACS,Reag. Ph Eur
              Hill FormulaCrK₂O₄
              Chemical formulaK₂CrO₄
              Molar Mass194.19 g/mol
              HS Code2841 50 00
              Applications
              ApplicationPotassium chromate for analysis EMSURE® ACS,Reag. Ph Eur. Potassium chromate CAS No. 7789-00-6, EC Number 232-140-5. Potassium chromate MSDS (material safety data sheet) or SDS here.
              Biological Information
              Physicochemical Information
              Boiling point1000 °C
              Density2.73 g/cm3 (18 °C)
              Melting Point985 °C
              pH value9.0 - 9.8 (50 g/l, H₂O, 20 °C)
              Bulk density1400 kg/m3
              Solubility637 g/l
              Dimensions
              Materials Information
              Toxicological Information
              Safety Information according to GHS
              Hazard Pictogram(s)


              Hazard Statement(s)H340: May cause genetic defects.
              H350i: May cause cancer by inhalation.
              H315: Causes skin irritation.
              H317: May cause an allergic skin reaction.
              H319: Causes serious eye irritation.
              H335: May cause respiratory irritation.
              H410: Very toxic to aquatic life with long lasting effects.
              Precautionary Statement(s)P201: Obtain special instructions before use.
              P273: Avoid release to the environment.
              P280: Wear protective gloves.
              P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
              P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              P308 + P313: IF exposed or concerned: Get medical advice/ attention.
              Storage class6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
              WGKWGK 3 highly water endangering
              Disposal22
              Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
              Safety Information
              Hazard Symbols Toxic
              Dangerous for the environment
              Categories of dangercarcinogenic, mutagenic, irritant, sensitizing, dangerous for the environment
              R PhraseR 49-46-36/37/38-43-50/53
              May cause cancer by inhalation.May cause heritable genetic damage.Irritating to eyes, respiratory system and skin.May cause sensitisation by skin contact.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
              S PhraseS 53-45-60-61
              Avoid exposure - obtain special instructions before use.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
              Product Usage Statements
              Storage and Shipping Information
              StorageStore below +30°C.
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDUN 3288 , 6.1, II
              Declaration (transport by air) IATA-DGRUN 3288 , 6.1, II
              Declaration (transport by sea) IMDG-CodeUN 3288 , 6.1, II
              Supplemental Information
              Specifications
              Assay (iodometric)≥ 99.5 %
              In water insoluble matter≤ 0.005 %
              pH-value (5 %; water)9.0 - 9.8
              Chloride (Cl)≤ 0.001 %
              Sulphate (SO₄)≤ 0.01 %
              Ca (Calcium)≤ 0.005 %
              Na (Sodium)≤ 0.02 %
              Pb (Lead)≤ 0.005 %

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              Categories

              Reagents, Chemicals and Labware > Inorganic Reagents > Classical Inorganic Analysis > Salts EMSURE®, EMPLURA®
              Analytics and Sample Preparation > Analytical Sample Preparation > Dissolution / Digestion
              Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Salts for Pharmacopoeia Analysis