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104952 Potassium chromate

for analysis EMSURE® ACS,Reag. Ph Eur

Potassium chromate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: chromic acid potassium salt

Hill Formula: CrK₂O₄ Molar Mass: 194.19 g/mol EC Number: 232-140-5 Chemical Formula: K₂CrO₄ CAS #: 7789-00-6 Grade: ACS,Reag. Ph Eur
104952
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Overview

Replacement Information

Key Specifications 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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          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
          Quality LevelMQ300
          Applications
          Biological Information
          Physicochemical Information
          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 Pictogram(s)
          Hazard Pictogram(s)
          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.
          Signal WordDanger
          Storage class6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
          WGKWGK 3 highly hazardous to water
          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 Hazard SymbolsDangerous for the environment
          Hazard SymbolsToxic
          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 at +2°C to +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 %
          Sulfate (SO₄)≤ 0.01 %
          Ca (Calcium)≤ 0.005 %
          Na (Sodium)≤ 0.02 %
          Pb (Lead)≤ 0.005 %

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          Analytics and Sample Preparation > Analytical Sample Preparation > Dissolution / Digestion
          Analytics and Sample Preparation > Reagents for Pharmacopoeia Analysis > Salts for Pharmacopoeia Analysis