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105107 Potassium disulfate (Potassium pyrosulfate)

105107
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Overview

Replacement Information
Replacement InformationIn North America 1.05107.9050 replaces and is identical to PX1581-20
In North America 1.05107.1000 / 105107.5000 replace and are identical to PX1581-1 / PX1581-3 but in different pack sizes

Key Specifications Table

EC NumberHill FormulaMolar MassGrade Value
232-216-8K₂O₇S₂254.33 g/molACS

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1051071000
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      Plastic bottle 1 kg
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      1051075000
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          Plastic bottle 5 kg
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          1051079050
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              Description
              Catalogue Number105107
              ReplacesPX1581; PX1581-1; PX1581-3; PX1581-20; PX1581-5W; PX1581-5
              SynonymsPotassium pyrosulfate
              References
              Product Information
              CAS number7790-62-7
              EC number232-216-8
              GradeACS
              Hill FormulaK₂O₇S₂
              Molar Mass254.33 g/mol
              HS Code2833 29 80
              Quality LevelMQ300
              Applications
              Biological Information
              Physicochemical Information
              Density2.280 g/cm3 (20 °C)
              Melting Point335 °C
              pH value1.0 - 2.0 (25.5 g/l, H₂O, 25 °C)
              Bulk density830 kg/m3
              Dimensions
              Materials Information
              Toxicological Information
              Safety Information according to GHS
              Hazard Pictogram(s) Hazard Pictogram(s)
              Hazard Pictogram(s)
              Hazard Statement(s)H314: Causes severe skin burns and eye damage.
              H330: Fatal if inhaled.
              Precautionary Statement(s)P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
              P271: Use only outdoors or in a well-ventilated area.
              P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
              P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water.
              P304 + P340 + P310: IF INHALED: Remove person to fresh air and keep comfortable for breathing. Immediately call a POISON CENTER/doctor.
              P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
              Signal WordDanger
              Storage class6.1B Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials
              WGKWGK 3 highly hazardous to water
              Disposal14
              Inorganic salts: Container I. Neutral solutions of the these salts: Container D. Before placing in Container D, check the pH with pH-Universal indicator strips (Item No. 109535).
              Safety Information
              Product Usage Statements
              Storage and Shipping Information
              StorageNoTempLimit
              Packaging Information
              Transport Information
              Declaration (railroad and road) ADR, RIDUN 2923 , 8 (6.1), I
              Declaration (transport by air) IATA-DGRUN 2923 , 8 (6.1), I
              Declaration (transport by sea) IMDG-CodeUN 2923 , 8 (6.1), I, Segregation Group: 1 (Acids)
              Supplemental Information
              Specifications
              Assay (acidimetric, as K₂S₂O₇)97.5 - 100.0 %
              Acidity (as H₂SO₄)37.5 - 38.6 %
              Insoluble and by ammoniumhydroxide precipitated matter≤ 0.01 %
              Chloride (Cl)≤ 0.0005 %
              Phosphate (PO₄)≤ 0.001 %
              Total nitrogen (N)≤ 0.002 %
              Heavy metals (as Pb)≤ 0.001 %
              Al (Aluminium)≤ 0.001 %
              As (Arsenic)≤ 0.0005 %
              Ca (Calcium)≤ 0.002 %
              Fe (Iron)≤ 0.0005 %
              Mg (Magnesium)≤ 0.0005 %
              Na (Sodium)≤ 0.01 %
              Water (H₂O)≤ 2.5 %
              Conforms ACS