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106336 Sodium dichromate dihydrate

106336
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Overview

Replacement Information

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7789-12-0234-190-3Cr₂Na₂O₇*2H₂ONa₂Cr₂O₇ * 2 H₂O278 g/molACS

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1063360250
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      1063361000
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          Description
          Catalogue Number106336
          SynonymsSodium bichromate, Sodium pyrochromate
          References
          Product Information
          CAS number7789-12-0
          EC index number024-004-00-7
          EC number234-190-3
          GradeACS
          Hill FormulaCr₂Na₂O₇*2H₂O
          Chemical formulaNa₂Cr₂O₇ * 2 H₂O
          Molar Mass278 g/mol
          HS Code2841 30 00
          Quality LevelMQ300
          Applications
          Biological Information
          Physicochemical Information
          Boiling point400 °C (1013 hPa) (decomposition)
          Density2.52 g/cm3 (20 °C)
          Melting Point356.7 °C (anhydrous substance)
          pH value3.5 (100 g/l, H₂O, 20 °C)
          Bulk density1200 kg/m3
          Solubility731.8 g/l
          Dimensions
          Materials Information
          Toxicological Information
          LD 50 oralLD50 Rat 50 mg/kg
          LD 50 dermalLD50 Rabbit 1000 mg/kg
          Safety Information according to GHS
          Hazard Pictogram(s) Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Pictogram(s)
          Hazard Statement(s)H272: May intensify fire; oxidizer.
          H301: Toxic if swallowed.
          H312: Harmful in contact with skin.
          H314: Causes severe skin burns and eye damage.
          H317: May cause an allergic skin reaction.
          H330: Fatal if inhaled.
          H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
          H340: May cause genetic defects.
          H350: May cause cancer.
          H360FD: May damage fertility. May damage the unborn child.
          H372: Causes damage to organs through prolonged or repeated exposure if inhaled.
          H410: Very toxic to aquatic life with long lasting effects.
          Precautionary Statement(s)P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking.
          P260: Do not breathe dust/ fume/ gas/ mist/ vapours/ spray.
          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
          RTECSHX7750000
          Storage class5.1B Oxidizing 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
          Categories of dangercarcinogenic, mutagenic, toxic for reproduction, very toxic, oxidizing, corrosive, sensitizing, dangerous for the environment
          Product Usage Statements
          Storage and Shipping Information
          StorageStore at +2°C to +30°C.
          Packaging Information
          Transport Information
          Declaration (railroad and road) ADR, RIDUN 3086 , 6.1 (5.1), II
          Declaration (transport by air) IATA-DGRUN 3086 , 6.1 (5.1), II
          Declaration (transport by sea) IMDG-CodeUN 3086 , 6.1 (5.1), II
          Supplemental Information
          Specifications
          Assay (iodometric)99.5 - 100.5 %
          Identitypasses test
          Insoluble matter≤ 0.005 %
          Chloride (Cl)≤ 0.002 %
          Sulfate (SO₄)≤ 0.01 %
          Al (Aluminium)≤ 0.002 %
          Ca (Calcium)≤ 0.002 %
          Cu (Copper)≤ 0.001 %
          Fe (Iron)≤ 0.002 %
          K (Potassium)≤ 0.01 %
          Mg (Magnesium)≤ 0.005 %
          Pb (Lead)≤ 0.002 %