106336 Sodium dichromate dihydrate

106336
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      Overview

      Replacement Information

      Key Specifications Table

      CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
      7789-12-0 234-190-3 Cr₂Na₂O₇*2H₂O Na₂Cr₂O₇ * 2 H₂O 298.00 g/mol ACS

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      1063360250
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          Plastic bottle 250 g
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          1063361000
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              Plastic bottle 1 kg
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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 Mass298.00 g/mol
              HS Code2841 30 00
              Applications
              Biological Information
              Physicochemical Information
              Boiling point400 °C (1013 hPa) (decomposition)
              Density2.35 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)H340: May cause genetic defects.
              H350: May cause cancer.
              H360FD: May damage fertility. May damage the unborn child.
              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.
              H372: Causes damage to organs through prolonged or repeated exposure.
              H410: Very toxic to aquatic life with long lasting effects.
              Precautionary Statement(s)P201: Obtain special instructions before use.
              P221: Take any precaution to avoid mixing with combustibles, heavy-metal compounds, acids and alkalis.
              P273: Avoid release to the environment.
              P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
              P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
              P302 + P352: IF ON SKIN: Wash with plenty of soap and water.
              P304 + P340: IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing.
              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 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
              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
              Hazard Symbols Hazard SymbolsVery toxic
              Hazard SymbolsOxidising
              Hazard SymbolsDangerous for the environment
              Categories of dangercarcinogenic, mutagenic, toxic for reproduction, very toxic, oxidizing, corrosive, sensitizing, dangerous for the environment
              R PhraseR 45-46-60-61-21-25-26-48/23- 8-34-42/43-50/53
              May cause cancer.May cause heritable genetic damage.May impair fertility.May cause harm to the unborn child.Also harmful in contact with skin.Also toxic if swallowed.Also very toxic by inhalation.Also toxic: danger of serious damage to health by prolonged exposure through inhalation.Contact with combustible material may cause fire.Causes burns.May cause sensitisation by inhalation and 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 +5°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 %