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106336 Sodium dichromate dihydrate

for analysis EMSURE® ACS

Sodium dichromate dihydrate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Sodium bichromate, Sodium pyrochromate

CAS #: 7789-12-0 EC Number: 234-190-3 Molar Mass: 278 g/mol Chemical Formula: Na₂Cr₂O₇ * 2 H₂O Hill Formula: Cr₂Na₂O₇*2H₂O Grade: ACS
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106336
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Overview

Replacement Information

Key Spec Table

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

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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.
      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 3087 , 5.1 (6.1), II
      Declaration (transport by air) IATA-DGRUN 3087 , 5.1 (6.1), II
      Declaration (transport by sea) IMDG-CodeUN 3087 , 5.1 (6.1), 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 %
      Global Trade Item Number
      Catalogue Number GTIN
      1063361000 04022536075181