104864 Potassium dichromate

104864
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Overview

Replacement Information
Replacement InformationIn North America 104864.0500 replaces and is identical to PX1445-1

Key Specifications Table

CAS #EC NumberHill FormulaChemical FormulaMolar MassGrade Value
7778-50-9 231-906-6 Cr₂K₂O₇ K₂Cr₂O₇ 294.19 g/mol ACS,ISO,Reag. Ph Eur

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              Description
              Catalogue Number104864
              ReplacesPX1445-2; PX1445
              SynonymsPotassium bichromate, Potassium pyrochromate
              References
              Product Information
              CAS number7778-50-9
              EC index number024-002-00-6
              EC number231-906-6
              GradeACS,ISO,Reag. Ph Eur
              Hill FormulaCr₂K₂O₇
              Chemical formulaK₂Cr₂O₇
              Molar Mass294.19 g/mol
              HS Code2841 50 00
              Quality LevelMQ300
              Applications
              Biological Information
              Physicochemical Information
              Boiling point>500 °C (1013 hPa)
              Density2.7 g/cm3 (20 °C)
              Melting Point398 °C
              pH value3.6 (100 g/l, H₂O)
              Bulk density1250 kg/m3
              Solubility115 g/l
              Dimensions
              Materials Information
              Toxicological Information
              LD 50 oralLD50 Rat 90.5 mg/kg
              LD 50 dermalLD50 Rat 1170 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.
              H335: May cause respiratory irritation.
              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
              RTECSHX7680000
              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 SymbolsDangerous for the environment
              Hazard SymbolsVery toxic
              Hazard SymbolsOxidising
              Categories of dangercarcinogenic, mutagenic, toxic for reproduction, oxidizing, very toxic, 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 below +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, calc. on dried substance)≥ 99.9 %
              Insoluble matter≤ 0.005 %
              Chloride (Cl)≤ 0.001 %
              Sulfate (SO₄)≤ 0.005 %
              Ca (Calcium)≤ 0.002 %
              Cu (Copper)≤ 0.001 %
              Fe (Iron)≤ 0.001 %
              Na (Sodium)≤ 0.02 %
              Pb (Lead)≤ 0.005 %
              Loss on drying (130 °C)≤ 0.05 %