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Merck - 1048640500 - Potassium dichromate

  • MFR SKU: 1048640500
  • ITEM #: 19004907
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Stock Status: SHIPS SOON (reserve your unit today)
Average lead time for this brand: 2-3 weeks. Specific products may vary.

ITEM #: 19004907
for analysis EMSURE® ACS, ISO, Reag. Ph Eur
This listing is for 500 g Plastic bottle

Merck - 1048640500 - Potassium dichromate

  • Item #: 19004907
  • MFR SKU: 1048640500
Technical Specs
  • Catalogue Number 104864
  • Replaces PX1445-2; PX1445
  • Synonyms Potassium bichromate, Potassium pyrochromate
  • CAS number 7778-50-9
  • EC index number 024-002-00-6
  • EC number 231-906-6
  • Grade ACS, ISO, Reag. Ph Eur
  • Hill Formula CrKO
  • Chemical formula KCrO
  • Molar Mass 294.19 g/mol
  • HS Code 2841 50 00
  • Quality Level MQ300
  • Boiling point >500 ° C (1013 hPa)
  • Density 2.680 g/cm3 (20 ° C)
  • Melting Point 390 ° C
  • pH value 3.5 - 5.0 (29.4 g/l, HO, 25 ° C)
  • Bulk density 1250 kg/m3
  • Solubility 115 g/l
  • LD 50 oral LD50 Rat 90.5 mg/kg
  • LD 50 dermal LD50 Rat 1170 mg/kg
  • 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.
  • H335: May cause respiratory irritation.
  • 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 Word Danger
  • RTECS HX7680000
  • Storage class 5.1B Oxidizing hazardous materials
  • WGK WGK 3 highly hazardous to water
  • Disposal 22
  • 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.
  • Categories of danger carcinogenic, mutagenic, toxic for reproduction, oxidizing, very toxic, corrosive, sensitizing, dangerous for the environment
  • Storage Store at +2° C to +30° C.
  • Declaration (railroad and road) ADR, RID UN 3086 , 6.1 (5.1), II
  • Declaration (transport by air) IATA-DGR UN 3086 , 6.1 (5.1), II
  • Declaration (transport by sea) IMDG-Code UN 3086 , 6.1 (5.1), II
  • Assay (iodometric, calc. on dried substance) ≥ 99.9 %
  • Insoluble matter ≤ 0.005 %
  • Chloride (Cl) ≤ 0.001 %
  • Sulfate (SO) ≤ 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 %
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