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Merck - 1005409025 - di-Phosphorus pentoxide extra pure, 25 kg

  • MFR SKU: 1005409025
  • ITEM #: 8134071
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ITEM #: 8134071
CAS Number: 1314-56-3
UN Number: UN1807
Solubility: 850 g/l (20°C) Risk of violent reaction.
Melting Point: 562°C (closed capillary tube)
Molar Mass: 141.95 g/mol
Bulk Density: 700 kg/m3
Vapor Pressure: < - 0.1 hPa (20°C)
Density: 2.30 g/cm3 (20°C)
pH: 1 (5 g/l, H2O, 20°C)
di-Phosphorus pentoxide extra pure, 25 kg
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Merck - 1005409025 - di-Phosphorus pentoxide extra pure, 25 kg

  • Item #: 8134071
  • MFR SKU: 1005409025
  • Catalogue Number 100540
  • Synonyms phosphoric anhydride, Phosphoric anhydride
  • di-Phosphorus pentoxide
  • CAS number 1314-56-3
  • EC index number 015-010-00-0
  • EC number 215-236-1
  • Hill Formula OP
  • Chemical formula PO
  • Molar Mass 141.95 g/mol
  • HS Code 2809 10 00
  • Quality Level MQ200
  • Density 2.5 g/cm3 (20 ° C)
  • Melting Point 420 ° C (closed capillary tube)
  • pH value 1.5 (10 g/l, HO, 20 ° C)
  • Vapor pressure 1 hPa (384 ° C)
  • Bulk density 700 kg/m3
  • Solubility 850 g/l Risk of violent reaction.
  • Hazard Pictogram(s)
  • Hazard Statement(s) H314: Causes severe skin burns and eye damage.
  • EUH014: Reacts violently with water.
  • Precautionary Statement(s) 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.
  • P363: Wash contaminated clothing before reuse.
  • Signal Word Danger
  • Storage class 8B Non-combustible, corrosive hazardous materials
  • WGK WGK 1 slightly hazardous to water
  • Disposal 12
  • Inorganic acids and anhydrides thereof should first be diluted or hydrolyzed by stirring carefully into ice water and then neutralized (protective gloves, fume cupboard!) with sodium hydroxide solution (Cat. No. 105587). Before filling into container D, check the pH with pH universal indicator strips (Cat. No. 109535). Fuming sulfuric acid should be carefully stirred dropwise into 40 % sulfuric acid (Cat. No. 109286). Ensure that plenty of ice is available for cooling! When sufficiently cool, treat the highly concentrated sulfuric acid as described above. Analogous to this procedure, other anhydrides can be converted into their corresponding acids. Acid gases (e.g. hydrogen halide, chlorine, phosgene, sulfur dioxide) can be introduced into dilute sodium hydroxide solution and after neutralization disposed of in container D.
  • Categories of danger corrosive
  • Storage NoTempLimit
  • Declaration (railroad and road) ADR, RID UN 1807 , 8, II
  • Declaration (transport by air) IATA-DGR UN 1807 , 8, II
  • Declaration (transport by sea) IMDG-Code UN 1807 , 8, II, Segregation Group: 1 (Acids)
  • Assay (acidimetric) ≥ 97.0 %
  • Identity passes test
  • Chloride (Cl) ≤ 50 ppm
  • Heavy metals (as Pb) ≤ 100 ppm
  • Reducing matter (as PO) ≤ 0.02 %

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