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Merck - 1019650025 - Potassium hydrogen phthalate

  • MFR SKU: 1019650025
  • ITEM #: 7230327
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ITEM #: 7230327
Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00 (25°C) Certipur®. CAS 877-24-7, pH 4.0 (50 g/l, HO, 20 °C).
This listing is for 25 g Glass bottle

Merck - 1019650025 - Potassium hydrogen phthalate

  • Item #: 7230327
  • MFR SKU: 1019650025
  • Catalogue Number 101965
  • CAS number 877-24-7
  • EC number 212-889-4
  • Hill Formula CHKO
  • Molar Mass 204.22 g/mol
  • HS Code 2917 39 85
  • Structure formula Image
  • Quality Level MQ300
  • Application Potassium hydrogen phthalate certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S) = 4.00 (25° C) Certipur®. CAS 877-24-7, pH 4.0 (50 g/l, HO, 20 ° C).
  • Density 1.571 g/cm3 (20 ° C)
  • Flash point 197.3 ° C not applicable
  • Melting Point 295 - 300 ° C
  • pH value 4.0 (50 g/l, HO, 20 ° C)
  • Bulk density 900 kg/m3
  • Solubility 80 g/l
  • LD 50 oral LD50 Rat > 3200 mg/kg
  • RTECS CZ4326000
  • Storage class 10 - 13 Other liquids and solids
  • WGK WGK 1 slightly hazardous to water
  • Disposal 3
  • Relatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.
  • Storage Store at +15° C to +25° C.

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