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LC4887 Potassium hydrogen phthalate
Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material

 

Order number Packaging Quantity Price €
AC31887 Glass bottle 80 g 37.35

 

Product information
Hill Formula C8H5KO4
HS Code 2917 39 95
EC number 212-889-4
Molar mass 204.22 g/mol
CAS number 877-24-7

 

Chemical and physical data
Solubility 80 g/l (20 °C)
Melting point 295 – 300 °C
Molar mass 204.22 g/mol
Density 36 g/cm3
Bulk density 900 kg/m3
pH value 4.0 (50 g/l, H2O, 20 °C)

 

Safety information
RTECS CZ4326000
Storageclass 10 – 13 Other liquids and solids
WGK WGK 1 slightly water endangering
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.

 

Toxicological data
LD 50 oral LD50 rat > 3200 mg/kg