Merck 102400 0080 Potassium Hydrogen Phthalate Volumetric Standard, Secondary Reference Material For ... Certipur® 80 GR.

\n\n\n\n\n\n\n\n\n\n\n\n

Description
Catalogue Number	102400

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Product Information
CAS number	877-24-7
EC number	212-889-4
Grade	Reag. Ph Eur,Reag. USP
Hill Formula	C₈H₅KO₄
Molar Mass	204.22 g/mol
HS Code	2917 39 20
Structure formula Image
Quality Level	MQ300

\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Applications
Application	Potassium hydrogen phthalate Volumetric standard, secondary reference material for alkalimetry, traceable to NIST Standard Reference Material (SRM) Certipur® Reag. Ph Eur,Reag. USP. CAS 877-24-7, pH 4.0 (50 g/l, H₂O, 20 °C).

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Physicochemical Information
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, H₂O, 20 °C)
Bulk density	900 kg/m3
Solubility	80 g/l

\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Toxicological Information
LD 50 oral	LD50 Rat > 3200 mg/kg

\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Safety Information according to GHS
RTECS	CZ4326000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3\nRelatively unreactive organic reagents should be collected in container A. If halogenated, they should be collected in container B. For solid residues use container C.

\n\n\n\n\n\n\n\n\n\n\n\n\n\n

Storage and Shipping Information
Storage	Store at +15°C to +25°C.