MERCK 104874.1000 Potassium Hydrogen Phthalate GR CAS No.877-24-7

Key Spec Table

CAS #	EC Number	Hill Formula	Molar Mass	Grade Value
877-24-7	212-889-4	C₈H₅KO₄	204.22 g/mol	Reag. Ph Eur

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Description
Catalogue Number	104874

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

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

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

Safety Information according to GHS
RTECS	CZ4326000
Storage class	10 - 13 Other liquids and solids
WGK	WGK 1 slightly hazardous to water
Disposal	3Relatively 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 and Shipping Information
Storage	Store at +2°C to +30°C.

Specifications
Assay (Perchloric acid titration from dried substance)	≥ 99.5 %
Identity (IR-spectrum)	passes test
In water insoluble matter	≤ 0.005 %
Chloride (Cl)	≤ 0.002 %
Sulfur compounds (as SO₄)	≤ 0.005 %
Heavy metals (as Pb)	≤ 0.0005 %
Cu (Copper)	≤ 0.0002 %
Fe (Iron)	≤ 0.0005 %
Na (Sodium)	≤ 0.01 %
Pb (Lead)	≤ 0.0005 %
Loss on Drying (105 °C)	≤ 0.2 %
Corresponds to Reag. Ph Eur