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Potassium hydrogen phthalate

Potassium hydrogen phthalate

ProductType:Chemicals
Product Category:Laboratory chemicals
Product Sub Category:Merck Millipore
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Catalogue Number 102400

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 95
Structure formula Image Structure formula Image
Quality Level MQ300

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).

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

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