POTASSIUM PHOSPHATE DIBASIC LR (ANHYDROUS)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0168200500	LR	98%	7758-11-4	K₂HPO₄	174.18	2835.2400	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White crystalline

Odour

Odorless

pH value

8.8

Melting Point/ Freezing point [°C]

>465°C

Decomposition point [°C]

>465°C

Density [g/cm3]

2.338

Viscosity at 40°C [mm2/s]

1600 g/l (20°C)

Solubility in water [% weight]

1600 g/l (20°C)

Appearance:	White hygroscopic crystalline powder
Chloride (Cl):	Max 0.02%
Sulphate (SO4):	Max 0.1%
Heavy metal (as Pb):	Max 0.001%
Sodium (Na):	Max 0.5%
Arsenic (As):	Max 0.0002%
Iron (Fe):	Max 0.001%
Insoluble matter in water:	Max 0.2%
pH (10% solution in water):	8.5 - 9.6
Appearance of solution:	Passes test
Assay (acidimetric; on anhydrous basis):	98 - 100.5%
Fluoride (F):	Max 0.001%
Carbonate:	Passes test
KMnO4 reducing matter (as O):	Max 0.04%
Loss on drying (at 130°C):	Max 1%
Potassium hydrogen phosphate (KH2PO4):	Max 3.0%

Safety Statement: 22-24/25