POTASSIUM BITARTRATE (CREAM OF TARTRAR)

Article No.	Grade	Purity	Cas no.	Molecular Formula	Molecular Weight	H.S. Code	Shelf Life
P0164700500	LR	99.5%	868-14-4	C₄H₅KO₆	188.18	2918.1310	60 Months

Physical Properties

Physical state at 20 °C

Solid

Colour

White powder

Odour

Odorless

pH value

3.4 - 3.7 at 20 °C

Melting Point/ Freezing point [°C]

> 250 °C

Density [g/cm3]

1.954

Solubility in water [% weight]

Slightly soluble in water

Appearance:	White or almost white, crystalline powder or colourless crystals
Chloride (Cl):	Max. 0.05%
Sulphate (SO4):	Max. 0.05%
Heavy metal (as Pb):	Max. 0.001%
Loss on drying (at 105°C) :	Max. 0.5%
Solubility:	Passes test
Barium (Ba):	Passes test
Identifications:	Passes test
Assay (acidimetric; on anhydrous basis):	99.5-100.5%
Oxalic acid:	Max. 0.05%
Specific optical rotation ([α]20/D):	+ 8.0 to + 9.2