POTASSIUM HYDROGEN TARTRATE
POTASSIUM HYDROGEN TARTRATE Extra Pure
Conforms to BP
Short Name: POTASSIUM HYDROGEN TARTRATE
Synonym: Potassium L-tartrate monobasic; L-(+)-Tartaric acid monopotassium salt; Potassium hydrogen L-tartrate
Basic Details
Article No.
LG3651
Grade
Extra Pure
Purity
99.5%
CAS No.
868-14-4
HS Code
2918.1310
Shelf Life
60 Months
Packings Avialable
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
Chemical Specifications
Appearance
White or almost white, crystalline powder or colourless crystals
Assay (acidimetric; on dried basis)
99.5 - 100.5%
Solubility
Passes test
Identification
Passes test
Specific optical rotation ([α]20/D)
+ 8.0° to + 9.2°
Oxalic acid
Max. 0.05%
Chloride (Cl)
Max. 0.05%
Sulphate (SO4)
Max. 0.05%
Barium (Ba)
Passes test
Heavy metal (as Pb)
Max. 0.001%
Loss on drying (at 105°C)
Max. 0.5%
Safety Information & Hazard Symbols