di-SODIUM TETRABORATE DECAHYDRATE
di-SODIUM TETRABORATE DECAHYDRATE Extra Pure
Short Name: di-SODIUM TETRABORATE DECAHYDRATE
Synonym: Sodium tetraborate decahydrate; Borax decahydrate; Sodium borate decahydrate
Basic Details
Article No.
LG0771
Grade
Extra Pure
Purity
99%
CAS No.
1303-96-4
HS Code
2840.1100
Shelf Life
60 Months
Packings Avialable
Physical Properties
Physical state at 20 °C
Solid
Colour
White crystalline
Odour
Odorless
pH value
9.2
Melting point/ Freezing point [°C]
62 °C
Boiling point [°C]
320°C
Density [g/cm3]
1.73
Solubility in water [% weight]
39 g/l at 20 °C - completely soluble
Chemical Specifications
Appearance
A white crystalline powder
Assay (acidimetric)
99 - 103%
pH (5% solution in water)
9.2 - 9.5
Carbonate, bicarbonate
Passes test
Sulphate (SO4)
Max 0.005%
Heavy metal (as Pb)
Max 0.002%
Ammonium (NH4)
Max 0.001%
Arsenic (As)
Max 0.0005%
Calcium (Ca)
Max 0.01%
Safety Information & Hazard Symbols
Symbol
GHS08
Signal Word
Danger
Hazardous Statement
H360FD
Precaution Statement
P201-P308 + P313