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Lab Chemicals
Inorganic Salts
di-SODIUM TETRABORATE DECAHYDRATE
di-SODIUM TETRABORATE DECAHYDRATE Extra Pure
Sodium tetraborate decahydrate; Borax decahydrate; Sodium borate decahydrate
Article No.
06037
Grade
Extra Pure
Purity
99%
CAS No.
1303-96-4
Molecular Formula
Na
2
B
4
O
7
·
1
0
H
2
O
Molecular Weight
381.37
H.S. Code
2840.1100
Shelf Life
60 Months
MSDS
DE
EN
FR
KO
PT
ES
TH
TR
Certificate of Analysis (COAs)
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
Packings
500 g
(00500)
5000 g
(05000)
25 Kg
(0025K)
50 Kg
(0050K)
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 and Hazard Symbols
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313
Revision Date :
21-Dec-2013