Borates
Sodium tetraborate decahydrate (11625)
extra pure, meets analytical specification of Ph. Eur., BP, NF (Borax), assay 99.0 - 103.0%
Overview
Specifications
General Information
- CAS Number
- 1303-96-4
- Molar Mass
- 381.37 g/mol
- Linear Formula
- B4Na2O7 x 10H2O
- Grade
- Extra pure
Physical Properties
- Odor
- Odorless
- pH
- 9 to 10 (20 °C) as aqueous solution
- Color
- Colorless
- Melting Point/Range
- >= 62 °C (Elimination of water of crystallisation)
- 742 °C (Anhydrous substance)
- Physical Form
- Crystalline powder
- Density
- 1.7 g/cm3
Safety Information
- Flammability
- The product is not flammable.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- Strong reducing agents, Strong oxidizing agents
International Transportation
- Harmonized System Code
- 28401990
General Information
- CAS Number
- 1303-96-4
- Molar Mass
- 381.37 g/mol
- Linear Formula
- B4Na2O7 x 10H2O
- Grade
- Extra pure
Physical Properties
- Odor
- Odorless
- pH
- 9 to 10 (20 °C) as aqueous solution
- Color
- Colorless
- Melting Point/Range
- >= 62 °C (Elimination of water of crystallisation)
- 742 °C (Anhydrous substance)
- Physical Form
- Crystalline powder
- Density
- 1.7 g/cm3
Safety Information
- Flammability
- The product is not flammable.
- Thermal Decomposition
- Loss of water of crystallization on heating.
- Chemical Stability
- Stable under normal conditions.
- Incompatible Materials
- Strong reducing agents, Strong oxidizing agents
International Transportation
- Harmonized System Code
- 28401990
- CAS Number : 1303-96-4
- Molar Mass : 381.37 g/mol
- Linear Formula : B4Na2O7 x 10H2O
- Grade : Extra pure
- Odor : Odorless
- pH : 9 to 10 (20 °C) as aqueous solution
- Color : Colorless
- Melting Point/Range : >= 62 °C (Elimination of water of crystallisation)|742 °C (Anhydrous substance)
- Physical Form : Crystalline powder
- Density : 1.7 g/cm3
- Flammability : The product is not flammable.
- Thermal Decomposition : Loss of water of crystallization on heating.
- Chemical Stability : Stable under normal conditions.
- Incompatible Materials : Strong reducing agents, Strong oxidizing agents
- Harmonized System Code : 28401990
Property
Value
assay
99.0 - 103.0 %
pH (4 %, 20°C)
9.0 - 9.6
ammonium (NH4)
Max. 10 ppm
arsenic (As)
Max. 3 ppm
calcium (Ca)
Max. 100 ppm
iron (Fe)
Max. 0.002 %
magnesium (Mg)
Max. 0.001 %
heavy metals (as Pb)
Max. 20 ppm
chloride (Cl)
Max. 0.005 %
sulfate (SO4)
Max. 50 ppm
carbonate and bicarbonate
complying
appearance of the solution
complying
residual solvents
complying
