SODIUM BORATE, DECAHYDRATE,

SODIUM BORATE, DECAHYDRATE,

Synonyms Sodium Tetraborate; Borax, Fused; Borax decahydrate; Sodium borate decahydrate; Borax; Sodium tetraborate decahydrate ACS

CAS Number: 1303-96-4 Molecular Formula: B4Na2O7 • 10H2O Molecular Weight: 381.37

EC Number: 215-540-4 MDL Number: MFCD00149193

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SKU 02191436-CF
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Description

Product Description

Sodium borate decahydrate is a mineral, and a salt of boric acid. The term borax is used for a number of closely related minerals or chemical compounds that differ in their crystal water content, but usually refers to the decahydrate.

Application Notes

Sodium borate is used in biochemical and chemical laboratories to make buffers, e.g. for gel electrophoresis of DNA, such as TBE(Tris/Borate/EDTA) or SB(Sodium borate) buffer or BBS (borate buffered saline) in coating procedures. As a micronutrient fertilizer to correct boron-deficient soils. To clean the brain cavity of a skull for mounting.

Key Applications

Detergent | Buffer | Fire retardant | Antifungal for fiberglass

Specifications
SKU 02191436-CF
Alternate Names Sodium Tetraborate; Borax, Fused; Borax decahydrate; Sodium borate decahydrate; Borax; Sodium tetraborate decahydrate ACS
Application Notes Sodium borate is used in biochemical and chemical laboratories to make buffers, e.g. for gel electrophoresis of DNA, such as TBE(Tris/Borate/EDTA) or SB(Sodium borate) buffer or BBS (borate buffered saline) in coating procedures. As a micronutrient fertilizer to correct boron-deficient soils. To clean the brain cavity of a skull for mounting.
Boiling Point 320 °C (loses H2O)(Lit.)
Density 1.73 g/mL at 25 °C(lit.)
EC Number 215-540-4
Format Crystalline powder
Grade ACS Grade
Hazard Statements H360FD
Heavy Metals ≤0.001%(as Pb)
Insoluble Matter ≤0.005%
Applications Detergent | Buffer | Fire retardant | Antifungal for fiberglass
MDL # MFCD00149193
Melting Point 75 °C Elimination of water of crystallization(Lit.)
Molecular Formula B4Na2O7 • 10H2O
Molecular Weight 381.37
Personal Protective Equipment Eyeshields, full-face particle respirator, Gloves, respirator cartridge, respirator filter
pH 9.15 - 9.20 (0.01M aq soln)
Physical Appearance White Crystalline Powder
RTECS Number VZ2275000
Safety Symbol GHS08
Solubility 1 g dissolves in 16 M water, 0.6 mL boiling water, ~/mL glyceral; insoluble in alcohol.
Storage and Handling Store at Room Temperature(15-30 °C).
Vapor Pressure 0.213 hPa (20 °C) (Lit.)