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Boric Acid

Catalog #    Size
IB70096        2.5 kg

Physical Specifications
Molecular Weight        61.83
Molecular Formula        H3BO3
Purity                 >99.9%    
Melting Point            171 ± 3oC
PH (1.0 M, water)        3.5 + 0.4
A220-230                 <0.05
Arsenic                 <0.0001%
Calcium            <0.005%
Chloride            <0.001%
Phosphate            <0.001%
Sulfate                 <0.01%
Heavy Metals            <0.001%
   
Molecular Biology Specifications
DNase assay                 None Detected
RNase assay                 None Detected
Protease assay                 None Detected

Recommended Use
An ingredient in Tris-borate buffer systems used in high voltage electrophoresis.

Buffer                 Concentrated Stock Solution (per liter)

Tris-borate (TBE buffer)    5X:    54 g Tris base
                    27.5 g boric acid
                    20mL 0.5M EDTA (pH 8.0)

Storage
Store at room temperature. Protect from moisture.

Warning
Irritant. Causes irritation to eyes, skin and mucous membranes. Avoid breathing dust. Do not take internally. Wash thoroughly with water after handling. See Material Safety Data Sheet for additional information.