BORIC ACID Molecular Biology

Orthoboric Acid

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Article No.
02221
Grade
Molecular Biology
Purity
99.5%
CAS No.
10043-35-3
Molecular Formula
H3BO3
Molecular Weight
61.83
H.S. Code
2810.0020
Shelf Life
60 Months
MSDS
 

 

Physical Properties

Physical state at 20 °C
Solid
Colour
White powder
Odour
Odorless
pH value
3.8 - 4.8
Melting point/ Freezing point [°C]
160 °C
Boiling point [°C]
300 °C
Vapour pressure [20°C]
3.5 hPa at 20 °C
Density [g/cm3]
1.44
Solubility in water [% weight]
Soluble in water

Packings

  • 1PW1201000

    500 g (00500)

 

Specifications

Appearance White powder / crystals / crystalline powder
Assay (acidimetric) Min 99.5%
DNases (exo and endonucleases) None detected
Insoluble matter Passes filter test
Non-volatile substances in MeOH/HCl Max 0.05%
Phosphatase None detected
RNases None detected
Loss on drying (at 120°C) Max 0.5%
Solubility (1 M in water) Complete,colourless
pH (saturated solution in water) 3.6 - 4.6
Chloride (Cl) Max 0.0005%
Phosphate (PO4) Max 0.0005%
Sulphate (SO4) Max 0.0005%
Heavy metal (as Pb) Max 0.0005%
Arsenic (As) Max 0.00005%
Sodium (Na) Max 0.005%
UV absorbance 1 M in water
Wavelength Max. Absorbance
260 nm 0.015
280 nm 0.010

Safety Information and Hazard Symbols

Health Hazard
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360
Precaution Statement: P201-P308 + P313
Revision Date : 24-Jun-2020
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