BORIC ACID Molecular Biology

Article No. Grade Purity CAS No. Molecular Formula Molecular Weight H.S. Code Shelf Life
SC3957 Molecular Biology 99.50% 10043-35-3 H3BO3 61.83 2810.002 60 Months

Packings

500 g

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

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
UN No.
IMCO Class No.
Packing Group
Hazardous Statement H360
Precaution Statement P201-P308 + P313
Risk Statement
Safety Statement
Revision Date : 24-Jun-2020