BORIC ACID CRYSTALS Extra Pure

Confirms to IP, BP, USP
Orthoboric Acid

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Article No.
02218
Grade
Extra Pure
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 crystals
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

  • 1PW1200500

    500 g (00500)

  • 1PW1206500

    5000 g (05000)

  • 1PDL00030K

    25 Kg (0025K)

  • 1PDLP0065K

    50 Kg (0050K)

 

Specifications

Appearance White crystals
Assay (alkalimetric; on dried basis) 99.5-100.5%
Identification To comply IP, BP, USP tests
Solubility Soluble in water and in ethanol (96 per cent), freely soluble in boiling water and in glycerol (85 per cent)
Appearance of solution To comply IP, BP, USP
Substance insoluble in alcohol To comply IP, BP, USP test
pH (3.3% solution in water) 3.8-4.8
Sulphate (SO4) Max 0.045%
Heavy metal (as Pb) max 0.0015%
Arsenic (As) max 0.001%
Organic impurities To comply BP test
Loss on drying (5hrs; over silica gel) Max 0.5%

Safety Information and Hazard Symbols

Health Hazard
Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360
Precaution Statement: P201-P308 + P313
Revision Date : 28-Dec-2016
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