Boric acid

 Orthoboric acid

Appearance: white powdery crystals or scaly lustrous crystals with three oblique axes

Chemical formula: H3BO3

Molecular weight: 61.83

CAS: 10043-35-3

EINEC: 233-139-2

Melting point: 185 C

Boiling point: 300 C

Water solubility: 5.6g/100mL

Density :1.435 g/cm3

 

Chemical properties

Inorganic, with a smooth touch and no odor. Soluble in water, alcohol, glycerin, ethers and essential oils, the aqueous solution is weakly acidic.

 

Index range

Boric acid (H3BO3) content%: 99.0min

Water insoluble matter content %: 0.060 max

Sulfate (calculated as SO4) content%: 0.30max

Chloride (calculated by C1) content %: 0.15max

Iron (Fe) content %: 0.0050 max

Ammonia (NH3) content %: 0.70 max

 

Application

CSA cement retarder, early strength agent

Electronic components industry, high-purity analytical reagents, medicinal disinfection and anticorrosion, photosensitive material processing chemicals

 

Packing

25kg per bag

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