DI-BORON TRIOXIDE ANHYDROUS Extra Pure

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Description

Boric oxide

Article No. 2223D Grade Extra Pure
Purity 98% CAS No. 1303-86-2
Molecular Formula B2O3 Molecular Weight 69.62
H.S. Code 2810.0010 Shelf Life 60 Months
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Physical Properties

Physical state at 20 °C solid Colour White crystalline
Odour Odorless Melting point/ Freezing point [°C] 450 °C
Density [g/cm3] 2.404 Solubility in water [% weight] Moderate (1-10%)

Specifications

Appearance Colorless or White Powder or Crystals
Assay Min 98%
Non-esterifiable impurities Max 0.05%
Chloride (Cl) Max 0.05%
Calcium (Ca) Max 0.002%
Heavy metal (as Pb) Max 0.002%
Iron (Fe) Max 0.0005%
Magnesium (Mg) Max 0.0005%
Potassium (K) Max 0.003%
Sodium (Na) Max 0.003%

Packings

250 g 00250
500 g 00500

Safety Information

Symbol: GHS08
Signal Word: Danger
Hazardous Statement: H360FD
Precaution Statement: P201-P308 + P313

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