China boron oxide manufacturersselect 2020 high quality boron oxide products in best price from certified chinese industrial gas manufacturers, medical gases suppliers, wholesalers and factory on made-in-china Physical and chemical properties: 1.1 molecular formula: b2o3 1.2 molecular weight: 69.62 1.3 melting point: 450â 1.4 boiling point:1860â 1.5 density: 1.085 g/ml (amorphous) 1.6 solubility: dissolved in acid, ethanol, hot water, and slightly dissolved in cold water. 1.7 properties: colorless crystal powder. be greasy in the surface. A wide variety of boron oxide price options are available to you, such as agriculture grade, industrial grade, and electron grade. you can also choose from hydrogen peroxide, cerium oxide, and calcium oxide. as well as from free samples, paid samples. there are 104 boron oxide price suppliers, mainly located in asia. The number of electrons in each of boron's shells is 2, 3 and its electron configuration is [he] 2s 2 2p 1. the boron atom has a radius of 90 pm and a van der waals radius of 192 pm. boron was discovered by joseph louis gay-lussac and louis jacques thénard in 1808. it was first isolated by humphry davy, also in 1808.