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Merck

339075

Supelco

硼酸酐

99.98% trace metals basis

别名:

三氧化二硼

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About This Item

经验公式(希尔记法):
B2O3
CAS号:
分子量:
69.62
EC號碼:
MDL號碼:
分類程式碼代碼:
12352300
eCl@ss:
38120103
PubChem物質ID:
NACRES:
NA.21

等級

for inorganic trace analysis

品質等級

蒸汽密度

>1 (vs air)

化驗

99.98% trace metals basis

形狀

powder

mp

450 °C (lit.)

密度

2.46 g/mL at 25 °C (lit.)

SMILES 字串

O=BOB=O

InChI

1S/B2O3/c3-1-5-2-4

InChI 密鑰

JKWMSGQKBLHBQQ-UHFFFAOYSA-N

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應用

在使用三乙基硅烷和三氟化硼将酮选择性还原成烃的过程中,硫酸中的硼酸酐可用作洗涤剂以除去形成的副产物氟化氢气体。与羟基磷灰石结合,它可用于催化气相贝克曼重排过程,形成尼龙-6。

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

Repr. 1B

儲存類別代碼

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

水污染物質分類(WGK)

WGK 1

閃點(°F)

Not applicable

閃點(°C)

Not applicable

個人防護裝備

dust mask type N95 (US), Eyeshields, Gloves


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Vapor-phase Beckmann rearrangement of cyclohexanone oxime over boria-hydroxyapatite catalyst
Izumi Y, et al.
Chemistry Letters (Jpn), 12(10), 1649-1652 (1983)
Reduction of ketones to hydrocarbons with triethylsilane: m-nitroethylbenzene
Fry JL, et al.
Organic Syntheses, 60, 108-108 (1981)
Jin-Su Nam et al.
Journal of hazardous materials, 172(2-3), 1013-1020 (2009-08-25)
Recently, it was found by the authors of this study that glasses of a special composition have an ability to remove some hazardous ions from waste solutions. In the present study, a SiO(2)-B(2)O(3)-CaO-Na(2)O glass system has been chosen to remove
Ivan Hung et al.
Journal of magnetic resonance (San Diego, Calif. : 1997), 197(2), 229-236 (2009-02-10)
Using a two-dimensional multiple-quantum (MQ) double rotation (DOR) experiment the contributions of the chemical shift and quadrupolar interaction to isotropic resonance shifts can be completely separated. Spectra were acquired using a three-pulse triple-quantum z-filtered pulse sequence and subsequently sheared along
G Krishna Kumari et al.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy, 101, 140-147 (2012-10-27)
Divalent Mn2+ ions containing 20ZnO+xLi2O+(30-x)K2O+50B2O3(5≤x≤25) mol% glasses are prepared by using melt quench technique and are characterized by several spectroscopic techniques. Various physical parameters are evaluated from the measured values of density and refractive index for the observation of mixed

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