质量水平
方案
99.998% trace metals basis
表单
powder
mp
741 °C (lit.)
密度
2.367 g/mL at 25 °C (lit.)
SMILES字符串
[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
InChI
1S/B4O7.2Na/c5-1-7-3-9-2(6)10-4(8-1)11-3;;/q-2;2*+1
InChI key
UQGFMSUEHSUPRD-UHFFFAOYSA-N
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应用
四硼酸钠也称为硼砂（Na2B4O7），可用作以下反应的催化剂：
- 以H2O2为氧化剂将将烷基和芳基硫化物化学选择性氧化为亚砜和砜。
- 通过Knoevenagel缩合和Michael 加成途径合成吡啶、二烯、苯胺和二氢吡喃并[3,2-c]色烯。
- 1,2-环氧化物硫解生成β-羟基硫化物。
法律信息
警示用语：
Danger
危险声明
危险分类
Eye Irrit. 2 - Repr. 1B
储存分类代码
6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
WGK
WGK 1
闪点(°F)
Not applicable
闪点(°C)
Not applicable
个人防护装备
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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Carbohydrate epimerization is an essential technology for the widespread production of rare sugars. In contrast to other enzymes, most epimerases are only active on sugars substituted with phosphate or nucleotide groups, thus drastically restricting their use. Here we show that
Analysis of glycated hemoglobin A1c by capillary electrophoresis and capillary isoelectric focusing.
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Two capillary electrophoretic methods were developed and evaluated for measurement of glycated hemoglobin A1c (HbA1c). First, a capillary electrophoresis analysis is performed with a sodium tetraborate buffer (pH 9.3) as background electrolyte in a neutrally coated capillary. HbA1c is separated
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