推荐产品
等級
ACS reagent
品質等級
agency
suitable for SM 4500 - NH3
蒸汽壓力
0.213 hPa ( 20 °C)
化驗
≥99.5%
形狀
powder or crystals
雜質
≤0.005% Insoluble matter
pH值
9.15-9.20 (25 °C, 0.01 M in solution)
密度
1.73 g/mL at 25 °C (lit.)
負離子痕跡
chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.005%
正離子痕跡
Ca: ≤0.005%
Fe: ≤5 ppm
heavy metals (as Pb): ≤0.001%
SMILES 字串
O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2
InChI
1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
InChI 密鑰
CDMADVZSLOHIFP-UHFFFAOYSA-N
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一般說明
十水合四硼酸钠是一种天然存在的材料，可用作许多有机转化的催化剂或添加剂，如内夫反应、克内文纳格尔缩合反应、取代、加成、邻二醇的选择性甲基化和三甲基硅基炔酮的脱硅基化。
應用
十水四硼酸钠可作为催化剂用于：
- 使用硫醇合成 β-羟基硫化物，对 1,2-环氧化合物进行区域选择性硫解。
- 硫醇与缺电子烯烃的杂 Michael 加成，以合成相应的 β-加合物。
- 无溶剂 Biginelli 反应，以合成 3,4-二氢嘧啶-2(1H)-酮。
法律資訊
訊號詞
Danger
危險聲明
危險分類
Eye Irrit. 2 - 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
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