跳转至内容
Merck
CN

主要文件

查看所有文档

S9640

四硼酸钠 十水合物

ACS reagent, ≥99.5%

别名:

硼砂 十水合物, 硼酸钠 十水合物

登录 查看组织和合同定价。

选择尺寸

变更视图

关于此项目

线性分子式:
Na2B4O7 · 10H2O
化学文摘社编号:
1303-96-4
分子量:
381.37
NACRES:
NA.21
PubChem Substance ID:
329824630
UNSPSC Code:
12352302
EC Number:
215-540-4
MDL number:
MFCD00149193
Assay:
≥99.5%
Grade:
ACS reagent
Form:
powder or crystals
技术服务
需要帮助？我们经验丰富的科学家团队随时乐意为您服务。
让我们为您提供帮助

grade

ACS reagent

Quality Level

200

agency

suitable for SM 4500 - NH3

vapor pressure

0.213 hPa ( 20 °C)

assay

≥99.5%

form

powder or crystals

impurities

≤0.005% Insoluble matter

pH

9.15-9.20 (25 °C, 0.01 M in solution)

density

1.73 g/mL at 25 °C (lit.)

anion traces

chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%

cation traces

Ca: ≤0.005%, Fe: ≤5 ppm, heavy metals (as Pb): ≤0.001%

SMILES string

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 key

CDMADVZSLOHIFP-UHFFFAOYSA-N

General description

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。

Application

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。
还可作为添加剂制备具有高介电性能的聚吡咯-硼砂复合材料。

Legal Information

Still not finding the right product?

Explore all of our products under 四硼酸钠 十水合物

pictograms

Health hazardExclamation mark
GHS08,GHS07

signalword

Danger

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

存储类别

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

wgk

WGK 1

flash_point_f

Not applicable

flash_point_c

Not applicable

历史批次信息供参考:

分析证书(COA)

Lot/Batch Number
BCCG7594
BCCG7595
WXBD4946V
WXBC5916V
0000107374

没有发现合适的版本？

如果您需要特殊版本，可通过批号或批次号查找具体证书。

搜索COA

已有该产品？

在文件库中查找您最近购买产品的文档。

访问文档库

相关内容

Environmental Methods Consumables Look Up Tool

This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.

Federico Corti et al.
Nature communications, 10(1), 1562-1562 (2019-04-07)
The proteoglycan Syndecan-2 (Sdc2) has been implicated in regulation of cytoskeleton organization, integrin signaling and developmental angiogenesis in zebrafish. Here we report that mice with global and inducible endothelial-specific deletion of Sdc2 display marked angiogenic and arteriogenic defects and impaired
Marco Frasconi et al.
Langmuir : the ACS journal of surfaces and colloids, 25(18), 11097-11104 (2009-08-22)
A highly stable biological film was prepared by casting an aqueous dispersion of protein and composite hydrogel obtained from the polysaccharide Scleroglucan (Sclg) and borax as a cross-linking agent. Heme proteins, such as hemoglobin (Hb), myoglobin (Mb), and horseradish peroxidase
Uttam Manna et al.
The journal of physical chemistry. B, 113(27), 9137-9142 (2009-06-18)
We report a multilayer film of poly(vinyl alcohol) (PVA)-borate complex and chitosan by using a layer-by-layer approach. PVA is an uncharged polymer, but hydroxyl functional groups of PVA can be cross-linked by using borax as a cross-linking agent. As a
查看所有相关文献

全球贸易项目编号

货号GTIN
S9640-500G04061835349784
S9640-2.5KG04061835349760
S9640-4X2.5KG04061836961619
S9640-25G04061835349777