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Merck
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71996

Sigma-Aldrich

无水硼砂

puriss. p.a., anhydrous, ≥98.0% (T)

别名:

四硼酸钠

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About This Item

线性分子式:
Na2B4O7
CAS号:
1330-43-4
分子量:
201.22
EC號碼:
215-540-4
MDL號碼:
MFCD00081185
分類程式碼代碼:
12352302
PubChem物質ID:
329763685
NACRES:
NA.22

品質等級

200

等級

puriss. p.a.

化驗

≥98.0% (T)

形狀

crystals

負離子痕跡

chloride (Cl-): ≤10 mg/kg
phosphate (PO43-): ≤20 mg/kg
sulfate (SO42-): ≤50 mg/kg

正離子痕跡

Ag: ≤5 mg/kg
Al: ≤5 mg/kg
Ba: ≤5 mg/kg
Bi: ≤5 mg/kg
Ca: ≤50 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤5 mg/kg
Cu: ≤5 mg/kg
Fe: ≤10 mg/kg
K: ≤50 mg/kg
Li: ≤5 mg/kg
Mg: ≤5 mg/kg
Mn: ≤5 mg/kg
Mo: ≤5 mg/kg
Ni: ≤5 mg/kg
Pb: ≤5 mg/kg
Sr: ≤5 mg/kg
Tl: ≤5 mg/kg
Zn: ≤5 mg/kg

應用

forensics and toxicology

SMILES 字串

[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 密鑰

UQGFMSUEHSUPRD-UHFFFAOYSA-N

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相关类别

應用

无水硼砂可用作硼源，用于以 ZrO2 和硅为原料通过新型环保的硅热还原法合成纯相ZrB2粉末。它也可用于制备硼氢化钠、纳米级二硼化钛和碱活化硼硅酸盐无机聚合物。

其他說明

用于通过熔融法分解氧化物和硅酸盐的试剂

法律資訊

象形圖

Health hazardExclamation mark
GHS08,GHS07

訊號詞

Danger

危險聲明

H319,H360FD

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

個人防護裝備

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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分析证书(COA)

Lot/Batch Number
BCCL3393
BCCL7413
BCCM3357
BCCK1157
BCCK5266

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R. Bock
Aufschlussmethoden der anorg. & org. Chemie (1972)
Z. Sulcek et al.
Methods of Decomposition in Inorganic Analysis (1989)
William R Gunther et al.
Nature communications, 3, 1109-1109 (2012-10-11)
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
Shridhar K Sathe et al.
Journal of agricultural and food chemistry, 57(17), 7846-7856 (2009-08-07)
The solubility of almond, Brazil nut, cashew nut, hazelnut, macadamia, pecan, pine nut, pistachio, walnut, and peanut proteins in several aqueous solvents was qualitatively and quantitatively assessed. In addition, the effects of extraction time and ionic strength on protein solubility
Qianqian Zhu et al.
Journal of chromatography. A, 1246, 35-39 (2012-03-03)
A technique known as field enhancement sample stacking (FESS) and capillary electrophoresis (CE) separation has been developed to analyze and detect organic acids in the three traditional Chinese medicines (such as Portulaca oleracea L., Crataegus pinnatifida and Aloe vera L.).
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