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Merck

31457

Sigma-Aldrich

四硼酸钠 十水合物

puriss. p.a., ACS reagent, reag. ISO, buffer substance, ≥99.5%

别名:

硼砂 十水合物, 硼酸钠 十水合物

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About This Item

线性分子式:
Na2B4O7 · 10H2O
CAS号:
分子量:
381.37
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NB.24

等級

ACS reagent
puriss. p.a.

agency

reag. ISO

化驗

≥99.5%

形狀

powder or crystals

pH值

9.0-9.6 (20 °C, 5%)

密度

1.73 g/mL at 25 °C (lit.)

負離子痕跡

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

正離子痕跡

As: ≤1 mg/kg
Ca: ≤50 mg/kg
Cu: ≤5 mg/kg
Fe: ≤5 mg/kg
Pb: ≤5 mg/kg

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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應用

十水四硼酸钠可用于以下研究:
  • 用于定量测定己糖醛酸的改进咔唑法。
  • 通过毛细管电泳结合紫外检测对氨基糖苷类抗生素(双氢链霉素和链霉素)进行定量估计。
  • 配制缓冲液和胆酸钠溶液 (pH 9.2),用于农药的胶束电动色谱 (MEKC) 定量。

法律資訊

象形圖

Health hazardExclamation mark

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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Ana Juan-García et al.
Journal of chromatography. A, 1073(1-2), 229-236 (2005-05-25)
Two procedures based on solid-phase extraction (SPE) and stir-bar sorptive extraction (SBSE) in combination with micellar electrokinetic chromatography (MEKC)--diode array detection (DAD) were compared for the simultaneous extraction of acrinathrin, bitertanol, cyproconazole, fludioxonil, flutriafol, myclobutanil, pyriproxyfen, and tebuconazole in lettuce
A partial modification of the carbazole method of Bitter and Muir for quantitation of hexuronic acids.
M Kosakai et al.
Analytical biochemistry, 93(2), 295-298 (1979-03-01)
The analysis of aminoglycoside antibiotics by capillary electrophoresis.
Flurer CL.
Journal of Pharmaceutical and Biomedical Analysis, 13(7), 809-816 (1995)
Crystal structures of sodium sulfate decahydrate (Glauber's salt) and sodium tetraborate decahydrate (borax). Redetermination by neutron diffraction.
Levy HA and Lisensky GC.
Acta Crystallographica Section B, Structural Science, Crystal Engineering and Materials, 34(12), 3502-3510 (1978)
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

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