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71996

Sigma-Aldrich

无水硼砂

puriss. p.a., anhydrous, ≥98.0% (T)

同義詞:

四硼酸钠

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About This Item

線性公式:
Na2B4O7
CAS號碼:
分子量::
201.22
EC號碼:
MDL號碼:
分類程式碼代碼:
12352302
PubChem物質ID:
NACRES:
NA.22

品質等級

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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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

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

個人防護裝備

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


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