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Merck

B0394

Sigma-Aldrich

硼酸

ACS reagent, ≥99.5%

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About This Item

线性分子式:
H3BO3
CAS号:
分子量:
61.83
EC號碼:
MDL號碼:
分類程式碼代碼:
12352106
eCl@ss:
38120104
PubChem物質ID:
NACRES:
NA.21

等級

ACS reagent

品質等級

agency

suitable for SM 4500 - NH3
suitable for SM 5210

蒸汽壓力

2.6 mmHg ( 20 °C)

化驗

≥99.5%

形狀

powder

技術

PCR: suitable

雜質

≤0.005% Insoluble in methanol
≤0.05% Nonvolatile with methanol

mp

160 °C (dec.) (lit.)

溶解度

water: soluble

密度

1.440 g/cm3

負離子痕跡

chloride (Cl-): ≤0.001%
phosphate (PO43-): ≤0.001%
sulfate (SO42-): ≤0.01%

正離子痕跡

Ca: ≤0.005%
Fe: ≤0.001%
heavy metals: ≤0.001% (by ICP)

SMILES 字串

OB(O)O

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI 密鑰

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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相关类别

一般說明

硼酸是一种弱单碱路易斯酸(电子对受体),广泛用于玻璃制造、阻燃剂、润滑剂、缓冲剂和中子吸收剂。

應用

硼酸可作为催化剂来合成:
  • 通过肉桂酸与苯胺的酰胺化反应制备 N-取代肉桂酰胺。
  • 以甘油为助催化剂,通过环氧化物与芳香胺的区域选择性开环制备 β-氨基醇。
  • 通过硫醇到α, β-不饱和化合物的硫杂 Michael 加成制备有机硫化合物。
它也可用作活化剂,在硼氢化钠环境下通过醛和酮醇的无溶剂还原制备醇类。

象形圖

Health hazard

訊號詞

Danger

危險聲明

危險分類

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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