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Key Documents

B6768

Sigma-Aldrich

硼酸

BioReagent, for molecular biology, suitable for cell culture, suitable for plant cell culture, ≥99.5%

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About This Item

線性公式:
H3BO3
CAS號碼:
分子量::
61.83
EC號碼:
MDL號碼:
分類程式碼代碼:
12161700
eCl@ss:
38120104
PubChem物質ID:
NACRES:
NA.25

等級

for molecular biology

品質等級

蒸汽壓力

2.6 mmHg ( 20 °C)

產品線

BioReagent

化驗

≥99.5%

形狀

powder

技術

cell culture | mammalian: suitable
cell culture | plant: suitable

pH值

5.1 (25 °C, 1.8 g/L)

mp

160 °C (dec.) (lit.)

溶解度

water: 40 mg/mL, clear, colorless

密度

1.49 g/cm3 at 23 °C

正離子痕跡

Fe: ≤5 ppm
Mg: ≤5 ppm
heavy metals (as Pb): ≤10 ppm

紫外吸收

λ: 260 nm Amax: 0.05
λ: 280 nm Amax: 0.05

異物活動

DNase, RNase, and protease, none detected

儲存溫度

room temp

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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一般說明

硼酸是一种弱单碱基路易斯酸(电子对受体),与醇发生可逆反应。因为具有温和的抗菌和抗真菌作用,它被用于皮肤和妇女卫生产品。硼酸在眼科产品中用作缓冲剂。分子结构使它成为一种高效的固体润滑剂。硼酸可用于玻璃制造和阻燃剂。硼酸在生物化学中用作缓冲溶液。它也在溶液中形成复杂的平衡,以四硼酸离子(B4O7 2-)为优势种。硼酸缓冲液涉及不连续电泳和毛细管电泳系统分离蛋白质和核酸。

應用

用于促进催化量的羧酸与胺的酰胺化反应。该技术无需羧酸预活化或使用偶联剂。
增强型共沸蒸馏:用于优化直接酰胺化反应的策略
硼酸已用于:
  • 制备硼酸缓冲液,用于纳米胶囊表面伯胺的定量测定
  • 研究其对表观遗传变化的影响
  • 使用凯氏定氮法测定小麦草中的蛋白质含量

特點和優勢

  • 环保
  • 无毒性 

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

個人防護裝備

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


分析證明 (COA)

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