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Merck

B7901

Sigma-Aldrich

硼酸

suitable for electrophoresis, ≥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:
12161700
eCl@ss:
38120104
PubChem物質ID:
NACRES:
NA.25

蒸汽壓力

2.6 mmHg ( 20 °C)

品質等級

化驗

≥99.5%

形狀

powder

技術

electrophoresis: suitable

雜質

≤0.005% Insoluble in methanol

pH值

8.2-10.1

mp

160 °C (dec.) (lit.)

溶解度

H2O: 40 mg/mL, clear, colorless

密度

1.43 g/cm3 at 20 °C

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 (as Pb): ≤0.001%

適合性

suitable for electrophoresis (as a reagent)

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

硼酸是一种弱酸,广泛用作多功能溶液(MPS)的缓冲剂。它在自然界中毒性较低,不挥发。

應用

硼酸已被用作tris硼酸盐缓冲液缓冲液的成分:
  • 用于tRNA样品(80)的天然聚丙烯酰胺凝胶电泳(PAGE)和尿素变性PAGE
  • RNA样品(81)的尿素聚丙烯酰胺电泳
  • DNA样品(82)的琼脂糖凝胶电泳

生化/生理作用

硼酸可用作牙周治疗中的冲洗液,因为它会引发根管微生物生物膜的杀菌作用。 硼酸可促进成骨细胞活性并抑制骨质流失。它会抑制白色念珠菌造成的真菌感染,并具有治疗阴道感染的潜力。

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

6.1C - Combustible acute toxic Cat.3 / toxic compounds or compounds which 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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