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Merck

B6768

Sigma-Aldrich

Boric acid

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

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About This Item

Wzór liniowy:
H3BO3
Numer CAS:
Masa cząsteczkowa:
61.83
Numer WE:
Numer MDL:
Kod UNSPSC:
12161700
eCl@ss:
38120104
Identyfikator substancji w PubChem:
NACRES:
NA.25

klasa czystości

for molecular biology

Poziom jakości

ciśnienie pary

2.6 mmHg ( 20 °C)

linia produktu

BioReagent

Próba

≥99.5%

Postać

powder

metody

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

pH

5.1 (25 °C, 1.8 g/L)

mp

160 °C (dec.) (lit.)

rozpuszczalność

water: 40 mg/mL, clear, colorless

gęstość

1.49 g/cm3 at 23 °C

ślady kationów

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

absorpcja UV

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

obecność zanieczyszczeń

DNase, RNase, and protease, none detected

temp. przechowywania

room temp

ciąg SMILES

OB(O)O

InChI

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

Klucz InChI

KGBXLFKZBHKPEV-UHFFFAOYSA-N

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Opis ogólny

Boric acid is a weak monobasic Lewis acid (electron pair acceptor), which reacts reversibly with alcohols. It is used in dermal and women′s hygiene products due to its mild antibacterial and antifungal effects. Boric acid is used as a buffer in ophthalmic products. It acts as an effective solid lubrication agent because of its molecular structure. Boric acid finds its applications in glass making, fire retardant. Boric acid is used in biochemistry in buffer solutions. It also forms complex equilibria in solution, with the tetraborate ion (B4O7 2- ) being the predominant species. Borate buffers are involved in discontinuous electrophoresis and capillary electrophoresis systems for the separation of proteins and nucleic acids.

Zastosowanie

Boric acid has been used:
  • to prepare boric buffer for the quantification of primary amine groups at the surface of nanocapsules
  • to study its effects on epigenetic change
  • for the estimation of protein in wheatgrass using Kjeldahl method

Used to promote amidations of carboxylic acids and amines in catalytic amounts. This technology avoids the requirement of preactivation of the carboxylic acid or use of coupling reagents.
Intensified Azeotropic Distillation: A Strategy for Optimizing Direct Amidation

Cechy i korzyści

  • Environment-friendly
  • Non-toxic 

This page may contain text that has been machine translated.

Piktogramy

Health hazard

Hasło ostrzegawcze

Danger

Zwroty wskazujące rodzaj zagrożenia

Zwroty wskazujące środki ostrożności

Klasyfikacja zagrożeń

Repr. 1B

Kod klasy składowania

6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects

Klasa zagrożenia wodnego (WGK)

WGK 1

Temperatura zapłonu (°F)

Not applicable

Temperatura zapłonu (°C)

Not applicable

Środki ochrony indywidualnej

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


Certyfikaty analizy (CoA)

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