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B7901

Acido borico

suitable for electrophoresis, ≥99.5%

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Voi/SKUDisponibilitàPrezzo
500 g
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CHF 181.00
1 kg
Per conoscere la disponibilità, visualizza il carrello
CHF 351.00

Informazioni su questo articolo

Formula condensata:
H3BO3
Numero CAS:
Peso molecolare:
61.83
PubChem Substance ID:
eCl@ss:
38120104
UNSPSC Code:
12161700
NACRES:
NA.25
EC Number:
233-139-2
MDL number:
Assay:
≥99.5%
Form:
powder
Grade:
electrophoresis grade

CHF 181.00


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grade

electrophoresis grade

Quality Segment

vapor pressure

2.6 mmHg ( 20 °C)

assay

≥99.5%

form

powder

technique(s)

electrophoresis: suitable

impurities

≤0.005% Insoluble in methanol

pH

8.2-10.1

mp

160 °C (dec.) (lit.)

solubility

H2O: 40 mg/mL, clear, colorless

density

1.43 g/cm3 at 20 °C

anion traces

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

cation traces

Ca: ≤0.005%, Fe: ≤0.001%, heavy metals (as Pb): ≤0.001%

suitability

suitable for electrophoresis (as a reagent)

storage temp.

room temp

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N

General description

Boric acid is a weak acid and is widely used in multi-purpose solutions (MPS) as a buffering agent. It is less toxic and non-volatile in nature.

Application

Boric acid has been used as a component of tris borate buffer:
  • for native polyacrylamide gel electrophoresis (PAGE) and denaturing urea-PAGE of tRNA samples(80)
  • for urea-polyacrylamide electrophoresis of RNA samples(81)
  • for agarose gel electrophoresis of DNA samples(82)

Biochem/physiol Actions

Boric acid is used in the periodontal therapy as an irrigation solution as it elicits bactericidal effects in microbial biofilms in root canal. Boric acid may favor osteoblastic activity and inhibit bone loss. It inhibits Candida albicans fungal infection and has potential to treat vaginal infection.

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Questo articolo
11607B264531146
Acido borico suitable for electrophoresis, ≥99.5%

Sigma-Aldrich

B7901

Acido borico

Acido borico puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

Sigma-Aldrich

11607

Acido borico

Acido borico tablet, 1 g boric acid per tablet

Sigma-Aldrich

B2645

Acido borico

Acido borico puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, ≥99.8%

Sigma-Aldrich

31146

Acido borico

description

suitable for electrophoresis, ≥99.5%

description

puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

description

tablet, 1 g boric acid per tablet

description

puriss. p.a., ACS reagent, reag. ISO, reag. Ph. Eur., buffer substance, ≥99.8%

grade

electrophoresis grade

grade

puriss.

grade

-

grade

ACS reagent, puriss. p.a.

assay

≥99.5%

assay

99.5-100.5%

assay

≥95% (titration)

assay

≥99.8%

Quality Level

200

Quality Level

200

Quality Level

200

Quality Level

200

form

powder

form

powder

form

tablet

form

powder or crystals

pH

8.2-10.1

pH

3.8-4.8 (20 °C, 3.3%)

pH

5.1 (25 °C, 1.8 g/L)

pH

3.6-4.0 (20 °C, 4%)

solubility

H2O: 40 mg/mL, clear, colorless

solubility

ethanol: in accordance

solubility

water: 1 tablet/100mL, clear, colorless

solubility

water: soluble


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Pittogrammi

Health hazard

Parola di avvertenza

Danger

Codici di pericolo

Hazard Classifications

Repr. 1B

Classe di stoccaggio

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

Che succede?

WGK 1

Punto di infiammabilità (°F)

Not applicable

Punto di infiammabilità (°C)

Not applicable

DPI (dispositivi di protezione individuale)

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



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