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11625

Sigma-Aldrich

Sodium tetraborate decahydrate

puriss., meets analytical specification of Ph. Eur., BP, NF, 99.0-103.0%

Sinonimo/i:

Borax decahydrate, Sodium borate decahydrate

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About This Item

Formula condensata:
Na2B4O7 · 10H2O
Numero CAS:
Peso molecolare:
381.37
Numero CE:
Numero MDL:
Codice UNSPSC:
12352302
ID PubChem:
NACRES:
NA.22

agenzia

Ph. Eur.

Livello qualitativo

Grado

puriss.

Saggio

99.0-103.0%

Stato

crystalline

Qualità

meets analytical specification of Ph. Eur., BP, NF

Impurezze

carbonate and Bicarbonate, complies
organic volatile impurities, complies
residual solvents, complies
≤0.001% ammonium (NH4)
≤0.002% heavy metals (as Pb)

pH

9.0-9.6 (20 °C, 5%)

Densità

1.73 g/mL at 25 °C (lit.)

Anioni in tracce

chloride (Cl-): ≤50 mg/kg
sulfate (SO42-): ≤50 mg/kg

Cationi in tracce

As: ≤3 mg/kg
Ca: ≤100 mg/kg
Fe: ≤20 mg/kg
Mg: ≤10 mg/kg

Compatibilità

complies for appearance of solution

Temperatura di conservazione

room temp

Stringa SMILE

O.O.O.O.O.O.O.O.O.O.[Na+].[Na+].[O-]B1Ob2ob([O-])ob(O1)o2

InChI

1S/B4O7.2Na.10H2O/c5-1-7-3-9-2(6)10-4(8-1)11-3;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
CDMADVZSLOHIFP-UHFFFAOYSA-N

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Categorie correlate

Note legali

Pittogrammi

Health hazardExclamation mark

Avvertenze

Danger

Indicazioni di pericolo

Classi di pericolo

Eye Irrit. 2 - Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable


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Oxidized alginate (ADA) and oxidized alginate blended with chitosan (ADA-Chit) were prepared in the presence of borax and CaCl 2, and their interactions with an antifolate drug, pyrimethamine (PYR), have been investigated. Tablets with a mean diameter of 1.2 +/-
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Journal of applied toxicology : JAT, 28(5), 658-664 (2007-11-21)
Titanium dioxide (TiO(2)) is a potential carcinogenic/mutagenic agent although it is used in many areas including medical industries and cosmetics. Boron (as boric acid and borax) has also well-described biological effects and therapeutic benefits. In a previous study, sister-chromatid exchanges
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Journal of chromatography. A, 1218(24), 3816-3821 (2011-05-14)
The paper presents an on-line transient moving chemical reaction boundary (MCRB) method for simply but efficiently stacking analytes in capillary electrophoresis (CE). The CE technique was developed for a rapid determination of fumaric and maleic acid. Based on the theory
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Guar gum is a galactomannan that assumes a very flexible conformation in solution, while Scleroglucan is a very rigid polysaccharide that dissolves in water as triple helices. Both polymers can form gels in the presence of borax. Despite their structural
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A highly stable biological film was prepared by casting an aqueous dispersion of protein and composite hydrogel obtained from the polysaccharide Scleroglucan (Sclg) and borax as a cross-linking agent. Heme proteins, such as hemoglobin (Hb), myoglobin (Mb), and horseradish peroxidase

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