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221732

Sigma-Aldrich

Sodium tetraborate

99%

Sinonimo/i:

Borax, fused

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About This Item

Formula condensata:
Na2B4O7
Numero CAS:
1330-43-4
Peso molecolare:
201.22
Numero CE:
215-540-4
Numero MDL:
MFCD00081185
Codice UNSPSC:
12352302
ID PubChem:
24853258
NACRES:
NA.22

agenzia

suitable for SM 4500 - NH3

Livello qualitativo

200

Saggio

99%

Forma fisica

solid

Punto di fusione

741 °C (lit.)

Densità

2.367 g/mL at 25 °C (lit.)

Stringa SMILE

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

InChI

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

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Categorie correlate

Applicazioni

Sodium tetraborate (Na2B4O7) can be used as a co-catalyst for the oxidation of alcohols to corresponding carbonyl compounds in greener non-chlorinated solvents in the presence of TEMPO/NaOCl. It is also used as a structure-directing agent as well as a catalyst in the preparation of carbon aerogels using glucose as the carbon precursor.

Note legali

Pittogrammi

Health hazardExclamation mark
GHS08,GHS07

Avvertenze

Danger

Indicazioni di pericolo

H319,H360FD

Classi di pericolo

Eye Irrit. 2 - Repr. 1B

Codice della classe di stoccaggio

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

Classe di pericolosità dell'acqua (WGK)

WGK 1

Punto d’infiammabilità (°F)

Not applicable

Punto d’infiammabilità (°C)

Not applicable

Dispositivi di protezione individuale

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

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Certificati d'analisi (COA)

Lot/Batch Number
BCCG2816
BCCD1024
BCBW8375
BCBT8965
BCBQ7492V

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Supelco

Supelco

1.06308

di-Sodium tetraborate decahydrate

Sodium tetraborate decahydrate puriss. p.a., ACS reagent, reag. ISO, buffer substance, ≥99.5%

Sigma-Aldrich

31457

Sodium tetraborate decahydrate

3-Phenylphenol 85%

Sigma-Aldrich

262250

3-Phenylphenol

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

Sigma-Aldrich

B6768

Acido borico

di-Sodium tetraborate for analysis (ca. 85% Na₂B₄O₇)

Supelco

1.06310

di-Sodium tetraborate

Borax-Mediated Formation of Carbon Aerogels from Glucose
Fellinger T-P, et al.
Advances in Functional Materials, 22(15), 3254-3260 (2012)
Zichen Zhao et al.
Foods (Basel, Switzerland), 10(7) (2021-08-08)
UV-B illumination facilitates aggregation of alpha-lactalbumin (α-LA) by intramolecular disulfide bond cleavage followed by intermolecular thiol-disulfide exchange reactions. However, long term exposure to UV-B illumination may induce undesired oxidative modifications of amino acid residues in the protein. The purpose of
Jamshed Iqbal et al.
Journal of chromatography. A, 1218(29), 4764-4771 (2011-06-15)
A simple, efficient, and highly sensitive in-line CE method was developed for the characterization and for inhibition studies of the nucleoside-metabolizing enzymes purine nucleoside phosphorylase (PNP) and adenosine deaminase (ADA) present in membrane preparations of human 1539 melanoma cells. After
Ruina Li et al.
Journal of hazardous materials, 248-249, 268-275 (2013-02-07)
Rapid analysis of trace amount of aromatic amines in environmental samples and daily necessities has attracted considerable attentions because some of them are strongly toxic and carcinogenic. In this study, fast and efficient electrophoretic separation and sensitive determination of 5
Tingyao Zhou et al.
Nanoscale, 4(17), 5312-5315 (2012-07-28)
A facile approach was developed to prepare positively charged and red-emitting lysozyme-stabilized Ag nanoclusters (Lys-AgNCs) using NaBH₄ as a reducing agent at room temperature. The Lys-AgNCs can be applied in the highly selective detection of Hg²⁺.
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