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221732

Sodium tetraborate

Name: Sodium tetraborate
Brand: ALDRICH

99%

Synonym(s):

Borax, fused

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About This Item

Linear Formula:

Na₂B₄O₇

CAS Number:

1330-43-4

Molecular Weight:

201.22

NACRES:

NA.22

PubChem Substance ID:

24853258

UNSPSC Code:

12352302

EC Number:

215-540-4

MDL number:

MFCD00081185

eCl@ss:

32150319

Assay:

99%

Form:

solid

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Properties

agency

suitable for SM 4500 - NH3

Quality Segment

200

assay

99%

form

solid

mp

741 °C (lit.)

density

2.367 g/mL at 25 °C (lit.)

SMILES string

[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

InChI key

UQGFMSUEHSUPRD-UHFFFAOYSA-N

Description

Application

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.

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Pictograms

GHS08,GHS07

Signal Word

Danger

Hazard Codes

H319,H360FD

Precautionary Statements

P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313

Hazard Classifications

Eye Irrit. 2 - Repr. 1B

Storage Class

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

WGK

WGK 1

Flash Point (°F)

Not applicable

Flash Point (°C)

Not applicable

PPE (personal protective equipment)

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

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