229946
Sodium tetraborate
99.998% trace metals basis
Synonym(s):
Borax, fused
Select a Size
| Size/SKU | Availability | Price |
|---|---|---|
5 g | Check Cart for Availability | $40.00 |
25 g | Check Cart for Availability | $100.00 |
100 g | Check Cart for Availability | $298.00 |
About This Item
Quality Segment
assay
99.998% trace metals basis
form
powder
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
Application
- In the chemoselective oxidation of alkyl and aryl sulfides to sulfoxides and sulfones using H2O2 as the oxidant.
- In the synthesis of pyridines, dienes, anilines, and dihydropyrano[3,2-c]chromenes via Knoevenagel condensation and Michael addition pathway.
- In thiolysis of 1,2-epoxides to β-hydroxy sulfides.
Legal Information
1 of 1
This Item | |||
|---|---|---|---|
| description 99.998% trace metals basis | description 99% | description puriss. p.a., anhydrous, ≥98.0% (T) | description ReagentPlus®, ≥99.5% |
| form powder | form solid | form crystals | form powder |
| assay 99.998% trace metals basis | assay 99% | assay ≥98.0% (T) | assay ≥99.5% |
| Quality Level 100 | Quality Level 200 | Quality Level 200 | Quality Level 200 |
| density 2.367 g/mL at 25 °C (lit.) | density 2.367 g/mL at 25 °C (lit.) | density - | density 1.73 g/mL at 25 °C (lit.) |
| mp 741 °C (lit.) | mp 741 °C (lit.) | mp - | mp - |
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signalword
Danger
hcodes
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
Eyeshields, Gloves, type P3 (EN 143) respirator cartridges
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