S9640
Sodium tetraborate decahydrate
ACS reagent, ≥99.5%
Synonym(s):
Borax decahydrate, Sodium borate decahydrate
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About This Item
grade
ACS reagent
Quality Level
agency
suitable for SM 4500 - NH3
vapor pressure
0.213 hPa ( 20 °C)
assay
≥99.5%
form
powder or crystals
impurities
≤0.005% Insoluble matter
pH
9.15-9.20 (25 °C, 0.01 M in solution)
density
1.73 g/mL at 25 °C (lit.)
anion traces
chloride (Cl-): ≤0.001%, phosphate (PO43-): ≤0.001%, sulfate (SO42-): ≤0.005%
cation traces
Ca: ≤0.005%, Fe: ≤5 ppm, heavy metals (as Pb): ≤0.001%
SMILES string
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;;;;;;;;;;
InChI key
CDMADVZSLOHIFP-UHFFFAOYSA-N
General description
Application
- Regioselective thiolysis of 1,2-epoxides by using thiols to synthesize β-hydroxy sulfides.
- Hetero-Michael addition of thiols with electron-deficient olefins to synthesize corresponding β-adducts.
- Solvent-free Biginelli reaction to synthesize 3,4-dihydropyrimidin-2(1H)-ones.
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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
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This page is intended to make it easier to find the consumables you need based on the analytical method you’re using. Methods included on this page come from the EPA, Standard Methods and ASTM.
Global Trade Item Number
| SKU | GTIN |
|---|---|
| S9640-500G | 04061835349784 |
| S9640-2.5KG | 04061835349760 |
| S9640-4X2.5KG | 04061836961619 |
| S9640-25G | 04061835349777 |