S9640
Sodium tetraborate decahydrate
ACS reagent, ≥99.5%
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
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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.
Legal Information
signalword
Danger
hcodes
Hazard Classifications
Eye Irrit. 2 - Repr. 1B
wgk_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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