1.06308
di-Sodium tetraborate decahydrate
for analysis ACS,ISO,Reag. Ph Eur
Synonym(s):
di-Sodium tetraborate decahydrate, Borax, Sodium biborate decahydrate, Sodium borate decahydrate
About This Item
Recommended Products
grade
ACS reagent
Quality Level
agency
reag. ISO
reag. Ph. Eur.
vapor pressure
0.213 hPa ( 20 °C)
assay
99.5-103.0% (acidimetric)
form
crystals
potency
2660 mg/kg LD50, oral (Rat)
>2000 mg/kg LD50, skin (Rabbit)
pH
9.2 (20 °C, 47 g/L in H2O)
mp
75 °C (Elimination of water of crystallisation)
solubility
49.74 g/L
density
1.72 g/cm3 at 20 °C
bulk density
750 kg/m3
storage temp.
2-30°C
InChI
1S/B4O7.2Na.10H2O/c5-1-9-3(7)11-4(8)10-2-6;;;;;;;;;;;;/h;;;10*1H2/q-2;2*+1;;;;;;;;;;
InChI key
OJPFLODMGUZMKD-UHFFFAOYSA-N
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Application
- Inhibition of boric acid and sodium borate on the biological activity of microorganisms in an aerobic biofilter.: This research examines the effects of di-sodium tetraborate decahydrate on the biological activity of microorganisms in an aerobic biofilter. The study finds that di-sodium tetraborate decahydrate can inhibit microbial activity, which has significant implications for waste treatment and environmental management. This inhibition property can be utilized to control microbial populations in various industrial processes, enhancing the efficiency and effectiveness of biofiltration systems (Gunes, 2013).
Analysis Note
Identity: passes test
Appearance of solution: passes test
Insoluble matter: ≤ 0.005 %
pH-value (0.01 M Solution, 25 °C): 9.15 - 9.20
pH-value (4 %, water): 9.0 - 9.6
Chloride (Cl): ≤ 0.0007 %
Phosphate (PO₄): ≤ 0.001 %
Sulfate (SO₄): ≤ 0.005 %
Heavy metals (as Pb): ≤ 0.001 %
As (Arsenic): ≤ 0.0005 %
Ca (Calcium): ≤ 0.005 %
Cu (Copper): ≤ 0.0005 %
Fe (Iron): ≤ 0.0005 %
NH₄ (Ammonium): ≤ 0.001 %
Pb (Lead): ≤ 0.0005 %
Corresponds to ACS,ISO,Reag. Ph Eur
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_germany
WGK 1
flash_point_f
Not applicable
flash_point_c
Not applicable
Certificates of Analysis (COA)
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