1.06308

di-Sodium tetraborate decahydrate

for analysis ACS,ISO,Reag. Ph Eur

• Synonyma: di-Sodium tetraborate decahydrate, Borax, Sodium biborate decahydrate, Sodium borate decahydrate
• Empirický vzorec (Hillův zápis): B₄Na₂O₇ · 10H₂O
• Číslo CAS: 1303-96-4
• Molekulová hmotnost: 381.37
• MDL number: MFCD00149193
• UNSPSC Code: 12352302
• EC Index Number: 215-540-4
• NACRES: NB.21

Vlastnosti

• grade: ACS reagent
• Quality Level: 100
• 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

Popis

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

Assay (acidimetric): 99.5 - 103.0 %
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

Bezpečnostní informace

• pictograms: GHS07,GHS08
• signalword: Danger
• hcodes: H319 - H360FD
• pcodes: 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_germany: WGK 1
• flash_point_f: Not applicable
• flash_point_c: Not applicable