1.06304

Spectromelt^® B 10

di-Sodium tetraborate

• Synonyma: Borax
• Empirický vzorec (Hillův zápis): B₄Na₂O₇
• Číslo CAS: 1330-43-4
• Molekulová hmotnost: 201.22
• MDL number: MFCD00081185
• UNSPSC Code: 12352302
• EC Index Number: 215-540-4
• NACRES: NA.21
• assay: ≥99.0% (acidimetric)
• grade: for X-ray fluorescence analysis
• form: powder
• solubility: water: soluble 49.74 g/L at 20 °C (68 °F, Regulation (EC) No. 440/2008)

Vlastnosti

• grade: for X-ray fluorescence analysis
• Quality Level: 100
• vapor pressure: 7.3 hPa ( 1200 °C)
• assay: ≥99.0% (acidimetric)
• form: powder
• potency: >2000 mg/kg LD₅₀, skin (Rabbit)
• pH: 9.2 (20 °C, 25 g/L in H₂O)
• mp: 742 °C
• solubility: water: soluble 49.74 g/L at 20 °C (68 °F, Regulation (EC) No. 440/2008)
• density: 2.37 g/cm³ at 20 °C
• bulk density: 700 kg/m³
• anion traces: chloride (Cl^-): ≤50 ppm; phosphate (PO₄^3-): ≤20 ppm; silicate (as SiO₂): ≤100 ppm; sulfate (SO₄^2-): ≤50 ppm
• cation traces: Ag: ≤5 ppm; Al: ≤10 ppm; Ba: ≤5 ppm; Ca: ≤10 ppm; Cd: ≤5 ppm; Co: ≤5 ppm; Cr: ≤5 ppm; Cu: ≤5 ppm; Fe: ≤10 ppm; Ga: ≤5 ppm; K: ≤10 ppm; Mg: ≤5 ppm; Mn: ≤5 ppm; Ni: ≤5 ppm; Pb: ≤5 ppm; Sr: ≤5 ppm; Zn: ≤5 ppm
• storage temp.: 2-30°C
• SMILES string: [Na+].[Na+].[B+3].[B+3].[B+3].[B+3].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].O.O.O.O.O.O.O
• InChI: 1S/4B.2Na.7H2O.7O/h;;;;;;7*1H2;;;;;;;/q4*+3;2*+1;;;;;;;;7*-2
• InChI key: HJIQVKXMQOLFFS-UHFFFAOYSA-N

Popis

Analysis Note

Assay (acidimetric): ≥ 99.0 %
Chloride (Cl): ≤ 50 ppm
Phosphate (PO₄): ≤ 20 ppm
Silicate (SiO₂): ≤ 100 ppm
Sulfate (SO₄): ≤ 50 ppm
Ag (Silver): ≤ 5 ppm
Al (Aluminium): ≤ 10 ppm
Ba (Barium): ≤ 5 ppm
Ca (Calcium): ≤ 10 ppm
Cd (Cadmium): ≤ 5 ppm
Co (Cobalt): ≤ 5 ppm
Cr (Chromium): ≤ 5 ppm
Cu (Copper): ≤ 5 ppm
Fe (Iron): ≤ 10 ppm
Ga (Gallium): ≤ 5 ppm
K (Potassium): ≤ 10 ppm
Mg (Magnesium): ≤ 5 ppm
Mn (Manganese): ≤ 5 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sr (Strontium): ≤ 5 ppm
Zn (Zinc): ≤ 5 ppm
Loss on ignition (800 °C): ≤ 1.0 %
Bulk density: about 70

Legal Information

SPECTROMELT is a registered trademark of Merck KGaA, Darmstadt, Germany

Bezpečnostní informace

• pictograms: GHS08,GHS07
• 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