1.06304

Spectromelt^® B 10

di-Sodium tetraborate

• Sinonimo/i: Borax
• Formula empirica (notazione di Hill): B₄Na₂O₇
• Numero CAS: 1330-43-4
• Peso molecolare: 201.22
• Numero MDL: MFCD00081185
• Codice UNSPSC: 12352302
• Numero indice EU: 215-540-4
• NACRES: NA.21
• Saggio: ≥99.0% (acidimetric)
• Grado: for X-ray fluorescence analysis
• Stato: powder
• Solubilità: water: soluble 49.74 g/L at 20 °C (68 °F, Regulation (EC) No. 440/2008)

Proprietà

• Grado: for X-ray fluorescence analysis
• Livello qualitativo: 100
• Tensione di vapore: 7.3 hPa ( 1200 °C)
• Saggio: ≥99.0% (acidimetric)
• Stato: powder
• Potenza: >2000 mg/kg LD₅₀, skin (Rabbit)
• pH: 9.2 (20 °C, 25 g/L in H₂O)
• Punto di fusione: 742 °C
• Solubilità: water: soluble 49.74 g/L at 20 °C (68 °F, Regulation (EC) No. 440/2008)
• Densità: 2.37 g/cm³ at 20 °C
• Densità bulk: 700 kg/m³
• Anioni in tracce: chloride (Cl^-): ≤50 ppm; phosphate (PO₄^3-): ≤20 ppm; silicate (as SiO₂): ≤100 ppm; sulfate (SO₄^2-): ≤50 ppm
• Cationi in tracce: 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
• Temperatura di conservazione: 2-30°C
• Stringa SMILE: [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; HJIQVKXMQOLFFS-UHFFFAOYSA-N

Descrizione

Risultati analitici

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

Note legali

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

Informazioni sulla sicurezza

• Pittogrammi: GHS08,GHS07
• Avvertenze: Danger
• Indicazioni di pericolo: H319,H360FD
• Consigli di prudenza: P202 - P264 - P280 - P305 + P351 + P338 - P308 + P313 - P337 + P313
• Classi di pericolo: Eye Irrit. 2 - Repr. 1B
• Codice della classe di stoccaggio: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• Classe di pericolosità dell'acqua (WGK): WGK 1
• Punto d’infiammabilità (°F): Not applicable
• Punto d’infiammabilità (°C): Not applicable