1.10783

Spectromelt^® A 10

(di-lithium tetraborate)

• Empirical Formula (Hill Notation): B₄Li₂O₇
• CAS Number: 12007-60-2
• Molecular Weight: 169.12
• MDL number: MFCD00011083
• UNSPSC Code: 12352302
• EC Index Number: 234-514-3
• NACRES: NA.21

Properties

• grade: for X-ray fluorescence analysis
• Quality Level: 100
• Assay: ≥99.0% (acidimetric)
• form: solid
• pH: 9.1 (20 °C, 100 g/L in H₂O, slurry)
• mp: 930 °C
• solubility: 141.2 g/L
• density: 2.35 g/cm³ at 20 °C
• bulk density: 330 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; Ba: ≤5 ppm; Ca: ≤20 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; Na: ≤20 ppm; Ni: ≤5 ppm; Pb: ≤5 ppm; Sr: ≤5 ppm; Zn: ≤5 ppm
• storage temp.: 2-30°C
• InChI: 1S/4B.2Li.7H2O/h;;;;;;7*1H2
• InChI key: DPYKRXYVXDYLEY-UHFFFAOYSA-N

Description

Linkage

Replaces: 10783; 10783-3

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): ≤ 20 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
Na (Sodium): ≤ 20 ppm
Ni (Nickel): ≤ 5 ppm
Pb (Lead): ≤ 5 ppm
Sr (Strontium): ≤ 5 ppm
Zn (Zinc): ≤ 5 ppm
Loss on ignition (1000 °C): ≤ 1.0 %
Bulk density: about 50

Legal Information

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

Safety Information

• Pictograms: GHS05,GHS07,GHS08
• Signal Word: Danger
• Hazard Statements: H302 - H318 - H361fd
• Precautionary Statements: P201 - P202 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Hazard Classifications: Acute Tox. 4 Oral - Eye Dam. 1 - Repr. 2
• Storage Class Code: 13 - Non Combustible Solids
• WGK: WGK 2
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable