di-Sodium tetraborate decahydrate

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