十水合四硼酸二钠

产品名称

十水合四硼酸二钠, certified secondary standard reference material for pH measurement; directly traceable to primary SRM from NIST/PTB pH(S)=9.18₀ (25°C) Certipur^®

SMILES string

[Na+].[Na+].B([O-])(OB([O-])OB=O)OB=O.O.O.O.O.O.O.O.O.O.O

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

grade

certified reference material

agency

complies with DIN 19266

vapor pressure

0.213 hPa ( 20 °C)

product line

Certipur^®

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

application(s)

environmental
food and beverages
general analytical
industrial qc
pharmaceutical

format

neat

storage temp.

15-25°C

Quality Level

300