硼酸，Boric acid；99.9999 Suprapur®

等级

for inorganic trace analysis

质量水平

100

蒸汽压

2.6 mmHg ( 20 °C)

测定

≥99% (acidimetric)
99.9999%

形式

solid

效能

2660 mg/kg LD₅₀, oral (Rat)
>2000 mg/kg LD₅₀, skin (Rat)

pH值（酸碱度）

3.8-4.8 (20 °C, 33 g/L in H₂O)

mp

160 °C (dec.) (lit.)

溶解性

49.2 g/L

密度

1.489 g/cm³ at 23 °C

堆积密度

400‑600 kg/m³

痕量阴离子

chloride (Cl^-): ≤3 ppm
phosphate (PO₄^3-): ≤0.5 ppm
silicate (as SiO₂): ≤0.5 ppm
sulfate (SO₄^2-): ≤5 ppm

痕量阳离子

Ag: ≤0.010 ppm
Al: ≤0.050 ppm
As: ≤0.050 ppm
Au: ≤0.020 ppm
Ba: ≤0.050 ppm
Be: ≤0.010 ppm
Ca: ≤0.050 ppm
Cd: ≤0.010 ppm
Co: ≤0.010 ppm
Cr: ≤0.010 ppm
Cu: ≤0.010 ppm
Fe: ≤0.050 ppm
Ga: ≤0.050 ppm
In: ≤0.020 ppm
K: ≤0.10 ppm
Li: ≤0.010 ppm
Mg: ≤0.10 ppm
Mn: ≤0.010 ppm
Mo: ≤0.010 ppm
N: ≤0.010 ppm
Na: ≤0.050 ppm
Pb: ≤0.020 ppm
Sr: ≤0.010 ppm
Tl: ≤0.020 ppm
V: ≤0.010 ppm
Zn: ≤0.010 ppm

SMILES string

OB(O)O

储存温度

2-30°C

InChI

1S/BH3O3/c2-1(3)4/h2-4H

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N