硼酸，Boric acid；for analysis EMSURE® ACS,ISO,Reag. Ph Eur

等级

ACS reagent

质量水平

300

Agency

reag. ISO
reag. Ph. Eur.

蒸汽压

2.6 mmHg ( 20 °C)

产品线

EMSURE^®

测定

99.5-100.5% (alkalimetric)

形式

solid

效能

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

杂质

≤0.005% In methanol insoluble matter
≤0.05% Nonvolatile with methanol

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^-): ≤0.0003%
phosphate (PO₄^3-): ≤0.0005%
sulfate (SO₄^2-): ≤0.0005%

痕量阳离子

Ca: ≤0.002%
Fe: ≤0.0001%
Pb: ≤0.001%
heavy metals (as Pb): ≤0.0005%

储存温度

2-30°C

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N