硼酸，Boric acid；puriss., meets analytical specification of Ph. Eur., BP, NF, 99.5-100.5%, powder

蒸汽压

2.6 mmHg ( 20 °C)

质量水平

200

等级

puriss.

测定

99.5-100.5%

形式

powder

质量

meets analytical specification of Ph. Eur., BP, NF

杂质

organic substances, complies
residual solvents, complies
≤0.001% heavy metals (as Pb)

缺失

≤0.5% loss on drying, 5 h (on silica gel)

pH值（酸碱度）

3.8-4.8 (20 °C, 3.3%)

mp

160 °C (dec.) (lit.)

溶解性

ethanol: in accordance

密度

1.440 g/cm³

痕量阴离子

sulfate (SO₄^2-): ≤400 mg/kg

痕量阳离子

As: ≤5 mg/kg
Fe: ≤5 mg/kg

适用性

complies for appearance of solution

SMILES string

OB(O)O

InChI

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

InChI key

KGBXLFKZBHKPEV-UHFFFAOYSA-N