氢氧化钠，Sodium hydroxide；anhydrous, free-flowing, pellets, Redi-Dri™, ACS reagent, ≥97%

等级

ACS reagent
anhydrous

质量水平

100

蒸汽密度

>1 (vs air)

蒸汽压

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

产品线

Redi-Dri^™

测定

≥97%

形式

pellets

质量

free-flowing

杂质

≤0.001% N compounds
≤0.02% NH₄OH ppt.
≤1.0% Na₂CO₃

mp

318 °C (lit.)

溶解性

water: soluble 1260 g/L at 20 °C

密度

2.13 g/cm³

痕量阴离子

chloride (Cl^-): ≤0.005%
phosphate (PO₄^3-): ≤0.001%
sulfate (SO₄^2-): ≤0.003%

痕量阳离子

Fe: ≤0.001%
Hg: ≤0.1 ppm
K: ≤0.02%
Ni: ≤0.001%
heavy metals (as Ag): ≤0.002%

SMILES string

[OH-].[Na+]

InChI

1S/Na.H2O/h;1H2/q+1;/p-1

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M