Sodium hydroxide

grade

ACS reagent

Quality Level

200

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

Assay

≥97.0%

form

pellets

technique(s)

cell culture | mammalian: suitable
titration: suitable

impurities

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

mp

318 °C (lit.)

solubility

water: soluble 1 260 g/L at 20 °C

density

2.13 g/cm³ at 20 °C

anion traces

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

cation traces

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