氢氧化钠

产品名称

氢氧化钠, ACS reagent, ≥97.0%, pellets

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

InChI

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

SMILES string

[OH-].[Na+]

grade

ACS reagent

agency

suitable for DIN 38407-42
suitable for EPA 1621
suitable for EPA 533
suitable for EPA 8327
suitable for EPA OTM-45
suitable for SM 4500 - NH3

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

Quality Level

200

pH

(ca.> 14 at 100 g/l at 20 °C)

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%

application(s)

PFAS testing