氢氧化钠

产品名称

氢氧化钠, pellets, EMPROVE^® EXPERT, Ph. Eur., BP, ChP, NF, JP

InChI

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

SMILES string

[OH-].[Na+]

InChI key

HEMHJVSKTPXQMS-UHFFFAOYSA-M

agency

BP
ChP
JP
NF
Ph. Eur.

vapor density

>1 (vs air)

vapor pressure

<18 mmHg ( 20 °C)
3 mmHg ( 37 °C)

description

suitable for the biopharmaceutical production

product line

EMPROVE^® EXPERT

assay

≥98.0-100.5% (total alkilinity calculated as NaOH)

form

pellets
solid

pH

>14 (20 °C, 100 g/L in H₂O)

mp

318 °C (lit.)

solubility

water: 1090 g/L at 20 °C

density

2.13 g/cm³ at 20 °C

anion traces

carbonate (as Na₂CO₃): ≤0.5%
chloride (Cl^-): ≤0.015%
phosphate (PO₄^3-): ≤0.001%
silicate (as SiO₂): ≤0.01%
sulfate (SO₄^2-): ≤0.010%

cation traces

Al: ≤0.001%
As: ≤0.0003%
Ca: ≤0.005%
Cu: ≤0.0005%
Fe: ≤0.0010%
Hg: ≤0.00001%
K: ≤0.05%
Mg: ≤0.002%
Ni: ≤0.001%
Pb: ≤0.00005%
Zn: ≤0.0025%
heavy metals (as Ag): ≤0.002%
heavy metals (as Pb): ≤0.0005%

application(s)

liquid formulation
parenterals
pharma/biopharma processes
pharmaceutical

storage temp.

15-25°C

Quality Level

500