Sodium hydroxide ≥98.0%, pellets, EMPROVE® EXPERT NF, JP, Ph. Eur., BP for biopharmaceutical production, SAFC®
Supplier: MERCK PRODUCTION CHEMICALS
Certificates
About this item
Synonyms: Caustic soda
CAS Number:1310-73-2
:
Formula:NaOH
MDL Number:MFCD00003548
:40 g/mol
Merck Index:14,08627
Boiling Pt:1390 °C (1013 hPa)
Melting Pt:323 °C
Density:2.13 g/cm³ (20 °C)
Storage Temperature:Ambient
EINECS:215-185-5
UN:1823
ADR:8,
REACH:01-2119457892-27
:GHS05
Specifications
- Environmentally Preferable:
Specifications
Specification Test Results
- Assay (acidimetric,NaOH):≥ 98.0 %
- Assay (total alkalinity calc. as NaOH):98.0 - 100.5 %
- Assay (Na):54.0 - 59.8 %
- Identity:passes test
- Appearance of solution:passes test
- Insoluble substances and organic matter:passes test
- Carbonate (as Na₂CO₃):≤ 0.5 %
- Chloride (Cl):≤ 0.015 %
- Phosphat (PO4):≤ 0.001 %
- Silicate (SiO₂):≤ 0.01 %
- Sulfate (SO₄):≤ 0.010 %
- Total nitrogen (N):≤ 0.0005 %
- Heavy metals (as Ag):≤ 0.002 %
- Heavy metals (as Pb):≤ 0.0005 %
- Al (Aluminium):≤ 0.001 %
- As (Arsenic):≤ 0.0003 %
- Ca (Calcium):≤ 0.005 %
- Cu (Copper):≤ 0.0005 %
- Fe (Iron):≤ 0.0010 %
- Hg (Mercury):≤ 0.00001 %
- K (Potassium):≤ 0.05 %
- Mg (Magnesium):≤ 0.002 %
- Ni (Nickel):≤ 0.001 %
- Pb (Lead):≤ 0.00005 %
- Zn (Zinc):≤ 0.0025 %
- Residual solvents (Ph Eur/USP/ICH):excluded by manufacturing process
- Endotoxins:≤ 2.5 I.U./g
Specification Test Results
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