Sodium hydroxide ≥98%, pellets, EMPROVE® ESSENTIAL Ph. Eur., BP, FCC, JP, NF, E524, SAFC®
Supplier: MERCK PRODUCTION CHEMICALS
Ratings:
(No Reviews)
Total Ratings: 0
Avg. Ratings: 0.0 out of 5
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Danger
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Synonyms:
Caustic soda
1.06482.5000EA
468
GBP
1.06482.5000
1.06482.1000
1.06482.6025
Sodium hydroxide ≥98%, pellets, EMPROVE® ESSENTIAL Ph. Eur., BP, FCC, JP, NF, E524, SAFC®
Sodium hydroxide
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities).
Class 1-3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated (*).
Certifications: Conforms to Ph Eur, BP, FCC, JP, NF, E524
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
Formula:
NaOH MW: 40 g/mol Boiling Pt: 1390 °C (1013 hPa) Melting Pt: 323 °C Density: 2.13 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00003548 CAS Number: 1310-73-2 EINECS: 215-185-5 UN: 1823 ADR: 8,II REACH: 01-2119457892-27 Merck Index: 14,08627 |
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 % |
Phosphate (PO₄) | ≤ 0.002 % |
Silicate (SiO₂) | ≤ 0.01 % |
Sulfate (SO₄) | ≤ 0.010 % |
Total nitrogen (N) | ≤ 0.0005 % |
Heavy metals (as Pb) | ≤ 0.0005 % |
Al (Aluminium) | ≤ 0.001 % |
As (Arsenic) | ≤ 0.0003 % |
Cu (Copper) | ≤ 0.0005 % |
Fe (Iron) | ≤ 0.0010 % |
Hg (Mercury) | ≤ 0.00001 % |
K (Potassium) | ≤ 0.1 |
Pb (Lead) | ≤ 0.00005 % |
Zn (Zinc) | ≤ 0.0025 % |
Residual solvents (Ph Eur/USP/ICH) | excluded by manufacturing process |
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