Sodium sulphite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, NF, E221, SAFC®
Supplier: MERCK PRODUCTION CHEMICALS
1.06652.1000
1.06652.9029
1.06652.1000EA
119
GBP
1.06652.1000
1.06652.9029
Sodium sulphite 95.0-100.5% (by iodometry), EMPROVE® ESSENTIAL Ph. Eur., BP, NF, E221, SAFC®
Sodium sulphite
Elemental impurity specifications have been set considering ICH Q3D (Guideline for Elemental Impurities). Class 1 to 3 elements are not likely to be present above the ICH Q3D option 1 limit, unless specified and indicated.
Conforms to the purity criteria on food additives according to the current European Commission Regulation.
Formula:
Na₂SO₃ Melting Pt: > 500 °C (dec.) Density: 2,63 g/cm³ (20 °C) Storage Temperature: Ambient |
MDL Number:
MFCD00003503 CAS Number: 7757-83-7 EINECS: 231-821-4 REACH: 01-2119537420-49 Merck Index: 13,08757 |
Specification Test Results
Assay (Iodometric) | 95.0 - 100.5% |
Assay (SO₂) | ≥48.0% |
Identity | Passes Test |
Appearance of Solution | Passes Test |
Thiosulfate (S₂O₃) | ≤0.05% |
Heavy Metals (as Pb) | ≤0.0005% |
As (Arsenic) | ≤0.0002% |
Hg (Mercury) | ≤0.0001% |
Fe (Iron) | ≤0.0005% |
Pb (Lead) | ≤0.0002% |
Se (Selenium) | ≤0.00025% |
Zn (Zinc) | ≤0.0025% |
Residual solvents (Ph. Eur./USP/ICH) | Excluded by the Manufacturing Process |
Conforms to Ph Eur, BP, NF, E221 |
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