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Sodium dichromate dihydrate, 98%, Thermo Scientific Chemicals
Description
Sodium dichromate is used as a strong oxidizing agent in organic synthesis. It is used in metal finishing as an aid of corrosion resistance, manufacture of inorganic chromate pigments and in the preparation of colored glass and ceramic glazes. It is used as a mordant for acidic dyes to improve their color-fast properties and as a corrosion inhibitor in undercoats and primers.
This Thermo Scientific Chemicals brand product was originally part of the Alfa Aesar product portfolio. Some documentation and label information may refer to the legacy brand. The original Alfa Aesar product / item code or SKU reference has not changed as a part of the brand transition to Thermo Scientific Chemicals.
Sodium dichromate is used as a strong oxidizing agent in organic synthesis. It is used in metal finishing as an aid of corrosion resistance, manufacture of inorganic chromate pigments and in the preparation of colored glass and ceramic glazes. It is used as a mordant for acidic dyes to improve their color-fast properties and as a corrosion inhibitor in undercoats and primers.
Solubility
Soluble in water. Insoluble in alcohol.
Notes
Keep away from sources of ignition, combustible materials. Do not ingest. Do not breathe dust.

Specifications
Specifications
Melting Point | 100°C (in - 2H2O) |
Quantity | 100 g |
Linear Formula | Na2Cr2O7·2H2O |
UN Number | UN3087 |
Merck Index | 14,8609 |
Solubility Information | Soluble in water. Insoluble in alcohol. |
Formula Weight | 298.00 (261.97 Anhydrous) |
Percent Purity | 99% |
Odor | Odorless |
Sensitivity | Hygroscopic |
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Certificates
Certificates
A lot number is required to show results for certificates. To find your lot number on previous orders use our order status area.
Lot Number | Certificate Type | Date | Catalog Number |
---|---|---|---|
Y05K016 | Certificate of Analysis | 31/01/2025 | L14890.36,L14890.22 |
10185695 | Certificate of Analysis | 06/05/2024 | L14890.36,L14890.22 |
Z19J047 | Certificate of Analysis | 09/01/2024 | L14890.36,L14890.22 |
W25J001 | Certificate of Analysis | 11/10/2023 | L14890.36,L14890.22 |
10234241 | Certificate of Analysis | 08/12/2021 | L14890.36,L14890.22 |
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