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Ammonium sulfite monohydrate, 92% min
Description
Ammonium sulfite monohydrate is used in caramel coloring in the food industry. It is also used in cosmetics as a hair straightening agent and a hair waving agent. It acts as a reducing agent in photography. Further, it is used in the production of bricks in order to use in blast furnace linings. In addition to this, it used in gas scrubbers.
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.

Specifications
Specifications
Melting Point | 60°C to 70°C (decomposition) |
Color | White |
Physical Form | Crystalline |
Quantity | 1 kg |
Assay Percent Range | 92% min. |
Solubility Information | Soluble in water. Insoluble in acetone and alcohol. |
Formula Weight | 134.15 (116.14 Anhydrous) |
Refractive Index | 1.515 |
Sensitivity | Air Sensitive |
Appearance | White crystalline |
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Safety and Handling
Hazard Category | H315-H319-H335 |
Precautionary Statement | P261-P264b-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P332+P313-P362-P501c |
EINECSNumber | 233-484-9 |
TSCA | Yes |
Recommended Storage | Ambient temperatures; Store under Nitrogen |
RUO – Research Use Only
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