What is hypophosphorous acid?

Hypophosphorous acid (HPA), or phosphinic acid, is a phosphorus oxyacid and a powerful reducing agent with molecular formula H3PO2. It is a colorless low-melting compound, which is soluble in water, dioxane and alcohols.

Hypophosphorous acid CAS 6303-21-5 Product Parameter

Synonyms

Diphosphoric(IV) acid;Hypophosphorous acid, 50 wt.% solution in water 1LT;Hypophosphorous acid (HPA);Hypophosphorous acid, 50 wt.% solution in H2O;Hypophosphorous Acid, 30 Percent (w/v) Solution;Hypophosphorous acid aqueous solution;Hypophosphorous Acid 50%/70% (HPA);Hypophosphorous acid solution 50 wt. % in H2O

Hypophosphorous acid CAS 6303-21-5 storage

1. Container: Store hypophosphorous acid in a tightly sealed container that is specifically labeled and dedicated for chemical storage. The container should be made of a compatible material such as glass or high-density polyethylene (HDPE).
2. Temperature: Keep hypophosphorous acid in a cool and dry environment, away from excessive heat sources or direct sunlight. It is advisable to store it at temperatures below 25°C (77°F) to maintain its stability.
3. Moisture: Protect hypophosphorous acid from moisture exposure, as it can lead to degradation. Ensure that the storage area is dry and free from humidity.
4. Ventilation: Store hypophosphorous acid in a well-ventilated area to prevent the buildup of any potentially hazardous fumes or vapors. Adequate ventilation helps maintain a safe storage environment.
5. Separation: Keep hypophosphorous acid away from incompatible substances. Avoid storing it near strong oxidizers, strong acids, or reactive chemicals, as they can cause hazardous reactions.
6. Access and Labeling: Store the acid in a secure location, out of reach of children or unauthorized individuals. Clearly label the container with the name of the chemical, any applicable hazard symbols, and safety information.
7. Handling Precautions: When handling hypophosphorous acid, follow appropriate safety measures, including wearing protective gloves, safety goggles, and a lab coat. Avoid direct contact with skin, eyes, or inhalation of the acid.
8. Spill Containment: Have spill containment materials, such as absorbent pads or spill kits, readily available in case of accidental spills. Follow proper cleanup procedures and dispose of any waste in accordance with local regulations.