Aluminium hypophosphite uses as below
Applications/uses.
Aluminum Phosphate: Used in some over-the-counter antacids to neutralize stomach acid and as an adjuvant in certain vaccines to boost the immune response.
Sodium Aluminum Phosphate (SALP): A common food additive (E541) used as a leavening agent in baked goods (e.g., cakes, biscuits, pancakes) and as an emulsifier in processed cheese. It is generally recognized as safe (GRAS) by the FDA for these uses.
Engineering plastics: AHP is widely used in plastics such as polyethylene terephthalate (PET), polybutylene terephthalate (PBT), and nylon-6 to make them more flame resistant.
Reduced fire risk: It helps achieve flame retardant grades like UL-94 V-0 in certain composites.
Mechanism: During combustion, it promotes the formation of a strong char layer and can reduce the amount of flammable gases produced.
Synergistic effects: It is often compounded with other flame retardants, such as melamine cyanurate or melamine hydrobromide, to achieve better results in materials like low-smoke halogen-free cables or polypropylene.
Agrochemicals and pesticides: AHP can be used as a stabilizer and activator to control metal ion activity and improve product yield. It can also act as a solubilizer.
Food additives: It has been explored as a pH regulator and chelating agent to prevent oxidation and prolong shelf life. However, other aluminum phosphates, like sodium aluminum phosphate, are more common in food applications like baking powder and cheese.
Water treatment: It has potential applications in water treatment.
Inhibition of dust explosions: Research has shown AHP can mitigate dust explosions, such as those involving aluminum hydride(AIH3) dust, by forming a protective film and inhibiting chain reactions.
Specifications
|
Grade |
IHS |
|
Description |
White crystalline powder |
|
Identification |
It gives reactions of aluminium and hypophosphite test |
|
Solubility |
Insoluble in water and insoluble in alcohol |
|
pH |
3.0 to 5.0 |
|
Calcium |
NMT 1.0 % |
|
Phosphites |
NMT 0.05 % |
|
Loss on drying |
NMT 2 % |
|
Assay |
97.0 % to 101.0 % |
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