Aluminum hypophosphite
- Product Name
- Aluminum hypophosphite
- CAS No.
- 7784-22-7
- Chemical Name
- Aluminum hypophosphite
- Synonyms
- ALHP;cilinsuanlv;Phosphinolate;Phoslite ip-a;Aluminum hypophosphite;Aluminium hypophosphite;Phosphinic acid aluminum salt;Phosphinic acid, aluminum salt (3:1);Phosphinolate, 1-oxo-, aluminum salt (3:1)
- CBNumber
- CB11105152
- Molecular Formula
- AlO6P3
- Formula Weight
- 215.899221
- MOL File
- 7784-22-7.mol
Aluminum hypophosphite Property
- Density
- 1.847[at 20℃]
- solubility
- insoluble in H2O; soluble in alkaline solutions, acid solutions
- pka
- 5[at 20 ℃]
- form
- crystalline powder
- color
- crystals, crystalline powder
- Water Solubility
- insoluble H2O; soluble warm NaOH; decomposes in H2SO4 and HCl [MER06]
- InChI
- InChI=1S/Al.3HO2P/c;3*1-3-2/h;3*(H,1,2)/q+3;;;/p-3
- InChIKey
- MTJUVXNNYAOALD-UHFFFAOYSA-K
- SMILES
- [Al+3].P([O-])=O.P([O-])=O.P([O-])=O
- CAS DataBase Reference
- 7784-22-7
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H228Flammable solid
- Precautionary statements
-
P210Keep away from heat/sparks/open flames/hot surfaces. — No smoking.
P240Ground/bond container and receiving equipment.
P241Use explosion-proof electrical/ventilating/lighting/…/equipment.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P370+P378In case of fire: Use … for extinction.
Aluminum hypophosphite Chemical Properties,Usage,Production
Chemical Properties
Crystalline solid. Decomposes at 218C. Insoluble in water; soluble in hydrochloric acid, weak sulfuric acid, and sodium hydroxide solution.
Uses
In acrylonitrile polymer fiber finishes.
Hazard
Decomposes to toxic phosphine.
Flammability and Explosibility
Flammable
Synthesis
During synthesis, if the pH is not well controlled, it is highly likely that Al(OH)3 will be obtained;
If one simply mixes two solutions of aluminum sulfate and sodium hypophosphite, it seems to be prone to double hydrolysis:
Al(3+) + 3H2PO4(-) + 3H2O = Al(OH)3 + 3H3PO2
Aluminum hypophosphite is only made if aluminum sulfate is kept in excess;
Even if aluminum hypophosphite is made, its high-temperature process produces toxic gases: Al(H2PO2)3 = AlPO4 + 2PH3
As you can see, aluminum hypophosphite does not seem to be an environmentally friendly flame retardant.
Aluminum hypophosphite Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from Aluminum hypophosphite manufacturers
- Product
- Aluminum hypophosphite 7784-22-7
- Price
- US $10.00/KG
- Min. Order
- 1KG
- Purity
- 99%
- Supply Ability
- 10 mt
- Release date
- 2024-11-21
- Product
- Aluminum hypophosphite 7784-22-7
- Price
- US $30.00-10.00/KG
- Min. Order
- 50KG
- Purity
- 99%
- Supply Ability
- 500000kg
- Release date
- 2024-10-24
- Product
- Aluminum hypophosphite 7784-22-7
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20ton
- Release date
- 2024-05-28