Hubei Hongjia Chemical Industry Co., Ltd.
We are professional supplier of HYPOPHOSPHOROUS ACID,CALCIUM HYPOPHOSPHITE,MAGNESIUM HYPOPHOSPHITE,ALUMINIUM HYPOPHOSPHITE,PHENAZINE,ALUMINIUM DIETHYLPHOSPHINATE.
Business Type:Manufacturer
Country/Region:China
Ddu Verified
HOT Rank
ALUMINIUM HYPOPHOSPHITE (Super-Tiny Powder) |
I、PROPERTIES
a. Appearance: White crystal/powder.
b. Solubility: Insoluble in water, insoluble in alcohol, Its water solution appears weak acid.
C. Molecular formula: Al(H2PO2)3
d.Structural formula:
e. Molecular weight: 221.95 
f. CAS NO.: 7784-22-7
II、Quality standard
Item | Specification |
Al(H2PO2)3Content | 97-99% Min. |
Particlesize(D90 μm) | 5 Max. |
The initial thermal decomposition temperature | ≥280℃ |
Phosphide(%) | 41.9±0.5 % |
Aluminum salt(%) | 12.2±0.5% |
Moisture(%) | ≤0.5% |
PH (20 °C, 100 g/l) | 3-5 |
Ⅲ. Usage
The product is suitable in Flame retardant modification of PBT、PET 、TPU、ABS。Using an appropriate amount of stabilizer agent、coupling agent mixed with P-N flame retardant as APP、MC or MCA in usage.8%-12% can be satisfactory for polyester or polyester type TPU, 25%-35% can be satisfactory for SEBS.
Ⅳ.Package
In 25kg kraft paper bag, inner lined with PVC bag, or as customer required.
