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Ammonium Polyphosphate 68333-79-9
Category : Organic chemicals and Derivatives
CAS NO : 68333-79-9 EC NO : 269-789-9 MF : (NH4PO3)n MW : Packing : 25kg/bag Product description : Chemical name:Ammonium Polyphosphate (APP)
Formula:(NH4)n+2PnO3n+1
CAS Number:68333-79-9
General & Use:
Plastics and rubber
Coatings, paper and timber
General Properties:
Appearance: White powder
Density 25oCkg/L: 1.9
bulk density 25 oC kg/L : 0.7
viscosity (25oC，10% suspension )mpa.s: ≤100
Physical and Chemical Properties:
Item Model
I
phosphorus content % （w/w）
31-32
Phosphorous Pentoxide content% （w/w）
>71%
Nitrogen content % （w/w）
14.0-15.0
PH （10% suspension ）
5.5-7.0
decomposed temp. on heat oC ≥
275
Mean polymerization Ñ >
1000
PH value
4.5-6.5
Mean particle diameter µ m ≤
10.0
Thermogravimetric Analysis ( 10oC/min N2)
Weight Loss, % 1 5 10
Temperature, oC 260 315 350
Solubility (g/100g solvent@20oC)
Water( g/100cm3) :< 0.5Synonyms : PNP;polyphosphoric acids ammonium salts;APP;APP-0;XAP-01;APP-3;APP-1;ammonium polyphosphate flame retardant;Water-SolubleAmmoniumPolyphosphate;CrystallinePhaseIiAmmoniumPolyphosphate;Ammonium Polyphosphate (APP);CF-2;Polyphosphoric acids, ammonium salts;
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