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Polyphosphoric acids, ammonium salts

Polyphosphoric acids, ammonium salts structure

Polyphosphoric acids, ammonium salts 

structure
  • CAS No:

    68333-79-9

  • Chemical Name:

    Polyphosphoric acids, ammonium salts

  • Synonyms:

    Polyphosphoric acids,ammonium salts;Ammonium polyphosphates;Poly-N 11-37-0;Poly-N 10-34-0;Exolit 454;Exolit 462;Exolit 455;Phos-Chek P 30;Phos-Chek P 60;Exolit 263;Albaplas AP 95;DFP-I;Exolit 422;Ammonium polyphosphate;Amgard TR;Exolit 470;Sumisafe;Taien A;Amgard MC;Amgard CL;Flameguard PT 8;Phos-Chek P 40;Hostaflam AP 422;Hostaflam AP 420;Hostaflam AP 462;Fire-Trol LCG-R;AP 422;AP 462;Exolit 442;Hostaflam 423;Budit 365;Hostaflam AP 464;Terraju S;Novawhite;Terraju C 70;APP 422;Terraju 60;EXO 462;Exolith 462;FR-Cros 484;Exolit AP 462;FR-Cros 480;Exolit AP 422;Exolit AP 423;Hostaflam TP-AP 751;Hostaflam TP-AP 752;Antiblaze MC;Antiblaze MCM;Budit 3076DC;Taien H;APP (fireproofing agent);APP;Budit 3076;Budit 3077;Magma Firestop BP 422;Nicca Fi-None HF 1;Exolit AP 751;FR Cross 484;Pekoflam TC 203PDR;Fran GP 7;Exolit AP 420;FR-Cros S 10;Budit 3118;Budit 3118F;Budit 3127;Novawhite DA 6;Terraju S 20;Fire Cut FCP 730;Pekoflam TC 203;Nicca Fi-None HF 34;Pekoflam TC 204;Pekoflam TC 151;Novawhite PA 2;FR-Cros 484F15;APP 204;FCP 730;FR-Cros 480P;Exolit AP 740;PNP 1;Phos-Chek 80;Pekoflam TC 204P;Flameproof 1945;Taien P;R 056-7;APP 50;Budit 3167;Exolit AP 760;Glotard FFR 2;BL 50452;Neostecker HF 680C;GD 101;FCP 720;P 30;S 20;Exolit AP 742TP;Exolit AP 766;CF-APP 201;GD-APP 101;AP 760;Fire Cut 760;Nord-Min JLS;No-Burn Plus;PNP 1C;Terraju S 10;JLS-APP;JLA-PNP 1;Antiblaze LR 2;FR-Cros 134;FCP 770;69494-34-4;158859-30-4;179095-17-1;307314-12-1;811862-84-7;866775-46-4;1174498-63-5;1204183-58-3;1310326-46-5;2243063-70-7;2306251-62-5

  • Categories:

    Inorganic Chemistry  >  Inorganic Salts

Polyphosphoric acids, ammonium salts Basic Attributes

149.087

149.056549

269-789-9

2835399000

Characteristics

89.2

0.04310

white power

−20°C

Safety Information

P264, P280, P302+P352, P305+P351+P338, P321, P332+P313, P337+P313, P362

H315

Polyphosphoric acids, ammonium salts Use and Manufacturing

Methods of Manufacturing

Fluidized bed method→The bed layer is cooked with resistance wire to 220~250℃. 1050 parts of urea and 100 (parts of 85% phosphoric acid) are melted in a tank with steam jacket and stirring, and then added to the upper part of the bed at a rate of 120 parts per hour. The gas (mainly containing ammonia and carbon dioxide) is passed through The cyclone separator and the bag filter return to the lower part of the corridor, and the recovered powder returns to the bed. The product obtained is basically water-insoluble type II crystalline polyammonium nitrate. The product is discharged from the bed and cooled to room temperature. Shao crushed To the required particle size, the finished ammonium polyphosphate is obtained. n HPO4+(n-1)(NH2)2CO→(NH4)n+2PnO3n+1+(n-4)NH3+(n-1)CO2

Uses

Tissue improver; emulsifier; stabilizer; chelating agent; yeast food; curing aid; water binding agent. Used for cheese, etc.

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