ChemicalBook > CAS DataBase List > Ammonium polyphosphate
Ammonium polyphosphate
Description Uses- Product Name
- Ammonium polyphosphate
- CAS No.
- 68333-79-9
- Chemical Name
- Ammonium polyphosphate
- Synonyms
- APP;polyphosphoric acids ammonium salts;APP-0;APP-1;APP-3;APP Ⅰ;XAP-01;FR-APP;XPNPEP3;Ammonium polyphosphate
- CBNumber
- CB2855556
- Molecular Formula
- H12N3O4P
- Formula Weight
- 149.086741
- MOL File
- 68333-79-9.mol
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Ammonium polyphosphate Property
- Density
- 1.74[at 20℃]
- vapor pressure
- 0.076Pa at 20℃
- storage temp.
- −20°C
- solubility
- Aqueous Acid (Slightly)
- form
- Solid
- color
- White to Off-White
- InChI
- InChI=1S/3H3N.H3O4P/c;;;1-5(2,3)4/h3*1H3;(H3,1,2,3,4)
- InChIKey
- ZRIUUUJAJJNDSS-UHFFFAOYSA-N
- SMILES
- P(=O)([O-])([O-])[O-].[N+]([H])([H])([H])[H].[N+]([H])([H])([H])[H].[N+]([H])([H])([H])[H]
- LogP
- -2.148 (est)
- CAS DataBase Reference
- 68333-79-9
- EPA Substance Registry System
- Ammonium polyphosphates (68333-79-9)
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Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Warning
- Hazard statements
-
H302Harmful if swallowed
H319Causes serious eye irritation
- Precautionary statements
-
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P270Do not eat, drink or smoke when using this product.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P330Rinse mouth.
P501Dispose of contents/container to..…
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N-Bromosuccinimide Price
Sigma-Aldrich
- Product number
- HPA000527
- Product name
- Anti-XPNPEP3 antibody produced in rabbit
- Purity
- Prestige Antibodies? Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution
- Packaging
- 100μL
- Price
- $580
- Updated
- 2024/03/01
Sigma-Aldrich
- Product number
- HPA000527
- Product name
- Anti-XPNPEP3 antibody produced in rabbit
- Purity
- Prestige Antibodies? Powered by Atlas Antibodies, affinity isolated antibody, buffered aqueous glycerol solution
- Packaging
- 25μL
- Price
- $282
- Updated
- 2023/06/20
Usbiological
- Product number
- 381967
- Product name
- APP
- Packaging
- 96Tests
- Price
- $729
- Updated
- 2021/12/16
TRC
- Product number
- A634983
- Product name
- AmmoniumPolyphosphate,DegreeofPolymerization:>1000
- Packaging
- 250mg
- Price
- $45
- Updated
- 2021/12/16
Biorbyt Ltd
- Product number
- orb595386
- Product name
- APP
- Packaging
- 10μg
- Price
- $290.7
- Updated
- 2021/12/16
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Ammonium polyphosphate Chemical Properties,Usage,Production
Description
Ammonium polyphosphate (APP) is an organic salt of polyphosphoric acid and ammonia. As a chemical, it is non-toxic, environmentally friendly and halogen-free. It is most commonly used as a flame retardant, selection of the specific grade of ammonium polyphosphate can be determined by the solubility, Phosphorus content, chain length and polymerization degree. The chain length (n) of this polymeric compound can be linear or branched. Depending on the polymerization degree, there are two main families of ammonium polyphosphate: Crystal phase I APP (or APP I), and Crystal phase II APP (or APP II).
- APP phase I has a short and linear chain (n < 100), it is more water sensitive (hydrolysis) and less thermally stable; actually it begins to decompose at temperatures above 150 °C.
- The second family of Ammonium polyphosphate is the APP Phase II; which has an high polymerization degree, with n>1000, its structure is cross linked (branched), and it is an high-quality non-halogenated flame retardant. APP phase II, Ammonium polyphosphate, has an higher thermal stability (the decomposition starts at approximately 300°C) and lower water solubility than APP I.
Appearance
White free-flowing powder
Whiteness
92.0 Min
pH (10% slurry -25°C)
5.5-7.5
Acid Value, KOH mg/1g
1.0 Max
Solubility in water (25°C), g/100ml H2O
0.50 Max
Nitrogen, w/w%
14.0-15.0
Phosphorus (P), w/w%
31.0-32.0
Thermal decomposition onset, °C
285 Min
Average Particle Size, D50, µm
About 15
Uses
- Ammonium polyphosphate is a specialty chemical that finds many different uses in key industries.
- Ammonium Polyphosphate, is an environment-friendly and halogen-free flame retardant. It is the main constituent of many intumescent flame retardant systems: coatings, paints and engineering plastics. It is used to prepare 20% Phosphorous/Nitrogen containing flame retardants, it can be used solely or in conjunction with other materials in the flameproof treatment for textiles, papers, fibers and woods. Special treatment can be used to prepare 50% high concentration flameproof formulations required for special applications.
- The most common ammonium polyphosphate fertilizers have a N-P2O5-K2O (nitrogen, phosphorus and potassium) composition of 10-34-0 or 11-37-0. Polyphosphate fertilizers offer the advantage of a high nutrient content in a clear, crystal-free fluid that remains stable within a wide temperature range and stores well for long periods. A variety of other nutrients mix well with polyphosphate fertilizers, making them excellent carriers of micronutrients typically needed by plants.
Description
Ammonium polyphosphates are liquid fertilizers with compositions up to 11-37-0, manufactured by the reaction of anhydrous ammonia with superphosphoric acid. Superphosphoric acid is made by the concentration of regular wet-process acid up to P2O5 concentrations of 78%. Granular polyphosphates suitable for bulk blending are made by reacting ammonia with regular wet process acid of 52% P2O5 content and using the heat of reaction to drive off water to produce a phosphate melt of 10-43-0, with about 40% of the phosphorus in the polyphosphate form.
Agricultural Uses
Ammonium polyphosphate fertilizer is a unique liquid nitrogen-phosphorus fertilizer produced in Russia only by PhosAgro. Maximum phosphorus availability and absorption by plants compared to traditional solid phosphorus-based fertilizers, especially on soils with high calcium carbonate content. It ensures yield increase for different crops during foliar application. It is most effective in dry weather conditions. It is easy to store on farms.
Solubility in water
Ammonium polyphosphate (APP) is a branched or linear polymeric compound with a variable degree of polymerization (n). Generally, Ammonium polyphosphate of a low degree of polymerization (n ≤ 100, crystalline form I) is water soluble or water sensitive, while APP with longer chains (n ≥ 1000, crystalline form II) displays a very low water solubility (<0.1 g/100 mL). In general, long-chain APP starts to degrade at above 300°C, generating ammonia and polyphosphoric acid, while the short-chain one begins decomposing at 150°C.
Ammonium polyphosphate Preparation Products And Raw materials
Raw materials
Phosphoric acid
Ammonium nitrate
Cyclone separator
Urea
Ammonium dihydrogen phosphate
Methanol
Phosphorus pentoxide
Preparation Products
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View Lastest Price from Ammonium polyphosphate manufacturers
HebeiShuoshengImportandExportco.,Ltd
- Product
- Ammonium polyphosphate 68333-79-9
- Price
- US $6.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-08-05
Hebei Zhuanglai Chemical Trading Co.,Ltd
- Product
- Ammonium polyphosphate 68333-79-9
- Price
- US $10.00/kg
- Min. Order
- 1kg
- Purity
- 99%
- Supply Ability
- 20ton
- Release date
- 2024-05-14
Hebei Longbang Technology Co., Ltd
- Product
- Ammonium polyphosphate 68333-79-9
- Price
- US $6.00/kg
- Min. Order
- 1kg
- Purity
- More than 99%
- Supply Ability
- 2000KG/Month
- Release date
- 2024-05-24
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