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Ammonium Polyphosphate APP-II 68333-79-9 REACH

Estimate pricing$ 2
AvailabilityIn stock
CAS No.68333-79-9
Chemical Formula(NH4PO3)n, (n>1000)
AppearanceWhite, free-flowing powder
P %(w/w)31.0-32.0

Products Description

Technical Data Sheet Ammonium Polyphosphate CAS No. 68333-79-9 Chemical Formula (NH4PO3) n, (n>1000) Appearance White, free-flowing powder Specifications P %(w/w) 31.0-32.0 N %(w/w) 14.0-15.0 pH value(10% suspension ) 5.5-7.5 Moisture %(w/w) â?¤0.25 Thermal decomposed temp. Â°C 275 Density at 25°C g/cm3 About 1.9 Bulk density at 25Â°C g/cm3 About 0.7 Viscosity (25Â°C,10% suspension ) mpa.s â?¤100 Solubility g/100cm3 water 0.5 Average particle size m About 15 Applications On account of low water-solubility, SHIAN-APP-II is specially suitable to be used as acid source for intumescent coatings. Intumescent coatings on the steel structure can meet the requirements the DIN4102 fireproofing grade. For polyurethane foams, SHIAN-APP-II is a suitable halogen-free flame retardant. SHIAN-APP-II has an excellent flame retardant effect in the fibre base material such as paper and wood products. Adding 15-20% SHIAN-APP-II to Casting resins based on epoxy resins or unsaturated polyester resins can reach UL 94-V0 grade.

Product Categories

Agriculture

Products Specification

CAS No.68333-79-9
Chemical Formula(NH4PO3)n, (n>1000)
AppearanceWhite, free-flowing powder
P %(w/w)31.0-32.0
N %(w/w)14.0-15.0
pH value (10% suspension)5.5-7.5
Moisture %(w/w)≤0.25
Thermal decomposed temp. °C275
Density at 25°C g/cm³About 1.9
Bulk density at 25°C g/cm³About 0.7
Viscosity (25°C, 10% suspension) mPa·s≤100
Solubility g/100cm³ water0.5
Average particle size μmAbout 15

Supplier information

Basic member

Shandong Shian Chemical Co., Ltd

China

Business type - Contact Seller

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This ammonium polyphosphate APP-II product carries CAS number 68333-79-9. It is a white, free-flowing powder with chemical formula (NH4PO3)n where n exceeds 1000, phosphorus content of 31.0-32.0%, and nitrogen content of 14.0-15.0%. The pH in 10% suspension ranges from 5.5 to 7.5 with moisture at 0.25% or less and thermal decomposition temperature of 275°C.

Physical properties include density of about 1.9 g/cm³, bulk density of about 0.7 g/cm³, viscosity of 100 mPa·s or less at 25°C in 10% suspension, solubility of 0.5 g/100 cm³ water, and average particle size of about 15 μm. The seller states the low water solubility makes it suitable as an acid source for intumescent coatings that can meet DIN4102 fireproofing grade, as a halogen-free flame retardant for polyurethane foams, and for flame retardant effect in paper and wood products. The seller also states that addition of 15-20% to epoxy or unsaturated polyester casting resins can reach UL 94-V0 grade.

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About Supplier

Shandong Shian Chemical Co., Ltd is a premier leather products export company, established in 2010 and based in China. With a decade of experience, Shandong Shian Chemical Co., Ltd has built a reputation for delivering high-quality leather goods to clients across the globe. The company specializes in a wide range of leather products, including bags, wallets, belts, and custom leather accessories, all crafted with precision and attention to detail. Leveraging advanced manufacturing techniques and stringent quality control processes, Shandong Shian Chemical Co., Ltd ensures that each product meets the highest standards. The company’s commitment to excellence, timely delivery, and customer satisfaction has made it a trusted name in the international market.Shandong Shian Chemical Co., Ltd continues to expand its global footprint, exporting its superior leather products to various countries, while maintaining strong relationships with clients worldwide.

Supplier Details for Ammonium Polyphosphate APP-II 68333-79-9 REACH

Established - 16 Oct, 2026
Business Type - Contact Seller
Deals in Product Type - Agriculture
Country - China

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