Sodium Tripolyphosphate (STPP) Food Grade
Synonym: Pentasodium Triphosphate, Sodium Tripolyphosphate Anhydrous: Sodium Triphosphate Anhydrous
Formula: Na5 P3 O10
CAS No.: 7758 – 29 – 4
Molecular Weight: 367.86
Appearance: 1. White powder 2. White granular
Supply Ability: 1800 Metric Tons per Month
Packaging & Delivery
Packaging Details: In 25kg composite plastic woven/paper bag with PE liner.
Loading Port Lianyungang, Qingdao, Shanghai
Lead Time : within 15 days after receiving order
1,Chemical Name: Sodium Tripolyphosphate STPP
4,Physical properties:White crystal powder,melting point is 622°C,easily soluble in water, with remarkable chelating ability to some metal ions such as Ca2+,Mg2+,can soften hard water,change suspension into solution,alkalescent,without causticity.
5,Quality standard: (GB25566-2010, FCC-V)
Name of index
Sodium Tripolyphosphate ≥%
Fluoride (as F) ≤%
Arsenic (As) ≤%
Heavy Metal (as Pb) ≤%
Chloride (as Cl) ≤%
Sulfate (as SO42-) ≤%
Water Insoluble ≤%
pH (1% aqueous solution)
6,Usage: In food industry, it is used as water conservative, applied to can, fruit drinks, milk products, vegetable protein drinks, instant noodles, meat products, and so on.
7,Packing: In 25kg composite plastic woven/paper bag with PE liner.
8,Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat, and stored separately from poisonous substances.