HS Code 283531: Polyphosphates : Sodium triphosphate (sodium tripolyphosphate) in China
What is HS Code 283531 in China
Under China's Customs Import and Export Tariff of the People's Republic of China (中华人民共和国海关进出口税则), HS Code 283531 is the WCO Harmonized System subheading for Polyphosphates : Sodium triphosphate (sodium tripolyphosphate). This is the most detailed internationally standardized level; China extends classifications to 13 digits under its national tariff system. 283531 belongs to Section VI: Products of the chemical or allied industries, Chapter 28: Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Heading 2835: Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined.
Explore more 2026 Latest China import export trade data and shipment records for HS Code Sodium Tripolyphosphate (STPP) on TradeInt global trade data platformClassification Path of HS Code 283531 in China
China Tariff Classification: Customs Import and Export Tariff of the People's Republic of China (China HS / CCCHS)
In China, HS 283531 is classified under the Customs Import and Export Tariff of the People's Republic of China (中华人民共和国海关进出口税则) — a 13-digit national extension of the WCO 6-digit Harmonized System.