Potassium Graham's Salt (Metaphosphate)
Potassium Graham's salt, a vitreous potassium metaphosphate, used as a water softener in dishwashing detergents. Falls under HTS 2835.39.10.00 as other polyphosphates of potassium. Vitreous form provides long-chain phosphate structure.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If sodium Graham's salt
Sodium version specifically identified in separate subheading.
Not sure which classification is right?
Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.
Import Tips & Compliance
• Historical name 'Graham's salt' requires chemical synonym on invoice
• Test for vitreous vs soluble form affecting end-use declaration
• Monitor EU phosphate discharge regulations impacting market access
Related Products under HTS 2835.39.10.00
Potassium Tripolyphosphate (KTPP)
Potassium tripolyphosphate is a potassium salt of tripolyphosphoric acid used primarily as a sequestrant and builder in detergents and water treatment. It falls under HTS 2835.39.10.00 as a polyphosphate of potassium, chemically defined per Chapter 28 notes. This inorganic compound helps prevent scale buildup in industrial boilers.
Potassium Pyrophosphate
Potassium pyrophosphate (K4P2O7) serves as a buffering agent and dispersant in metal cleaning solutions and food processing. Classified under HTS 2835.39.10.00 as a polyphosphate of potassium meeting Chapter 28 definitions for chemically defined inorganic compounds. It is commonly used in industrial formulations.
Potassium Hexametaphosphate
Potassium hexametaphosphate is a cyclic polyphosphate used as a sequestrant in water softening and corrosion inhibition. It qualifies for HTS 2835.39.10.00 as 'other' polyphosphates of potassium under Chapter 28. This compound is valued for its ability to bind metal ions.
Technical Grade Potassium Polyphosphate
Technical grade potassium polyphosphate is an industrial chemical for use in ceramics production and as a deflocculant. Falls under HTS 2835.39.10.00 for other polyphosphates of potassium, chemically defined inorganic salts. Purity typically 95%+ for manufacturing applications.
Food Grade Potassium Tripolyphosphate Powder
Food grade potassium tripolyphosphate powder acts as a stabilizer and emulsifier in meat processing and dairy products. Classified in HTS 2835.39.10.00 as potassium polyphosphate meeting chemical definition standards. Meets FCC specifications for direct food contact.
Potassium Polyphosphate Solution 45%
45% aqueous solution of potassium polyphosphate used in liquid detergents and agricultural sprays. Remains under HTS 2835.39.10.00 as chemically defined potassium polyphosphate, not excluded by solution form. Concentration specified for industrial applications.