Sodium Phosphate Dibasic

Synonym for disodium phosphate used in molecular biology buffers like PBS. HTS 2835.22.00.00 classification based on chemical definition as disodium phosphate. Biotech-grade purity levels.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China1.4%+35.0%36.4%
🇲🇽Mexico1.4%+10.0%11.4%
🇨🇦Canada1.4%+10.0%11.4%
🇩🇪Germany1.4%+10.0%11.4%
🇯🇵Japan1.4%+10.0%11.4%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3822Lower: 10% vs 36.4%

If as biotech research reagents

Purified reagents for diagnostics/research shift to lab reagent heading.

3002.90Lower: 10% vs 36.4%

If pharma bulk actives

GMP-produced for drug formulation classified as organic/inorganic medicaments.

Not sure which classification is right?

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Import Tips & Compliance

Biotech imports require endotoxin <1EU/mg certification

PBS kits containing this classified under 3822, not pure chemical

RNase/DNase-free claims need vendor validation docs

Related Products under HTS 2835.22.00.00

Disodium Phosphate Anhydrous USP

Disodium phosphate (Na2HPO4) is a chemically defined inorganic salt of mono- or disodium used as a buffering agent in pharmaceuticals and food processing. It falls under HTS 2835.22.00.00 as a phosphate of disodium, meeting Chapter 28 criteria for inorganic compounds. Commonly supplied as a white crystalline powder for industrial and USP-grade applications.

Monosodium Phosphate Dihydrate

Monosodium phosphate (NaH2PO4·2H2O) serves as an acidulant and sequestrant in beverages and metal treatment. Classified under HTS 2835.22.00.00 as a phosphate of mono- or disodium, it's a pure inorganic compound per Chapter 28 definitions. Typically imported in 25kg bags for food and industrial uses.

Disodium Phosphate Dodecahydrate

The dodecahydrate form (Na2HPO4·12H2O) is used in lab reagents and as a laxative in pharma products. It qualifies under HTS 2835.22.00.00 as disodium phosphate, an inorganic salt excluded from organic chapters. Efflorescent crystals requiring sealed packaging for import.

Sodium Acid Pyrophosphate

Sodium acid pyrophosphate (SAPP, Na2H2P2O7) acts as a leavening agent in baking powders and meat products. As a polyphosphate of disodium, it fits HTS 2835.22.00.00 per the polyphosphates provision in the heading. Food-grade versions dominate imports.

Tetrasodium Pyrophosphate

Tetrasodium pyrophosphate (TSPP, Na4P2O7) functions as a dispersant in ceramics and detergent builder. Though 'tetra', classified as disodium polyphosphate derivative under HTS 2835.22.00.00. Anhydrous powder for industrial applications.

Monosodium Phosphate Anhydrous

Anhydrous monosodium phosphate (NaH2PO4) used in buffer solutions and flame retardants. Pure form qualifies under HTS 2835.22.00.00 as mono-sodium phosphate. Hygroscopic powder requiring moisture-proof packaging.