ℹ Many substances in this chapter (inorganic chemicals) may be classified as dangerous goods under ADR. Common hazard classes include Class 5.1 (oxidising), Class 6.1 (toxic), and Class 8 (corrosive). Always check individual substance classification before transport. Check ADR classification →
Classification is the shipper’s legal responsibility. This reference is based on common HS-ADR correlations from public regulatory data. Always verify against the current ADR, IMDG Code, or IATA DGR and consult a qualified DGSA where required.
This is the international 6-digit HS code. Your country may use additional digits for national tariff purposes. For UK tariff and duty rates, check the UK Trade Tariff. For US rates, check the USITC HTS.
Related Codes Under 28.35
28.35.10
Phosphinates (hypophosphites) and phosphonates (phosphites), whether or not chemically defined
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28.35.22
Phosphates; of mono- or disodium, whether or not chemically defined
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28.35.24
Phosphates; of potassium, whether or not chemically defined
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28.35.26
Phosphates; of calcium n.e.c. in item no. 2835.25, whether or not chemically defined
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28.35.29
Phosphates; (other than of mono- or disodium, other than of potassium or of calcium hydrogenorthophosphate (dicalcium phosphate) and excluding other phosphates of calcium), whether or not chemically defined
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28.35.31
Polyphosphates; sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
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28.35.39
Polyphosphates; other than sodium triphosphate (sodium tripolyphosphate), whether or not chemically defined
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