| 28 | | | HS Code for Inorganic chemicals; inorganic or organic compounds of precious metals, radioactive elements, rare land metals or isotope metals |
| 2809 | | HS Code for Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids whether or not chemically defined |
| | 28092011 | Food grade phosphoric acid |
| 2835 | | HS Code for Phosphinates (hypophosphites) phosphonates (phosphites) and phosphates; polyphosphates whether or not chemically |
| | 28352520 | Positive food grade calcium hydrogen phosphate (dicalcium phosphate) |
| | 28353110 | Food grade sodium tripolyphosphate (stpp) |
| | 28353911 | Food grade sodium hexametaphosphate |
| 29 | | | HS Code for Organic chemicals |
| 2915 | | HS Code for Saturated acyclic monocarboxylic acids and their anhydrides halides peroxides and peroxyacids; their halogenated sulphonated nitrated or nitrosated derivatives |
| | 29152111 | Food grade glacial acetic acid (glacial acetic acid) |
Harmonized Tariff Schedule of China inquiry: textile
