2809Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined:

五酸化二りん、りん酸及びポリりん酸（ポリりん酸については、化学的に単一であるかないかを問わない。）

HS code 2809 is a Heading (4-digit) classification number. In Japan's trade statistics (published by Ministry of Finance), it represents import/export items classified as “Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined:”. This code has 2 subcategories defined below it.

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Latest trade statistics

In May 2026, Japan's imports under HS code 2809 (Diphosphorus pentaoxide; phosphoric acid; polyphosphoric acids, whether or not chemically defined:) totaled ¥185M (YoY -53.4%), with a volume of 920,254 KG at about ¥201/KG. The top import sources are People's Republic of China (87.2%), Viet Nam (11.4%), United States of America (1.0%). Exports totaled ¥479M (YoY +52.3%), with a volume of 1,328,952 KG at about ¥361/KG. The top export destinations are People's Republic of China (33.6%), Republic of Korea (26.6%), Taiwan (17.1%).

Export (May 2026)

¥479M

YoY: +52.3%

Qty: 1,328,952 KG

Unit price: ¥361/KG

Import (May 2026)

¥185M

YoY: -53.4%

Qty: 920,254 KG

Unit price: ¥201/KG

Top export destinations (2025)

#	Country	Value	Share	Qty	Unit price
1	People's Republic of China	¥1B	33.6%	3,802,898 KG	¥389/KG
2	Republic of Korea	¥1B	26.6%	3,956,256 KG	¥296/KG
3	Taiwan	¥754M	17.1%	2,419,094 KG	¥312/KG
4	Singapore	¥592M	13.5%	1,243,790 KG	¥476/KG
5	United States of America	¥234M	5.3%	753,370 KG	¥310/KG

Top import sources (2025)

#	Country	Value	Share	Qty	Unit price
1	People's Republic of China	¥5B	87.2%	31,206,755 KG	¥152/KG
2	Viet Nam	¥617M	11.4%	3,697,600 KG	¥167/KG
3	United States of America	¥53M	1.0%	59,003 KG	¥902/KG
4	Republic of Korea	¥16M	0.3%	20,092 KG	¥806/KG
5	Switzerland	¥3M	0.1%	887 KG	¥3,407/KG

Subcategories2items

Subheading (6-digit)

280910Diphosphorus pentaoxide

Subheading (6-digit)

280920Phosphoric acid and polyphosphoric acids

Related codes

Other codes in the same classification group

2801Fluorine, chlorine, bromine and iodine:2804Hydrogen, rare gases and other non-metals:2805Alkali or alkaline-earth metals; rare-earth metals, scandium and yttrium, whether or not intermixed or interalloyed; mercury:2806Hydrogen chloride (hydrochloric acid); chlorosulphuric acid:2811Other inorganic acids and other inorganic oxygen compounds of non-metals:2812Halides and halide oxides of non-metals:2813Sulphides of non-metals; commercial phosphorus trisulphide:2814Ammonia, anhydrous or in aqueous solution:2815Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium:2816Hydroxide and peroxide of magnesium; oxides, hydroxides and peroxides, of strontium or barium:2818Artificial corundum, whether or not chemically defined; aluminium oxide; aluminium hydroxide:2819Chromium oxides and hydroxides:2820Manganese oxides:2821Iron oxides and hydroxides; earth colours containing 70 % or more by weight of combined iron evaluated as Fe2O3:2824Lead oxides; red lead and orange lead:2825Hydrazine and hydroxylamine and their inorganic salts; other inorganic bases; other metal oxides, hydroxides and peroxides:2826Fluorides; fluorosilicates, fluoroaluminates and other complex fluorine salts:2827Chlorides, chloride oxides and chloride hydroxides; bromides and bromide oxides; iodides and iodide oxides:2828Hypochlorites; commercial calcium hypochlorite; chlorites; hypobromites:2829Chlorates and perchlorates; bromates and perbromates; iodates and periodates:2830Sulphides; polysulphides, whether or not chemically defined:2831Dithionites and sulphoxylates:2832Sulphites; thiosulphates:2833Sulphates; alums; peroxosulphates (persulphates):2834Nitrites; nitrates:2835Phosphinates (hypophosphites), phosphonates (phosphites) and phosphates; polyphosphates, whether or not chemically defined:2836Carbonates; peroxocarbonates (percarbonates); commercial ammonium carbonate containing ammonium carbamate:2837Cyanides, cyanide oxides and complex cyanides:2839Silicates; commercial alkali metal silicates:2840Borates; peroxoborates (perborates):2841Salts of oxometallic or peroxometallic acids:2842Other salts of inorganic acids or peroxoacids (including aluminosilicates whether or not chemically defined), other than azides:2843Colloidal precious metals; inorganic or organic compounds of precious metals, whether or not chemically defined; amalgams of precious metals:2844Radioactive chemical elements and radioactive isotopes (including the fissile or fertile chemical elements and isotopes) and their compounds; mixtures and residues containing these products:2845Isotopes other than those of heading 28.44; compounds, inorganic or organic, of such isotopes, whether or not chemically defined:2846Compounds, inorganic or organic, of rare-earth metals, of yttrium or of scandium or of mixtures of these metals:+3

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