Thailand HS Code

HS Code 310540: Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) in Thailand

Q: Is HS code 310540 the same across all countries?

Yes — up to the 6-digit level, HS code 310540 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. Thailand extends it under AHTN-TH.

Q: What system does Thailand use to classify HS code 310540?

Thailand classifies products under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH; locally พิกัดอัตราศุลกากร (AHTN 2022)), which extends HS codes to 11 digits. The first 6 digits align with the WCO Harmonized System, and the rest cover national tariff and statistical needs.

Q: Where can I officially look up HS code 310540 in Thailand?

The official source is https://www.customs.go.th/. For faster cross-country lookups, TradeInt's HS Code Tool consolidates classifications across all major countries in one place.

What is HS Code 310540 in Thailand

Under Thailand's ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)), HS Code 310540 is the WCO Harmonized System subheading for Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate). This is the most detailed internationally standardized level; Thailand extends classifications to 11 digits under its national tariff system. 310540 belongs to Section VI: Products of the chemical or allied industries, Chapter 31: Fertilizers, Heading 3105: Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg.

Explore more 2026 Latest Thailand import export trade data and shipment records for HS Code Monoammonium Phosphate (MAP) on TradeInt global trade data platform

Classification Path of HS Code 310540 in Thailand

Section VI

Chapters (28-38) Products of the chemical or allied industries

Chapter 31

Fertilizers

HS Code 3105

Mineral or chemical fertilisers containing two or three of the fertilising elements nitrogen, phosphorus and potassium; other fertilisers; goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

HS Code 310540

Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 31054000000

Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) แอมโมเนียมไดไฮโดรเจนออร์โทฟอสเฟต (โมโนแอมโมเนียมฟอสเฟต) และของผสมของของดังกล่าวกับไดแอมโมเนียมไฮโดรเจนออร์โทฟอสเฟต (ไดแอมโมเนียมฟอสเฟต)

Thailand Tariff Classification: ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

In Thailand, HS 310540 is classified under the ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (พิกัดอัตราศุลกากร (AHTN 2022)) — a 11-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule ASEAN Harmonized Tariff Nomenclature 2022 — Thai Customs Tariff (AHTN-TH)

Local name พิกัดอัตราศุลกากร (AHTN 2022)

Digits 11

Official source https://www.customs.go.th/

You know what 310540 means. Now see 2026 latest real trade activity for Monoammonium Phosphate (MAP) in Thailand.

Buyers, suppliers, origin and destination countries, shipment dates, and quantities direct from customs records.

Search 2026 Latest Thailand Import Data Search 2026 Latest Thailand Export Data

Top Trading Product of HS Code 3105

Top Thailand import Product Under HS Code 3105

1 310559: Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Other $709.0M 2 310520: Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium $464.8M 3 310510: Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg $22.2M

Figures shown for 2025.

For more 2026 recent data, search for Thailand import trade records

Top Thailand export Product Under HS Code 3105

1 310520: Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium $61.7M 2 310590: Other $24.4M 3 310540: Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) $12.4M

Figures shown for 2025.

For more 2026 recent data, search for Thailand export trade records

Related HS Code to Thailand Monoammonium Phosphate (MAP) (310540)

HS Code 31054000000

Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 310510

Goods of this chapter in tablets or similar forms or in packages of a gross weight not exceeding 10 kg

HS Code 310520

Mineral or chemical fertilisers containing the three fertilising elements nitrogen, phosphorus and potassium

HS Code 310530

Diammonium hydrogenorthophosphate (diammonium phosphate)

HS Code 310551

Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Containing nitrates and phosphates

HS Code 310559

Other mineral or chemical fertilisers containing the two fertilising elements nitrogen and phosphorus : Other

HS Code 310560

Mineral or chemical fertilisers containing the two fertilising elements phosphorus and potassium

HS Code 310590

Other

HS Code 310100

Animal or vegetable fertilisers, whether or not mixed together or chemically treated; fertilisers produced by the mixing or chemical treatment of animal or vegetable products

HS Code 310210

Urea, whether or not in aqueous solution

Frequently Asked Questions

What is HS code 310540 in Thailand?

HS code 310540 covers Ammonium dihydrogenorthophosphate (monoammonium phosphate) and mixtures thereof with diammonium hydrogenorthophosphate (diammonium phosphate) in Thailand. It sits in Chapter 31 (Fertilizers), Heading 3105 of the Harmonized System, and is classified under AHTN-TH.

Is HS code 310540 the same across all countries?

What system does Thailand use to classify HS code 310540?

Where can I officially look up HS code 310540 in Thailand?