What documents are required to import HS 28151200 into Vietnam?

Typically required: commercial invoice, packing list, bill of lading / airway bill, certificate of origin (for preferential rates). This HS has 3 additional permit / restriction requirement(s) — see detail page.Confirm latest requirements with Vietnam Customs ECUS 2026.

What FTA preferential rates apply to HS 28151200 in Vietnam?

Vietnam offers 22 FTA preferential rates for this HS (e.g. RCEP / ACFTA / China-ASEAN). Rates vary by origin country — see detail page "FTA Preferences" section.

How to calculate landed cost for importing HS 28151200 into Vietnam?

Use CIF (goods + freight + insurance) × 30 = import duty. Then add VAT 8/10 = landed cost. Treayo provides an online calculator at https://treayo.com/en/calculator/vietnam.

WCO classification path

Chapter28Inorganic chemicals
Heading2815Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium
Subheading281512In aqueous solution (soda lye or liquid soda)
National28151200- - In aqueous solution (soda lye or liquid soda)

28151200

ACTIVE

What is the Vietnam import tariff for HS 28151200 (- - In aqueous solution (soda lye or liquid soda))?

Quick answer: Vietnam MFN rate for HS 28151200 is 30, plus VAT 8/10. 3 import permit / restriction(s) apply. 22 FTA preferential rate(s) available.

"- - In aqueous solution (soda lye or liquid soda)"

HS code 28151200 (Chapter 28 "Inorganic chemicals"; Heading 2815 "Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium"; Subheading 281512 "In aqueous solution (soda lye or liquid soda)") under the Vietnam tariff schedule classifies "- - In aqueous solution (soda lye or liquid soda)". Vietnam customs apply MFN rate of 30, Preferential rate 20. Statutory unit of measure: kg. This commodity is subject to 3 import regulations or restrictions; see compliance section below. 22 free trade agreement preferential rates are available for this code.

Tariff Schedule

Classification	Rate	Legal
MFN 税率 MFN rate	30	Official tariff schedule
优惠税率 Preferential rate	20	Official tariff schedule
增值税 VAT	8/10	Official tariff schedule

Calculate landed cost for HS 28151200

Duty + VAT + surcharges, line by line — just enter your value

→ Calculate now (from FOB $1,000)

FTA Preferential Rates

22 agreements available · certificate of origin required

Agreement	Rate	Effective	Regulation
ATIGA	0%	30/12/2022	126/2022/NĐ-CP
AJCEP	0%	30/12/2022	120/2022/NĐ-CP
VJEPA	0%	30/12/2022	124/2022/NĐ-CP
AANZFTA	0%	30/12/2022	121/2022/NĐ-CP
VCFTA	0%	30/12/2022	112/2022/NĐ-CP
VN-EAEU	0%	30/12/2022	113/2022/NĐ-CP
CPTPP	0%	30/12/2022	115/2022/NĐ-CP
EVFTA	0%	30/12/2022	116/2022/NĐ-CP
UKVFTA	0%	30/12/2022	117/2022/NĐ-CP
VN-LAO	0%	15/07/2025	206/2025/NĐ-CP
ACFTA	5%	30/12/2022	118/2022/NĐ-CP
AKFTA	5%	30/12/2022	119/2022/NĐ-CP
AIFTA	*	30/12/2022	122/2022/NĐ-CP
VKFTA	5%	30/12/2022	125/2022/NĐ-CP
AHKFTA	20%	30/12/2022	123/2022/NĐ-CP
VIFTA	11.4%	15/10/2024	131/2024/NĐ-CP
RCEP-A	20%	30/12/2022	129/2022/NĐ-CP
RCEP-B	20%	30/12/2022	129/2022/NĐ-CP
RCEP-C	20%	30/12/2022	129/2022/NĐ-CP
RCEP-D	20%	30/12/2022	129/2022/NĐ-CP
RCEP-E	20%	30/12/2022	129/2022/NĐ-CP
RCEP-F	20%	30/12/2022	129/2022/NĐ-CP