India HS Code

HS Code 281511: Sodium hydroxide (caustic soda) : Solid in India

Q: Is HS code 281511 the same across all countries?

Yes — up to the 6-digit level, HS code 281511 is the same in every WCO member country. Beyond 6 digits, each country extends the code for national tariff and statistical use. India extends it under PCT / ITC-HS.

Q: What system does India use to classify HS code 281511?

India classifies products under the Customs Tariff Act / ITC-HS (PCT / ITC-HS; locally भारतीय सीमा शुल्क टैरिफ), which extends HS codes to 10 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 281511 in India?

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

What is HS Code 281511 in India

Under India's Customs Tariff Act / ITC-HS (भारतीय सीमा शुल्क टैरिफ), HS Code 281511 is the WCO Harmonized System subheading for Sodium hydroxide (caustic soda) : Solid. This is the most detailed internationally standardized level; India extends classifications to 10 digits under its national tariff system. 281511 belongs to Section VI: Products of the chemical or allied industries, Chapter 28: Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes, Heading 2815: Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium.

Explore more 2026 Latest India import export trade data and shipment records for HS Code Solid Caustic Soda on TradeInt global trade data platform

Classification Path of HS Code 281511 in India

Section VI

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

Chapter 28

Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes

HS Code 2815

Sodium hydroxide (caustic soda); potassium hydroxide (caustic potash); peroxides of sodium or potassium

HS Code 281511

Sodium hydroxide (caustic soda) : Solid

HS Code 28151110

FLAKES OF SODIUM HYDROXIDE(NAOH),SOLID

HS Code 28151190

NAOH, SOLID, OTHER THAN FLAKES

India Tariff Classification: Customs Tariff Act / ITC-HS (PCT / ITC-HS)

In India, HS 281511 is classified under the Customs Tariff Act / ITC-HS (भारतीय सीमा शुल्क टैरिफ) — a 10-digit national extension of the WCO 6-digit Harmonized System.

Tariff schedule Customs Tariff Act / ITC-HS (PCT / ITC-HS)

Local name भारतीय सीमा शुल्क टैरिफ

Digits 10

Official source https://www.cbic.gov.in/

You know what 281511 means. Now see 2026 latest real trade activity for Solid Caustic Soda in India.

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

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Top Trading Product of HS Code 2815

Top India import Product Under HS Code 2815

1 281512: Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda) $44.1M 2 281520: Potassium hydroxide (caustic potash) $24.2M 3 281511: Sodium hydroxide (caustic soda) : Solid $4.8M

Figures shown for 2025.

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

Top India export Product Under HS Code 2815

1 281511: Sodium hydroxide (caustic soda) : Solid $236.0M 2 281512: Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda) $97.0M 3 281520: Potassium hydroxide (caustic potash) $4.1M

Figures shown for 2025.

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

Related HS Code to India Solid Caustic Soda (281511)

HS Code 28151110

FLAKES OF SODIUM HYDROXIDE(NAOH),SOLID

HS Code 28151190

NAOH, SOLID, OTHER THAN FLAKES

HS Code 281512

Sodium hydroxide (caustic soda) : In aqueous solution (soda lye or liquid soda)

HS Code 281520

Potassium hydroxide (caustic potash)

HS Code 281530

Peroxides of sodium or potassium

Sulphur, sublimed or precipitated; colloidal sulphur

HS Code 280300

Carbon (carbon blacks and other forms of carbon not elsewhere specified or included)

Frequently Asked Questions

What is HS code 281511 in India?

HS code 281511 covers Sodium hydroxide (caustic soda) : Solid in India. It sits in Chapter 28 (Inorganic chemicals : organic or inorganic compounds of precious metals, of rare-earth metals, of radioactive elements or of isotopes), Heading 2815 of the Harmonized System, and is classified under PCT / ITC-HS.

Is HS code 281511 the same across all countries?

What system does India use to classify HS code 281511?

Where can I officially look up HS code 281511 in India?