About HS Code 293120
This HS code covers tributyltin (TBT) compounds, a group of organo-inorganic chemicals historically used as potent biocides, particularly in antifouling paints for ships and as wood preservatives. However, TBT compounds are highly toxic to marine life, causing severe environmental damage, and have been largely banned or severely restricted globally by international conventions like the IMO's AFS Convention. International trade in these substances is now extremely limited, primarily for very specific industrial applications where no suitable alternatives exist, or for research purposes, and is subject to strict regulatory oversight. Importers are typically specialized chemical industries or research institutions in countries that still permit their use under specific, tightly controlled exemptions. Exporters are usually a small number of specialized chemical manufacturers capable of producing these compounds under strict environmental and safety protocols. Key things to know include their severe environmental impact, the global phase-out for most applications, and the stringent controls on any remaining trade. Any trade activity must comply with international environmental treaties and national chemical regulations, making this a highly sensitive category.
Products Under This Code
Tributyltin oxide (TBTO), Tributyltin chloride (TBTC), Tributyltin methacrylate, TBT compounds, Organotin biocides, Antifouling paint additive
Real World Examples
Sigma-Aldrich TBTO, Merck TBTC, Arkema TBT compounds (historical), Dow Chemical TBT (historical)
Common Misclassification
TBT compounds might be confused with other organotin compounds in 2931.90 or other biocides in Chapter 38, but their specific chemical structure and high toxicity warrant this distinct classification.
Products Classified Under 2931.20
Industry
This code belongs to the Chemicals industry.
Trade Overview
Trade is minimal due to global bans, but historically, Japan, South Korea, and European countries were significant producers and users in the shipbuilding industry.
Frequently Asked Questions
What is HS code 293120?
HS code 293120 covers: Organo-inorganic compounds; tributyltin compounds. This HS code covers tributyltin (TBT) compounds, a group of organo-inorganic chemicals historically used as potent biocides, particularly in antifouling paints for ships and as wood preservatives. However, TBT compounds are highly toxic to marine life, causing severe environmental damage, and have been largely banned or severely restricted globally by international conventions like the IMO's AFS Convention. International trade in these substances is now extremely limited, primarily for very specific industrial applications where no suitable alternatives exist, or for research purposes, and is subject to strict regulatory oversight. Importers are typically specialized chemical industries or research institutions in countries that still permit their use under specific, tightly controlled exemptions. Exporters are usually a small number of specialized chemical manufacturers capable of producing these compounds under strict environmental and safety protocols. Key things to know include their severe environmental impact, the global phase-out for most applications, and the stringent controls on any remaining trade. Any trade activity must comply with international environmental treaties and national chemical regulations, making this a highly sensitive category.
What products fall under HS code 293120?
Tributyltin oxide (TBTO), Tributyltin chloride (TBTC), Tributyltin methacrylate, TBT compounds, Organotin biocides, Antifouling paint additive
What are common misclassifications for HS code 293120?
TBT compounds might be confused with other organotin compounds in 2931.90 or other biocides in Chapter 38, but their specific chemical structure and high toxicity warrant this distinct classification.
How is HS code 293120 structured?
HS code 293120 is a 6-digit subheading under the Harmonized System. The first 2 digits (29) identify the chapter, digits 3-4 (31) identify the heading, and digits 5-6 (20) specify the subheading. This code is standardized globally by the World Customs Organization.