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Customs Clearance of Nitric Acid and Sulfonitric Acids from Iranian Customs
Nitric acid (HNO₃) and sulfonitric acids are vital chemicals used across various industries, including petrochemicals, pharmaceuticals, fertilizer production, and defense industries. Due to their wide range of applications, these acids play a crucial role in industrial processes. Therefore, the import and customs clearance of these substances in Iran require strict compliance with specific regulations. This article provides a comprehensive and professional review of the process for clearing these chemicals from Iranian customs, highlighting key and sensitive aspects of this procedure.

Technical Specifications and Industrial Applications:
Nitric Acid (HNO₃): Nitric acid is a strong acid and oxidizing agent with the chemical formula HNO₃. In its pure form, it is colorless and used in various industries, including the production of nitrogen fertilizers (such as ammonium nitrate), explosives (like TNT), dyes, resins, metallurgy, and extraction of precious metals like gold and platinum. Additionally, nitric acid is used in rocket fuel preparation, pharmaceutical industries, water and wastewater treatment, detergent production, dyes, and plastics.

Sulfonitric Acids: These acids contain both sulfonic (-SO₃H) and nitric (-NO₂) groups and are used as catalysts in complex chemical reactions, pharmaceutical production, and in the manufacturing of dyes and pigments.

Customs Tariff and HS Codes for Nitric Acid and Sulfonitric Acids
Customs Tariff (HS Code): HS Codes (Harmonized System Codes) are used internationally to classify traded goods, helping countries manage imports and exports in an organized manner. Below are the HS Codes for nitric and sulfonitric acids with further details:
1. HS Code for Nitric Acid
HS Code: 28080000
Nitric Acid is classified under this HS Code, covering nitric acid at any concentration. This code includes nitric acid used in industries such as fertilizer production, explosives manufacturing, metal processing, and other industrial applications.
Special Regulations:
The import of nitric acid under this HS code often requires specific safety and environmental permits, including compliance with safety standards regarding packaging, transportation, and storage.

2. HS Code for Sulfonitric Acids
HS Code: 28111900 (and similar codes)
Sulfonitric acids are assigned this HS Code, which includes compounds with sulfonic (-SO₃H) and nitric (-NO₂) groups, used in the production of specialized chemicals.
Applications:
Sulfonitric acids classified under this code are used in various industries, such as dye production, pharmaceuticals, special explosives production, and as catalysts or intermediaries in complex chemical reactions.
Special Regulations:
Importing these acids requires specific permits due to their complex chemical properties and potential hazards. The regulations governing their transportation and storage are stricter than those for other chemicals and must comply with international standards like the IMDG (International Maritime Dangerous Goods) Code.

Import Regulations and Clearance Restrictions:
For the import and clearance of nitric acid and sulfonitric acids from Iranian customs, compliance with regulations and obtaining the necessary permits are critical. Due to the sensitivity of these materials and their potential hazardous applications, especially in military industries, these permits are mandatory. Generally, importing these substances requires approvals from organizations such as the Environmental Protection Organization, Ministry of Industry, Mine, and Trade, and in specific cases, the Ministry of Defense.

Customs and Security Supervision:
Due to their hazardous nature, nitric acid and sulfonitric acids are under strict customs and security supervision. Any discrepancies in documentation or non-compliance with regulations may lead to delays or suspension of the clearance process. Furthermore, the transportation of these materials must adhere to the IMDG Code, with packaging in corrosion-resistant and leak-proof containers, clearly marked with hazard symbols and UN numbers.

Exporting and Importing Countries
Exporting Countries:
Nitric Acid: China, India, Germany, and the United States are among the largest producers and exporters of nitric acid globally.
Sulfonitric Acids: These acids are mainly produced and exported by European countries like Germany and Asian countries like Japan and South Korea.

Importing Countries:
Iran: Iran is a major importer of nitric acid, sourcing it from China, Germany, and India for use in the petrochemical, fertilizer, and defense industries.
Other Countries: Turkey and other Gulf countries are also major importers of sulfonitric acids.

Customs Clearance Procedures and Technical Points
Document Preparation:
The documents required for the clearance of these materials include a commercial invoice, packing list, certificate of origin, and Certificates of Analysis (COA). These documents must be prepared accurately and include all product details.

Quality Control and Inspection:
The imported materials are inspected by the Institute of Standards and Industrial Research of Iran to verify compliance with international standards. Special safety inspections are also carried out by customs and other regulatory bodies due to the hazardous nature of these chemicals.

Expedited Clearance:
Provided all documents are in order and regulations are met, expedited clearance of these materials is possible. Utilizing customs brokerage services specializing in chemicals can streamline the clearance process and prevent potential issues.

Special Clearance Services Provided by Karagary Saba:
Karagary Saba, with years of experience in the clearance of chemical and industrial goods, offers special services to its clients, including:
Expert Consultation: Specialized consultation on clearing chemical substances, such as nitric and sulfonitric acids, to understand all regulations and legal requirements.
Permit Acquisition: Close cooperation with government agencies to obtain the necessary permits for importing and clearing chemical substances.
Inspection and Quality Control: Coordination with the Institute of Standards and Industrial Research of Iran to conduct inspections and ensure compliance of imported materials with international standards.
Fast and Reliable Clearance: Utilizing a specialized and experienced team, we ensure the fast and reliable clearance of chemical substances.
Transportation Services: Providing safe transportation services in accordance with international standards for hazardous chemicals.