Diphenyl Ether (Diphenyl Oxide)
Diphenyl ether is a high-boiling aromatic ether used as heat transfer fluid. Classified under HTS 2909.30.60.00 as 'other' aromatic ether. Widely imported for industrial thermal applications.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If considered substituted diphenyl rather than ether
Biphenyl derivatives without ether emphasis may classify as hydrocarbons.
If anti-freezing preparation or heat transfer fluid mixture
Industrial fluid preparations containing >70% diphenyl ether classify under Chapter 38.
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Import Tips & Compliance
• Specify azeotrope composition if blended with biphenyl (Therminol VP-1 type)
• Use steel drums with nitrogen padding for transoceanic shipment stability
• Declare flash point (239°F) for proper IMDG Class 9 hazardous material handling
Related Products under HTS 2909.30.60.00
Anisole (Methoxybenzene)
Anisole is a colorless liquid aromatic ether with the formula C6H5OCH3, used as a solvent and fragrance intermediate. It falls under HTS 2909.30.60.00 as an aromatic ether, chemically defined and not specifically excluded. Primarily imported for chemical synthesis and perfumery applications.
Phenetole (Ethoxybenzene)
Phenetole is an aromatic ether (C6H5OC2H5) used in organic synthesis and as a solvent. Classified under HTS 2909.30.60.00 as 'other' aromatic ethers, distinct from specific listed compounds. Commonly imported for pharmaceutical intermediate production.
1-Methoxy-2-methylnaphthalene
A substituted aromatic ether used in dye manufacturing and as an intermediate. Falls under HTS 2909.30.60.00 as an 'other' aromatic ether derivative. The methoxy group on the naphthalene ring qualifies it for this specific classification.
Veratrole (1,2-Dimethoxybenzene)
Veratrole is a dimethylated aromatic ether used in pharmaceutical synthesis and fragrances. Classified in HTS 2909.30.60.00 as an aromatic ether not elsewhere specified. The dual methoxy groups on the benzene ring define its ether classification.
Guaiacol (2-Methoxyphenol)
Guaiacol is an aromatic ether-phenol used in pharmaceuticals and as a flavoring agent. While containing phenolic OH, classified primarily as aromatic ether under HTS 2909.30.60.00. Common import for expectorant formulations and wood smoke flavoring.
4-Methoxybiphenyl
A biphenyl derivative with methoxy substitution, used in liquid crystal materials. Falls under HTS 2909.30.60.00 as an aromatic ether. Imported for electronics and display technology applications.