Methadone Phosphate

Methadone phosphate provides a buffered salt form for oral solutions in opioid maintenance programs. Under HTS 2922.31.00.00, classified with the methadone base per salt rules in chapter notes, as an oxygen-function amino-ketone. Pure form without multi-oxygen functions.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
๐Ÿ‡จ๐Ÿ‡ณChinaFreeโ€”Free
๐Ÿ‡ฒ๐Ÿ‡ฝMexicoFreeโ€”Free
๐Ÿ‡จ๐Ÿ‡ฆCanadaFreeโ€”Free
๐Ÿ‡ฉ๐Ÿ‡ชGermanyFreeโ€”Free
๐Ÿ‡ฏ๐Ÿ‡ตJapanFreeโ€”Free

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

2835.29Higher: 14.1% vs Free

If purely phosphonate salts without organic base

Organic salts follow base compound in 2922; inorganic phosphates in 2835.

2941.90.10Same rate: Free

If antibiotics with similar amine structures

Chapter 29 precedence for non-antibiotic amino-ketones; antibiotics excluded to 2941.

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Import Tips & Compliance

โ€ข Ensure pH stability certification; comply with narcotic manifest filing; avoid delays from missing end-user statements

Related Products under HTS 2922.31.00.00

Methadone Hydrochloride

Methadone hydrochloride is the salt form of methadone, a synthetic opioid used primarily for opioid use disorder treatment and pain management. It falls under HTS 2922.31.00.00 as a chemically defined amino-ketone with oxygen function, specifically listed as methadone (INN) and its salts. This classification applies to pure pharmaceutical-grade material for compounding or direct medicinal use.

Methadone Hydrobromide

Methadone hydrobromide serves as an alternative salt of methadone, utilized in pharmaceutical preparations for maintenance therapy in addiction treatment. Classified under HTS 2922.31.00.00 per chapter notes for salts of listed amino-ketones with oxygen functions. It meets criteria as a separate chemically defined organic compound.

Amfepramone Hydrochloride

Amfepramone hydrochloride, known as diethylpropion HCl, is a sympathomimetic amine used as an appetite suppressant in weight loss treatments. It qualifies under HTS 2922.31.00.00 as the salt of amfepramone (INN), an amino-ketone with single oxygen function. Chapter notes confirm inclusion for such pure compounds.

Normethadone Hydrochloride

Normethadone hydrochloride is the salt of normethadone, a methadone analog studied for analgesic properties and opioid research. It is explicitly covered by HTS 2922.31.00.00 as a listed amino-ketone salt with oxygen function, excluding multi-oxygen types. Fits chapter scope for separate organic compounds.

Methadone Mesylate

Methadone mesylate is a methanesulfonic acid salt of methadone, used in liquid formulations for pain relief and substitution therapy. HTS 2922.31.00.00 applies via chapter note (C)(1) for inorganic/organic salts classified with the base organic compound. Ensures precedence for oxygen-function amino-ketones.

Diethylpropion Hydrochloride

Diethylpropion hydrochloride, the INN amfepramone HCl, acts as a short-term anorectic agent in obesity management. Classified in HTS 2922.31.00.00 for its amino-ketone structure with oxygen function, as a listed INN salt. Chapter excludes only specific non-applicable items like ethyl alcohol.