Propionic Anhydride
Propionic anhydride is the anhydride of propionic acid, a saturated acyclic monocarboxylic acid derivative used in acetylation reactions. HTS 2915.29.50.00 includes such anhydrides of 'other' acids.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If peroxides/peroxyacids rather than simple anhydride
Peroxy derivatives have separate provisions
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Import Tips & Compliance
• UN 2503 Propionic anhydride labeling mandatory
• Moisture exclusion critical (reacts with water)
• Distinguish from acid chloride (2915.90 potential)
Related Products under HTS 2915.29.50.00
Isobutyric Acid
Isobutyric acid (2-methylpropanoic acid) is a saturated acyclic monocarboxylic acid used in organic synthesis, flavor production, and as an intermediate for pharmaceuticals. It falls under HTS 2915.29.50.00 as it is neither acetic acid nor its derivatives, fitting the 'other' category for saturated acyclic monocarboxylic acids.
Valeric Acid
Valeric acid (pentanoic acid) is a straight-chain saturated monocarboxylic acid used in flavors, fragrances, and as a chemical intermediate. Classified under HTS 2915.29.50.00 as 'other' saturated acyclic monocarboxylic acids excluding acetic acid.
Caproic Acid
Caproic acid (hexanoic acid) is a C6 saturated acyclic monocarboxylic acid used in coconut flavorings, pharmaceuticals, and lubricants. It qualifies for HTS 2915.29.50.00 as 'other' in this saturated acid category.
Heptanoic Acid
Heptanoic acid (enanthic acid) is a C7 saturated monocarboxylic acid used in organic synthesis and as a corrosion inhibitor. Falls under HTS 2915.29.50.00 for other saturated acyclic monocarboxylic acids.
Pelargonic Acid
Pelargonic acid (nonanoic acid) is a C9 saturated acyclic monocarboxylic acid used in herbicides, lubricants, and cosmetics. Classified in HTS 2915.29.50.00 as other saturated monocarboxylic acids.
Sodium Valerate
Sodium valerate is the sodium salt of valeric acid, a saturated acyclic monocarboxylic acid salt used in pharmaceuticals and feed additives. It classifies under HTS 2915.29.50.00 following the parent acid per Chapter Note on salts.