Sodium Propionate
Sodium propionate is the sodium salt of propionic acid, a saturated acyclic monocarboxylic acid. It falls under HTS 2915.50.50.00 as a salt of propionic acid not specifically provided for elsewhere in the subheading. Commonly used as a food preservative to inhibit mold growth.
Import Duty Rates by Country of Origin
Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If aromatic or specifically listed
Only non-aromatic, other propionic acid salts fall under 2915.50.50.00; aromatic derivatives classified earlier.
If imported as mixture or preparation
Mixtures containing sodium propionate for specific uses classified in Chapter 38 as chemical preparations.
If fertilizer grade with diammonium phosphate
Fertilizer formulations containing propionates classified by principal function in Chapter 31.
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Import Tips & Compliance
• Provide chemical analysis certificate confirming sodium propionate purity and absence of contaminants
• For food-grade imports, ensure FDA prior notice and compliance with 21 CFR food additive regulations
• Verify CAS number 137-40-6 on commercial invoice to avoid classification disputes
Related Products under HTS 2915.50.50.00
Isopropyl Propionate
Isopropyl propionate is an ester formed from propionic acid and isopropanol, used as a flavoring agent and solvent. Falls under HTS 2915.50.50.00 as an 'other' ester of propionic acid per chapter note A on ester classification. Clear, colorless liquid with fruity odor.
Methyl Propionate
Methyl propionate, the methyl ester of propionic acid, serves as an intermediate in pharmaceutical synthesis and flavor applications. HTS 2915.50.50.00 classification follows chapter note A, assigning esters to the parent acid heading occurring last numerically.
Propionic Anhydride
Propionic anhydride, (CH3CH2CO)2O, is the mixed anhydride of propionic acid used in acetylation reactions and pharmaceutical intermediates. Although the heading mentions anhydrides, this falls in 'other' as not specifically provided for. Highly reactive, pungent liquid.
Ethyl Propionate
Ethyl propionate (CH3CH2COOCH2CH3) is the ethyl ester of propionic acid used in fruit flavorings and as a printing ink solvent. Classified per chapter note B with the corresponding propionic acid heading. Colorless liquid with apple-like odor.
N-Propyl Propionate
N-propyl propionate is a short-chain ester used in coatings, adhesives, and as a flavor intermediate. HTS 2915.50.50.00 applies to this 'other' propionic acid ester following chapter ester classification rules. Low-odor, medium-evaporating solvent.
Ammonium Propionate
Ammonium propionate (NH4C2H5COO) serves as a dough conditioner and intermediate for other propionates. As a salt of propionic acid, classified under HTS 2915.50.50.00 per chapter note C(1) for organic salts. White crystalline solid.