Vanillin Impurity Standard Piperonal
Certified reference piperonal at 0.1% concentration in acetonitrile for HPLC calibration in vanillin purity testing. Remains Chapter 29 under note 1(d)/(e) as diluted chemically defined compound for analytical use.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If prepared as diagnostic lab reagent with buffers
Composite lab reagents fall under 3822, excluding pure diluted standards.
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Import Tips & Compliance
• Label as 'analytical standard only'; comply with DOT shipping for acetonitrile; provide chromatogram validation
Related Products under HTS 2932.93.00.00
Piperonal (Heliotropin) Powder
Pure piperonal, also known as heliotropin, is a heterocyclic compound with an oxygen hetero-atom in a benzodioxole ring structure, classified under HTS 2932.93.00.00 as a specific aromatic aldehyde. It appears as a white to pale yellow crystalline powder with a strong vanilla-like cherry blossom fragrance, used primarily in perfumery and flavorings.
Pharmaceutical Grade Piperonal
High-purity piperonal meeting USP/EP standards for use as an intermediate in synthesizing pharmaceuticals like antipsychotics and antidepressants. This chemically defined heterocyclic oxygen compound is specifically named under HTS 2932.93.00.00, distinguishing it from general aromatic aldehydes.
Piperonal for Flavor Manufacturing
Technical grade piperonal crystals used in food flavorings to impart heliotrope notes in bakery and confectionery products. As a separate chemically defined compound under Chapter 29 note 1(a), it fits HTS 2932.93.00.00 for heterocyclic oxygen compounds.
Perfumery Grade Heliotropin Crystals
Refined heliotropin (piperonal) crystals optimized for fine fragrance compounding, offering superior stability and scent profile. Classified under HTS 2932.93.00.00 due to its status as a named heterocyclic compound with oxygen hetero-atom only.
Piperonal 10% in DEP Solution
Piperonal diluted to 10% in diethyl phthalate (DEP) solvent strictly for safe transport of this volatile compound. Qualifies under HTS 2932.93.00.00 per Chapter note 1(e) as a normal transport solution not rendered for specific use.
Stabilized Piperonal with Antioxidant
Piperonal powder with BHT stabilizer added solely for preservation during long-term storage and transport. Remains under HTS 2932.93.00.00 per Chapter note 1(f) for added stabilizers not altering general use.