Pyruvic Acid
Pyruvic acid (2-oxopropanoic acid) is the simplest alpha-keto acid with both carboxylic and ketone functionalities, fitting HTS 2918.30.90.00 criteria. It is essential in organic synthesis, cosmetics, and as a biochemical reagent.
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Alternative Classifications
This product could be classified differently depending on its characteristics or intended use.
If saturated monocarboxylic without ketone
Acetic acid derivatives classify earlier, but ketone function moves to 2918.
If diluted >50% in water for safety transport
Chapter note (d) allows water solutions only if normal for safety, otherwise mixtures.
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Import Tips & Compliance
• Stabilize with phosphate buffer if shipping >90% concentration to prevent polymerization
• Include flash point data (<60°C) for DOT hazardous material declaration
• Verify not misdeclared as lactic acid (2918.11) which has hydroxy function
Related Products under HTS 2918.30.90.00
4-Hydroxyphenylpyruvic Acid
4-Hydroxyphenylpyruvic acid is a keto acid featuring both a carboxylic acid group and a ketone functionality, classifying it under HTS 2918.30.90.00 as a carboxylic acid with ketone function but without other oxygen functions beyond those specified. It is used in biochemical research and as an intermediate in pharmaceutical synthesis.
Benzoylformic Acid
Benzoylformic acid (phenylglyoxylic acid) is an aromatic alpha-keto acid with both carboxylic and ketone groups, falling under HTS 2918.30.90.00 for carboxylic acids with ketone function. It serves as a key intermediate in organic synthesis and pharmaceutical production.
Oxaloacetic Acid
Oxaloacetic acid features a ketone group beta to the carboxylic acid, meeting HTS 2918.30.90.00 for keto-functional carboxylic acids. It plays a critical role in the citric acid cycle and biochemical studies.
Levulinic Acid
Levulinic acid (4-oxopentanoic acid) contains a ketone group gamma to the carboxylic acid, qualifying for HTS 2918.30.90.00. It is a platform chemical derived from biomass for polymer and fuel applications.
2-Ketobutyric Acid
2-Ketobutyric acid is an alpha-keto acid with four carbons, fitting HTS 2918.30.90.00 as a carboxylic acid with ketone function. Applied in amino acid synthesis and metabolic pathway studies.
3-Ketobutyric Acid
3-Ketobutyric acid, a beta-keto acid, contains ketone and carboxylic functions per HTS 2918.30.90.00 classification. Used in organic synthesis despite instability.