2-Methyl-3-heptanone
2-Methyl-3-heptanone (CAS: 13019-20-0) is a ketone with the molecular formula C8H16O and a molecular weight of 128.21 g/mol. This organic compound serves as a valuable building block in chemical synthesis and is recognised for its role in analytical chemistry. It is frequently employed as an internal standard for the analysis of volatile compounds in various food matrices, aiding in accurate quantification and identification.
- IUPAC
- Butyl isopropyl ketone
- Synonyms
- Butyl isopropyl ketone
Internal Standard in Analytical Chemistry
2-Methyl-3-heptanone is utilized as an internal standard in techniques such as dynamic headspace sampling, direct solvent extraction, and vacuum simultaneous steam distillation–solvent extraction. This application is crucial for the precise analysis of volatile compounds in food products like soy sauce.
Volatile Compound Analysis
It serves as an internal standard in the identification of volatile flavour compounds in stored nonfat dry milk. This aids in analyses using gas chromatography-olfactometry and aroma extract dilution analysis, contributing to a better understanding of food aroma profiles.
Organic Synthesis Building Block
As a ketone, 2-Methyl-3-heptanone functions as a versatile building block in organic synthesis. Its structure allows for various chemical transformations, making it useful in the development of more complex organic molecules.
| Molecular weight | 128.21 |
|---|---|
| Linear formula | CH3(CH2)3COCH(CH3)2 |
| Assay | 99% |
| Boiling point | 158-160 °C(lit.) |
| Density | 0.816 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.411(lit.) |
| Application | 2-Methyl-3-heptanone was used as an internal standard in dynamic headspace sampling, direct solvent extraction and vacuum simultaneous steam distillation–solvent extraction for sample preparation in volatile compound analysis in Thai soy sauce1. It was used as an internal standard in the identification of volatile flavor compounds of stored nonfat dry milk using gas chromatography-olfactometry and aroma extract dilution analysis2. |
Hazard statements
- H226Flammable liquid and vapour
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | Eyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 43 °C / 109.4 °F |
| Transport (UN / ADR) | UN 1224C 3 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 10-36/37/38 |
| Safety statements (S) | 16-26-36/37/39 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is 2-Methyl-3-heptanone used for?
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2-Methyl-3-heptanone is primarily used as an internal standard in analytical chemistry for the precise identification and quantification of volatile compounds in food products, and as a building block in organic synthesis.
What is the CAS number and molecular formula for 2-Methyl-3-heptanone?
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The CAS number for 2-Methyl-3-heptanone is 13019-20-0, and its molecular formula is C8H16O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 2-Methyl-3-heptanone with a purity of 99%. We do not represent this product as USP, BP, or EP grade unless explicitly stated.
How should 2-Methyl-3-heptanone be handled safely?
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2-Methyl-3-heptanone is a flammable liquid and vapour (H226) and can cause skin (H315), serious eye (H319), and respiratory irritation (H335). Handle with appropriate personal protective equipment including eyeshields, gloves, and in a well-ventilated area or with a suitable respirator. Store away from heat, sparks, and open flames. Refer to the Safety Data Sheet for comprehensive handling information.
Is 2-Methyl-3-heptanone a controlled substance?
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Based on the provided data, 2-Methyl-3-heptanone is not listed as a controlled substance.
How is 2-Methyl-3-heptanone packed, shipped, or exported?
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2-Methyl-3-heptanone is classified under UN 1224C 3/PGIII for transport. It is shipped according to international regulations for hazardous materials. Specific packaging details are available upon request.
How can I request a sample or quote for 2-Methyl-3-heptanone?
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To request a sample or a quote for 2-Methyl-3-heptanone, please contact our sales team through the website or by phone.
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