103128

2-Methyl-3-heptanone

99%

• Synonym(s): Butyl isopropyl ketone
• Linear Formula: CH₃(CH₂)₃COCH(CH₃)₂
• CAS Number: 13019-20-0
• Molecular Weight: 128.21
• EC Number: 235-877-0
• MDL number: MFCD00009481
• UNSPSC Code: 12352100
• PubChem Substance ID: 24846595
• NACRES: NA.22

Properties

• Quality Level: 100
• Assay: 99%
• refractive index: n20/D 1.411 (lit.)
• bp: 158-160 °C (lit.)
• density: 0.816 g/mL at 25 °C (lit.)
• SMILES string: CCCCC(=O)C(C)C
• InChI: 1S/C8H16O/c1-4-5-6-8(9)7(2)3/h7H,4-6H2,1-3H3
• InChI key: XYYMFUCZDNNGFS-UHFFFAOYSA-N

Description

General description

2-Methyl-3-heptanone is a colorless to light yellow liquid. It is one of the trace taste- and odor-causing organic compounds present in natural water.

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 sauce. 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 analysis.

Safety Information

• Pictograms: GHS02,GHS07
• Signal Word: Warning
• Hazard Statements: H226,H315,H319,H335
• Precautionary Statements: P210 - P233 - P240 - P241 - P303 + P361 + P353 - P305 + P351 + P338
• Hazard Classifications: Eye Irrit. 2 - Flam. Liq. 3 - Skin Irrit. 2 - STOT SE 3
• Target Organs: Respiratory system
• Storage Class Code: 3 - Flammable liquids
• WGK: WGK 3
• Flash Point(F): 109.4 °F - closed cup
• Flash Point(C): 43 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves