245526

(S)-(+)-2-Methylbutyric acid

98%

• Synonym(s): (2S)-2-methylbutanoic acid, (S)-2-methylbutanoate, (S)-2-methylbutanoic acid, (S)-2-methylbutyric acid, 2-methylbutyric acid
• Linear Formula: C₂H₅CH(CH₃)CO₂H
• CAS Number: 1730-91-2
• Molecular Weight: 102.13
• Beilstein: 1720485
• MDL number: MFCD00063166
• UNSPSC Code: 51113400
• PubChem Substance ID: 24854738
• NACRES: NA.22

Properties

• Assay: 98%
• form: liquid
• optical activity: [α]20/D +19°, neat
• optical purity: ee: 98% (GLC)
• refractive index: n20/D 1.406 (lit.)
• bp: 78 °C/15 mmHg (lit.)
• density: 0.938 g/mL at 25 °C (lit.)
• functional group: carboxylic acid
• storage temp.: 2-8°C
• SMILES string: CC[C@H](C)C(O)=O
• InChI: 1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)/t4-/m0/s1
• InChI key: WLAMNBDJUVNPJU-BYPYZUCNSA-N

Description

Application

(S)-(+)-2-Methylbutyric acid may be used in the preparation of the stereoisomers of (R)-lavandulyl (S)-2-methylbutanoate and (R)-maconelliyl (S)-2-methylbutanoate, which are female sex pheromones found in pink hibiscus mealybug.

Chiral starting material

Safety Information

• Pictograms: GHS05
• Signal Word: Danger
• Hazard Statements: H314
• Precautionary Statements: P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338 - P363 - P405
• Hazard Classifications: Skin Corr. 1B
• Storage Class Code: 8A - Combustible corrosive hazardous materials
• WGK: WGK 3
• Flash Point(F): 163.4 °F - closed cup
• Flash Point(C): 73 °C - closed cup
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves