2-hydroxy-2-methylbutanoic acid

• ChemBase ID: 144921
• Molecular Formular: C5H10O3
• Molecular Mass: 118.1311
• Monoisotopic Mass: 118.06299418
• SMILES: CCC(C)(C(=O)O)O
• Canonical SMILES: CC(C(=O)O)(CC)O
• InChI: InChI=1S/C5H10O3/c1-3-5(2,8)4(6)7/h8H,3H2,1-2H3,(H,6,7)
• InChIKey: MBIQENSCDNJOIY-UHFFFAOYSA-N

NAMES AND DATABASE IDS

Names

• IUPAC name: 2-hydroxy-2-methylbutanoic acid
• IUPAC Traditional name: 2-hydroxy-2-methylbutyric acid
• Synonyms: 2-Hydroxy-2-methylbutyric acid; 2-羟基-2-甲基丁酸

Database IDs

• CAS Number: 3739-30-8
• EC Number: 223-120-7
• MDL Number: MFCD00004476
• PubChem SID: 162239133; 24895608
• PubChem CID: 95433

CALCULATED PROPERTIES

• Acid pKa: 4.096793
• H Acceptors: 3
• H Donor: 2
• LogD (pH = 5.5): -0.9333448
• LogD (pH = 7.4): -2.6174934
• Log P: 0.48345876
• Molar Refractivity: 28.0771 cm^3
• Polarizability: 11.1556 Å^3
• Polar Surface Area: 57.53 Å^2
• Rotatable Bonds: 2
• Lipinski's Rule of Five: true

PROPERTIES

Physical Property

• Melting Point: 73-75 °C(lit.)

Safety Information

• European Hazard Symbols: Irritant (Xi)
• German water hazard class: 3
• Risk Statements: 36/37/38
• Safety Statements: 26-37/39
• GHS Pictograms: GHS07
• GHS Signal Word: Warning
• GHS Hazard statements: H315-H319-H335
• GHS Precautionary statements: P261-P305 + P351 + P338
• Personal Protective Equipment: dust mask type N95 (US), Eyeshields, Gloves

Product Information

• Purity: 98%
• Linear Formula: C2H5C(CH3)(OH)CO2H

DETAILS

Sigma Aldrich - H40009

Packaging
5 g in glass bottle
Other Notes
Tandem Mass Spectrometry data independently generated by Scripps Center for Metabolomics is available to view or download in PDF. H40009.pdf Tested metabolites are featured on Scripps Center for Metabolomics METLIN Metabolite Database. To learn more, visit sigma.com/metlin.