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2-Methylbutanoic Acid

CAS: 116-53-0 | C5H10O2

2D Structure

3D Structure

Loading 3D structure...

Basic Information

CAS Registry Number: 116-53-0
Molecular Formula: C5H10O2
Molecular Weight: 102.13299999999998 g/mol

Names and Synonyms:

2-Methylbutanoic Acid
Hydroangelic acid
NSC 7304
2-Ethylpropanoic acid
(±)-α-Methylbutyric acid
(±)-2-Methylbutanoic acid
DL-α-Methylbutyric acid
DL-2-Methylbutanoic acid
(±)-Methylethylacetic acid
(±)-2-Methylbutyric acid
DL-2-Methylbutyric acid
2-Methyl-n-butyric acid
α-Methyl-n-butyric acid
Methylethylacetic acid
α-Methylbutyric acid
2-Methylbutyric acid
Ethylmethylacetic acid
Active valeric acid
2-Methylbutanoic acid
Butyric acid, α-methyl-
Butyric acid, 2-methyl-
Butanoic acid, 2-methyl-

Identifiers:

SMILES:
CCC(C)C(=O)O
InChI:
InChI=1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7)

Spectral Data

NMR, IR, and Mass spectral data

1H NMR
13C NMR
Predicting NMR spectra...
10 ppm 9 8 7 6 5 4 3 2 1 0 ppm
Shift (ppm) Multiplicity Integration Assignment
200 ppm 180 160 140 120 100 80 60 40 20 0 ppm
Shift (ppm) DEPT Assignment

Note: These NMR spectra are predicted computationally and may differ from experimental data. Predictions are based on chemical environment analysis.

External Resources

All Properties

Comprehensive physical and chemical properties

Physical Properties

Property Value Source
cas-canonical-smile O=C(O)C(C)CC None Legacy Database
cas-boiling-point 176.5 °C None Legacy Database
molecular_mass 102.13 g/mol Legacy Database
density 0.93 g/cm³ Legacy Database
wikipedia_url https://en.wikipedia.org/wiki/2-Methylbutanoic_acid None Legacy Database
cas-density 0.9332 g/cm3 @ Temp: 20 °C None Legacy Database
cas-inchi InChI=1S/C5H10O2/c1-3-4(2)5(6)7/h4H,3H2,1-2H3,(H,6,7) None Legacy Database
cas-inchi-key InChIKey=WLAMNBDJUVNPJU-UHFFFAOYSA-N None Legacy Database
cas-name 2-Methylbutanoic acid None Legacy Database
wikipedia-name 2-Methylbutanoic acid None Legacy Database
LogP 1.1171 RDKit

Molecular

Property Value Source
Molecular Weight 102.13299999999998 g/mol RDKit

Exact

Property Value Source
Exact Molecular Weight 102.06807956 g/mol RDKit

Heavy

Property Value Source
Heavy Atom Count 7 count RDKit

Hydrogen

Property Value Source
Hydrogen Bond Acceptors 1 count RDKit
Hydrogen Bond Donors 1 count RDKit

Rotatable

Property Value Source
Rotatable Bonds 2 count RDKit

Aromatic

Property Value Source
Aromatic Ring Count 0 count RDKit

Topological

Property Value Source
Topological Polar Surface Area 37.3 Ų RDKit

Molar

Property Value Source
Molar Refractivity 27.090799999999987 RDKit

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