(S)-(+)-2-butanol

(S)-()-sec-butyl alcohol

CAS: 4221-99-2 C4 H10 O MW: 74.12290000 oily

Identification

Name(S)-(+)-2-butanol
CAS Number4221-99-2
EINECS224-168-1
FDA UNII69KXU5NDTO
Molecular FormulaC4 H10 O
Molecular Weight74.12290000
MDL NumberMFCD00064281
Nikkaji NumberJ9.275D
Beilstein1718763
XlogP30.60 (est)

Regulatory

Physical Properties

Appearance colorless to pale yellow clear liquid (est)
Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Specific Gravity 0.80700 to 0.81000 @ 20.00 °C.
Pounds per Gallon - (est). 6.723 to 6.748
Refractive Index 1.39600 to 1.39800 @ 20.00 °C.
Optical Rotation +11.0 to +14.0
Boiling Point 96.00 to 97.00 °C. @ 760.00 mm Hg (est)
Vapor Pressure 25.243999 mmHg @ 25.00 °C. (est)
Flash Point 80.00 °F. TCC ( 26.70 °C. ) (est)
logP (o/w) 0.691 (est)
Soluble in alcohol

Organoleptic Properties

Odor Description at 1.00 % in dipropylene glycol.

Safety Information

Preferred SDSView
Oral/Parenteral ToxicityNot determined
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements']

Safety in Use

Categorynatural substances and extractives
Recommendation for (S)-(+)-2-butanol usage levels up tonot for fragrance use.
Recommendation for (S)-(+)-2-butanol flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

found in nature

Synonyms

(2S)- butan-2-ol (2S)-(+)- butan-2-ol (S)- butan-2-ol (2S)-2- butanol (S)-()-2- butanol (S)-2- butanol 2- butanol, (2S)- 2- butanol, (S)- (S)-()-sec- butyl alcohol D-(+)- ethylmethylcarbinol PubMed: Enantioselective, continuous (R)- and (S)-2-butanol synthesis: Achieving high space-time yields with recombinant E. coli cells in a micro-aqueous, solvent-free reaction system. PubMed: The effect of fluorine substitution on chiral recognition: interplay of CH···π, OH···π and CH···F interactions in gas-phase complexes of 1-aryl-1-ethanol with butan-2-ol. PubMed: Age-dependent changes in the ratio of (R)- and (S)-2-butanol released by virgin females of Dasylepida ishigakiensis (Coleoptera: Scarabaeidae). PubMed: Intermolecular chiral assemblies in R(-) and S(+) 2-butanol detected by microcalorimetry measurements. PubMed: Mixed-valent uranium(IV,VI) diphosphonate: synthesis, structure, and spectroscopy. PubMed: Enzyme-based glucose delivery as a high content screening tool in yeast-based whole-cell biocatalysis. PubMed: Mating disruption by a synthetic sex pheromone in the white grub beetle Dasylepida ishigakiensis (Coleoptera: Scarabaeidae) in the laboratory and sugarcane fields. PubMed: Kinetic resolution of (R,S)-2-butanol using enzymatic synthesis of esters. PubMed: Chiral recognition between 1-(4-fluorophenyl)ethanol and 2-butanol: higher binding energy of homochiral complexes in the gas phase. PubMed: Immobilization conditions of ketoreductase on enantioselective reduction in a gas-solid bioreactor. PubMed: Molecular basis for enantioselectivity in the (R)- and (S)-hydroxypropylthioethanesulfonate dehydrogenases, a unique pair of stereoselective short-chain dehydrogenases/reductases involved in aliphatic epoxide carboxylation. PubMed: Enantioselective HF loss promoted by resonant two-photon ionization of supersonically expanded (R)-1-phenyl-2,2,2-trifluoroethanol clusters. PubMed: Compound-specific nitrogen isotope analysis of D-alanine, L-alanine, and valine: application of diastereomer separation to delta15N and microbial peptidoglycan studies. PubMed: Chiral-selective chemistry induced by spin-polarized secondary electrons from a magnetic substrate. PubMed: Enantioselective chemisorption of propylene oxide on a 2-butanol modified Pd(111) surface: the role of hydrogen-bonding interactions. PubMed: A Thermoanaerobacter ethanolicus secondary alcohol dehydrogenase mutant derivative highly active and stereoselective on phenylacetone and benzylacetone. PubMed: Gas-phase chiral separations by ion mobility spectrometry. PubMed: Chirality in anesthesia I: minimum alveolar concentration of secondary alcohol enantiomers. PubMed: Modelling neurotransmitter functions: a laser spectroscopic study of (1S,2S)-N-methyl pseudoephedrine and its complexes with achiral and chiral molecules. PubMed: Analysis of vibrational circular dichroism spectra of (s)-(+)-2-butanol by rotational strengths expressed in local symmetry coordinates. PubMed: The stereoselectivity and catalytic properties of Xanthobacter autotrophicus 2-[(R)-2-Hydroxypropylthio]ethanesulfonate dehydrogenase are controlled by interactions between C-terminal arginine residues and the sulfonate of coenzyme M. PubMed: Enantioseparation of chiral amino acids as the N(O,S)-ethoxycarbonylated diastereomeric esters by achiral dual-capillary column gas chromatography. PubMed: R2PI Study of intermolecular hydrogen bond in solvent-free chiral complexes. PubMed: Spectroscopic studies of enantiomeric discrimination in jet-cooled chiral complexes. PubMed: Short-range interactions within molecular complexes formed in supersonic beams: structural effects and chiral discrimination PubMed: Stereospecificity of hydrogen transfer by the NAD(+)-linked alcohol dehydrogenase from the Antarctic psychrophile Moraxella sp. TAE123. PubMed: Kinetic mechanism of yeast alcohol dehydrogenase activity with secondary alcohols and ketones. PubMed: Assay of the enantiomers of 1,2-propanediol, 1,3-butanediol, 1,3-pentanediol, and the corresponding hydroxyacids by gas chromatography-mass spectrometry. PubMed: An improved procedure for the analysis of linkage positions in 2-acetamido-2-deoxy-D-glucopyranosyl residues by the reductive-cleavage method. PubMed: Analysis by the reductive-cleavage method of a polysaccharide containing 2-acetamido-2,6-dideoxy-D- and -L-galactopyranosyl residues. PubMed: Substrate specificity and stereoselectivity of horse liver alcohol dehydrogenase. Kinetic evaluation of binding and activation parameters controlling the catalytic cycles of unbranched, acyclic secondary alcohols and ketones as substrates of the native and active-site-specific Co(II)-substituted enzyme. PubMed: Determination of alpha-alkyl-alpha-amino acids and alpha-amino alcohols by chiral-phase capillary gas chromatography and reverse-phase high-performance liquid chromatography. PubMed: Occurrence of multiple forms of alcohol dehydrogenase in Penicillium supplemented with 2,3-butanediol.