2-methyl-1-butanol

2-methylbutan-1-ol

CAS: 137-32-6 C5 H12 O MW: 88.14984000 ethereal ethereal

Identification

Name2-methyl-1-butanol
IUPAC2-methylbutan-1-ol
CAS Number137-32-6
EINECS205-289-9
FDA UNII7VTJ239ASU
Molecular FormulaC5 H12 O
Molecular Weight88.14984000
MDL NumberMFCD00004743
Nikkaji NumberJ2.022B
Beilstein1718810
CoE Number2346

Regulatory

JECFA Food Flavoring1199 (+/-)-2-methyl-1-butanol
DG SANTE Food Flavourings02.076 2-methylbutan-1-ol
FEMA Number3998
FDANo longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm (SATF)137-32-6 ; 2-METHYL-1-BUTANOL

Physical Properties

Appearance colorless clear liquid (est)
Assay 99.00 to 100.00 sum of isomers
Additional Assay Information racemate
Food Chemicals Codex Listed No
Specific Gravity 0.81500 to 0.82000 @ 25.00 °C.
Pounds per Gallon - (est). 6.782 to 6.823
Refractive Index 1.40900 to 1.41200 @ 20.00 °C.
Boiling Point 128.00 to 130.00 °C. @ 760.00 mm Hg
Acid Value 1.00 max. KOH/g
Vapor Pressure 4.760000 mmHg @ 25.00 °C. (est)
Vapor Density 3.0 ( Air = 1 )
Flash Point 110.00 °F. TCC ( 43.33 °C. )
logP (o/w) 1.290
Soluble in alcohol

Cosmetic Information

CosIngcosmetic data
Cosmetic Usesperfuming agents

Organoleptic Properties

Odor Strength medium
Substantivity < 1 hour(s) at 100.00 %
Odor Description at 100.00 %.
Odor sample from Advanced Biotech. Inc.
Taste Description ethereal alcoholic fatty greasy cocoa whiskey fusel leathery

Safety Information

Preferred SDSView
European informationMost important hazard(s):
Oral/Parenteral Toxicityparenteral-frog LDLo 2448 mg/kg
Dermal Toxicityskin-rabbit LD50 3540 ul/kg
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements', 'PERIPHERAL NERVE AND SENSATION: SPASTIC PARALYSIS WITH OR WITHOUT SENSORY CHANGE\nBEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)']

Safety in Use

Categoryflavor and fragrance agents
RIFM Fragrance Material Safety AssessmentSearch
Recommendation for 2-methyl-1-butanol usage levels up to1.0000 % in the fragrance concentrate.
Maximised Survey-derived Daily Intakes (MSDI-EU)0.73 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA)35.00 (μg/capita/day)
Threshold of Concern1800 (μg/person/day)
Structure ClassI
baked goods2.00000
beverages(nonalcoholic)0.10000
beverages(alcoholic)400.00000
breakfast cereal-
cheese-
chewing gum2.00000
condiments / relishes-
confectionery froastings0.30000
egg products0.30000
fats / oils0.50000
fish products-
frozen dairy1.50000
fruit ices0.80000
gelatins / puddings0.20000
granulated sugar-
gravies0.30000
hard candy0.30000
imitation dairy-
instant coffee / tea0.10000
jams / jellies0.40000
meat products-
milk products0.10000
nut products-
other grains-
poultry-
processed fruits-
processed vegetables-
reconstituted vegetables-
seasonings / flavors0.30000
snack foods0.40000
soft candy0.40000
soups0.20000
sugar substitutes-
sweet sauces-

Advanced Biotech. Inc.

Inspired by Nature

A diverse range of products, all meeting our stringent commitment to quality.

View All Website 973-339-6242 info@adv-bio.com

Alfrebro LLC/ Archer Daniels Midland Company

Let's get reacquainted

Building great taste with aroma chemicals, extracts, and distillates

View All Website 513-539-7373 sforbis@alfrebro.com

Augustus Oils Ltd

The Premier Supplier

Augustus Oils Ltd, in harmony with nature - to present it at its best...

View All Website +44 (0)1420 590555 essentials@augustus-oils.ltd.uk

Axxence Aromatic GmbH

We bring nature to your flavour

Dedicated to provide the best possible quality and supply service of natural aroma ingredients.

View All Website +49.2822.68561.0 service@axxence.com

Beijing Lys Chemicals Co, LTD.

From Grams to Tons

Fine chemical high-tech company which contains R&D, production, and sales.

View All Website 86-10-68418738 jiayanyong@lyschem.com

CJ Latta & Associates, LLC

Extensive Line

Aromatic Chemicals and Organic Acids.

View All Website (630) 240-8079 chiplatta@msn.com

Excellentia International

Ingredients by Nature

Exceptional quality and excellence in meeting our customers requirements.

View All Website 732.749.9840 info@excellentiaint.com

Lluch Essence S.L.

A family company dedicated to sales and distribution

Flexibility, availability, price and quality.

View All Website 34 93 379 38 49 web@lluche.com

M&U International LLC

Steady supply & demand

Meeting customers increasing demands at home as well as abroad.

View All Website 908-359-9000 sales@mu-intel.com

Penta International Corporation

Chemistry innovation

At Penta, our products and services help businesses do business better.

View All Website (973) 740-2300 lisaa@pentamfg.com

Sigma-Aldrich

Complete Supply Chain

The perfect blend of products and services that bring your creativity to life.

View All Website 800-244-1173 ff@sial.com

SRS Aromatics Ltd

For over 25 years

Bringing flavour and fragrance into your world.

View All Website +44 (0) 1284 704076 info@srsaromatics.co.uk

Sunaux International

Buy With Confidence

We have industry leading processes and procedures to ensure nothing but the most reliable product.

View All Website 0512-57995626 johnjft@sunaux.com

Synerzine, Inc.

Innovation. Customization. Aroma Ingredients.

Synerzine is a leading supplier of flavor and fragrance ingredients.

View All Website (404) 524-6744 info@synerzine.com

TCI AMERICA

Moving Your Chemistry Forward

We continuously strive to advance our technology.

View All Website 1-800-423-8616 Sales-US@TCIchemicals.com;

Qingdao Free Trade Zone United International Co Ltd

Quality Products

A partner in your supply chain solution.

View All Website +86-532-83893699 info@unitedint.com

WholeChem, LLC

Connecting Innovators To the Building Blocks Of the Universe

Custom manufacturer and distributor of specialty ingredients. We make global local.

View All Website +1 (262) 995.8668 info@wholechem.com

Potential Uses

FL tropical

Natural Occurrence

bean black bean stem oil bean field bean stem oil bilberry fruit juice champaca concrete @ 0.01% Data corn silk eriocephalus punctulatus oil @ 0.50% Data kohlrabi stem mushroom giant puffball mushroom PMC pepper bell pepper fruit plum fruit spearmint oil truffle

Synonyms

butan-1-ol, 2-methyl- 1- butanol, 2-methyl- 1- butanol, 2-methyl-, (±)- di-sec-butyl carbinol 2- methyl butan-1-ol 2- methyl butanol 2- methyl butyl alcohol 2- methyl butyl alcohol natural (+/-)-2- methyl-1-butanol DL-2- methyl-1-butanol 2- methyl-1-butanol natural methyl-2-butan-1-ol methyl-2-butanol-1 2- methyl-N-butanol (1)-2- methylbutan-1-ol 2- methylbutan-1-ol 2- methylbutanol nat.L-2- methylbutanol 2- methylbutyl alcohol US Patents: 7,932,293 - Aldehyde compositions and methods for providing fragrance containing the same PubMed: Engineering Corynebacterium crenatum to produce higher alcohols for biofuel using hydrolysates of duckweed (Landoltia punctata) as feedstock. PubMed: Volatile Profiles of Members of the USDA Geneva Malus Core Collection: Utility in Evaluation of a Hypothesized Biosynthetic Pathway for Esters Derived from 2-Methylbutanoate and 2-Methylbutan-1-ol. PubMed: The dynamics of the HS/SPME-GC/MS as a tool to assess the spoilage of minced beef stored under different packaging and temperature conditions. PubMed: High-quality Italian rice cultivars: chemical indices of ageing and aroma quality. PubMed: A new hemiterpene glycoside from the ripe tomatoes. PubMed: The exometabolome of Clostridium thermocellum reveals overflow metabolism at high cellulose loading. PubMed: Differential field responses of the little fire ant, Wasmannia auropunctata (Roger), to alarm pheromone enantiomers. PubMed: Production of volatiles in fresh-cut apple: effect of applying alginate coatings containing linoleic acid or isoleucine. PubMed: Metabolic engineering of microorganisms for the production of higher alcohols. PubMed: Analysis of volatile components of cape gooseberry (Physalis peruviana L.) grown in Turkey by HS-SPME and GC-MS. PubMed: Tumor necrosis factor-related apoptosis-inducing ligand regulates hallmark features of airways remodeling in allergic airways disease. PubMed: Salmeterol attenuates chemotactic responses in rhinovirus-induced exacerbation of allergic airways disease by modulating protein phosphatase 2A. PubMed: Effect of high oxygen and high carbon dioxide atmosphere packaging on the microbial spoilage and shelf-life of fresh-cut honeydew melon. PubMed: Characterization of volatile components in makgeolli, a traditional Korean rice wine, with or without pasteurization, during storage. PubMed: Widely applicable synthesis of enantiomerically pure tertiary alkyl-containing 1-alkanols by zirconium-catalyzed asymmetric carboalumination of alkenes and palladium- or copper-catalyzed cross-coupling. PubMed: Furry pet allergens, fungal DNA and microbial volatile organic compounds (MVOCs) in the commercial aircraft cabin environment. PubMed: A survey of insect assemblages responding to volatiles from a ubiquitous fungus in an agricultural landscape. PubMed: Muscodor albus volatiles control toxigenic fungi under Controlled Atmosphere (CA) storage conditions. PubMed: Characterisation of tequila according to their major volatile composition using multilayer perceptron neural networks. PubMed: Control over the color transition behavior of polydiacetylene vesicles using different alcohols. PubMed: Volatile organic compounds derived from 2-keto-acid decarboxylase in Microcystis aeruginosa. PubMed: Evaluation of fast volatile analysis for detection of Botrytis cinerea infections in strawberry. PubMed: Unusual dielectric strength of Debye relaxation in monohydroxy alcohols upon mixing. PubMed: Thermal decomposition of 1-pentanol and its isomers: a theoretical study. PubMed: Determination of volatile compounds in wine by gas chromatography-flame ionization detection: comparison between the U.S. Environmental Protection Agency 3sigma approach and Hubaux-Vos calculation of detection limits using ordinary and bivariate least squares. PubMed: Volatile emissions from an epiphytic fungus are semiochemicals for eusocial wasps. PubMed: The effect of alcohol structures on the interaction mode with the hexameric capsule of resorcin[4]arene. PubMed: Quorum sensing activity in Ophiostoma ulmi: effects of fusel oils and branched chain amino acids on yeast-mycelial dimorphism. PubMed: Sequencing and characterizing odorant receptors of the cerambycid beetle Megacyllene caryae. PubMed: A novel synthetic odorant blend for trapping of malaria and other African mosquito species. PubMed: Optimization of fermentation conditions for production of the jabuticaba (Myrciaria cauliflora) spirit using the response surface methodology. PubMed: Production of volatile organic compounds by mycobacteria. PubMed: Branched-chain higher alcohols. PubMed: Current knowledge on isobutanol production with Escherichia coli, Bacillus subtilis and Corynebacterium glutamicum. PubMed: Development of a headspace trap HRGC/MS method for the assessment of the relevance of certain aroma compounds on the sensorial characteristics of commercial apple juice. PubMed: Engineering Bacillus subtilis for isobutanol production by heterologous Ehrlich pathway construction and the biosynthetic 2-ketoisovalerate precursor pathway overexpression. PubMed: Outlining a future for non-Saccharomyces yeasts: selection of putative spoilage wine strains to be used in association with Saccharomyces cerevisiae for grape juice fermentation. PubMed: Microbial ethanol production: experimental study and multivariate evaluation. PubMed: Time-resolved gas-phase kinetic, quantum chemical, and RRKM studies of reactions of silylene with alcohols. PubMed: Evolution, genomic analysis, and reconstruction of isobutanol tolerance in Escherichia coli. PubMed: Use of the valine biosynthetic pathway to convert glucose into isobutanol. PubMed: Relationship between changes in the total concentration of acetic acid bacteria and major volatile compounds during the acetic acid fermentation of white wine. PubMed: Analytical aspects of cyanobacterial volatile organic compounds for investigation of their production behavior. PubMed: The effect of raw material contamination with mycotoxins on the composition of alcoholic fermentation volatile by-products in raw spirits. PubMed: Identification of a pheromone regulating caste differentiation in termites. PubMed: Engineering Corynebacterium glutamicum for isobutanol production. PubMed: Influence of pre-cure freezing on the profile of volatile compounds during the processing of Iberian hams. PubMed: New syntheses of 1,7-dimethylnonyl propanoate, the western corn rootworm pheromone, in four different ways via cross metathesis, alkylation and coupling reactions. PubMed: Aromatic potential of botrytized white wine grapes: identification and quantification of new cysteine-S-conjugate flavor precursors. PubMed: Predicting the adsorption of second generation biofuels by polymeric resins with applications for in situ product recovery (ISPR). PubMed: Pentanol isomer synthesis in engineered microorganisms. PubMed: Volatile antimicrobials from Muscodor crispans, a novel endophytic fungus. PubMed: The use of headspace solid phase microextraction for the characterization of volatile compounds in olive oil matrices. PubMed: Production of 2-methyl-1-butanol in engineered Escherichia coli. PubMed: Filament formation in Saccharomyces cerevisiae--a review. PubMed: Microbial volatile organic compounds in the air of moldy and mold-free indoor environments. PubMed: Detection of fungal development in closed spaces through the determination of specific chemical targets. PubMed: Non-fermentative pathways for synthesis of branched-chain higher alcohols as biofuels. PubMed: Potential of the volatile-producing fungus Muscodor albus for control of building molds. PubMed: Genetic diversity of volatile components in Xinjiang Wild Apple (Malus sieversii). PubMed: Using generic pheromone lures to expedite identification of aggregation pheromones for the cerambycid beetles Xylotrechus nauticus, Phymatodes lecontei, and Neoclytus modestus modestus. PubMed: Development of synthetic food-related attractant for Carpophilus davidsoni and its effectiveness in the stone fruit orchards in southern Australia. PubMed: GC-MS SPME profiling of rhizobacterial volatiles reveals prospective inducers of growth promotion and induced systemic resistance in plants. PubMed: Metabolite production of yeasts on a strawberry-agar during storage at 7 degrees C in air and low oxygen atmosphere. PubMed: Production of volatile compounds by Rhizopus oligosporus during soybean and barley tempeh fermentation. PubMed: Volatile metabolite production of spoilage micro-organisms on a mixed-lettuce agar during storage at 7 degrees C in air and low oxygen atmosphere. PubMed: Ideal mixing behavior of the debye process in supercooled monohydroxy alcohols. PubMed: Dynamics of glass-forming liquids. IX. Structural versus dielectric relaxation in monohydroxy alcohols. PubMed: Dynamics of glass-forming liquids. VIII. Dielectric signature of probe rotation and bulk dynamics in branched alkanes. PubMed: Rapid identification of microbial VOCs from tobacco molds using closed-loop stripping and gas chromatography/time-of-flight mass spectrometry. PubMed: Growth and production of volatiles by Staphylococcus carnosus in dry sausages: Influence of inoculation level and ripening time. PubMed: An efficient and general route to reduced polypropionates via Zr-catalyzed asymmetric CC bond formation. PubMed: Effects of including silage in the diet on volatile compound profiles in Montasio cheese and their modification during ripening. PubMed: Higher-alcohols biorefinery: improvement of catalyst for ethanol conversion. PubMed: Volatiles in a sausage surface model-influence of Penicillium nalgiovense, Pediococcus pentosaceus, ascorbate, nitrate and temperature. PubMed: Changes in the order of elution of some organic compounds in high-resolution gas chromatography on polar columns depending on the injection method and water content in the sample. PubMed: Determination of major compounds in sweet wines by headspace solid-phase microextraction and gas chromatography. PubMed: Microbiological and fermentation characteristics of togwa, a Tanzanian fermented food. PubMed: Aroma active components in aqueous kiwi fruit essence and kiwi fruit puree by GC-MS and multidimensional GC/GC-O. PubMed: Growth and aroma production by Staphylococcus xylosus, S. carnosus and S. equorum--a comparative study in model systems. PubMed: Investigations of aroma volatile biosynthesis under anoxic conditions and in different tissues of "Redchief Delicious" apple fruit (Malus domestica Borkh.). PubMed: Volatile metabolites from actinomycetes. PubMed: Total synthesis of nafuredin, a selective NADH-fumarate reductase inhibitor. PubMed: Significance of volatile compounds produced by spoilage bacteria in vacuum-packed cold-smoked salmon (Salmo salar) analyzed by GC-MS and multivariate regression. PubMed: Effect of carbohydrate substrate on fermentation by kefir yeast supported on delignified cellulosic materials. PubMed: Trapping social wasps (Hymenoptera: Vespidae) with acetic acid and saturated short chain alcohols. PubMed: Characterisation of whiskeys using solid-phase microextraction with gas chromatography-mass spectrometry. PubMed: Volatiles from Fusarium verticillioides (Sacc.) nirenb. and their attractiveness to nitidulid beetles. PubMed: Utilization of fluorescein sodium salt for the indirect fluorimetric detection in micellar electrokinetic chromatography. PubMed: Evaluation of skin damage caused by percutaneous absorption enhancers using fractal analysis. PubMed: Gas chromatographic determination of volatile congeners in spirit drinks: interlaboratory study. PubMed: Qualitative identification of volatile metabolites from two fungi and three bacteria species cultivated on two media. PubMed: Pyruvate decarboxylase catalyzes decarboxylation of branched-chain 2-oxo acids but is not essential for fusel alcohol production by Saccharomyces cerevisiae. PubMed: Prediction of Phase Behavior in Microemulsion Systems Using Artificial Neural Networks PubMed: Identification of volatile metabolites from five fungal species cultivated on two media. 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: By-product inhibition effects on ethanolic fermentation by Saccharomyces cerevisiae. PubMed: Stereospecific reductions of 2-en-1-ols catalyzed by Clostridium kluyveri.