W503908

Sigma-Aldrich

2-Methyl-3-buten-2-ol

≥98%

Synonym(s):
1,1-Dimethylallyl alcohol, 3-Hydroxy-3-methyl-1-butene
Linear Formula:
CH2=CHC(CH3)2OH
CAS Number:
Molecular Weight:
86.13
Beilstein/REAXYS Number:
1698263
EC Number:
Council of Europe no.:
4162
MDL number:
PubChem Substance ID:
Flavis number:
2.123
NACRES:
NA.21

Quality Level

biological source

synthetic

grade

Kosher

vapor pressure

51 mmHg ( 25 °C)

assay

≥98%

refractive index

n20/D 1.416 (lit.)

bp

98-99 °C (lit.)

density

0.824 g/mL at 25 °C (lit.)

Documentation

see Safety & Documentation for available documents

Featured Industry

Flavors and Fragrances

Organoleptic

oily; earthy; herbaceous

food allergen

no known allergens

SMILES string

CC(C)(O)C=C

InChI

1S/C5H10O/c1-4-5(2,3)6/h4,6H,1H2,2-3H3

InChI key

HNVRRHSXBLFLIG-UHFFFAOYSA-N

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Related Categories

General description

2-Methyl-3-buten-2-ol is the predominant oxygenated volatile organic compound (OVOC) produced by the pine species such as ponderosa pine. It makes a significant contribution to the reactive carbon in the atmosphere of forests dominated by pine species.

Packaging

4, 8 kg in steel drum
1 kg in glass bottle

Other Notes

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Pictograms

FlameExclamation mark

Signal Word

Danger

Hazard Statements

Personal Protective Equipment

dust mask type N95 (US),Eyeshields,Gloves

RIDADR

UN 1987BE 3 / PGII

WGK Germany

WGK 1

Flash Point(F)

51.8 °F - closed cup

Flash Point(C)

11 °C - closed cup

Canopy fluxes of 2?methyl?3?buten?2?ol over a ponderosa pine forest by relaxed eddy accumulation: Field data and model comparison.
Baker B, et al.
Journal of Geophysical Research: Atmospheres, 104(D21), 26107-26114 (1999)
Emission of 2?methyl?3?buten?2?ol by pines: A potentially large natural source of reactive carbon to the atmosphere.
Harley P, et al.
Journal of Geophysical Research: Atmospheres, 103(D19), 25479-25486 (1998)
R Hänsel et al.
Zeitschrift fur Naturforschung. Section C, Biosciences, 35(11-12), 1096-1097 (1980-11-01)
Hops are told to promote sleep; manyfold efforts to detect the soporific principle have been unsuccessful so far. Preliminary pharmacological tests lead to the conclusion that the soporific activity of the exhalation of hops can be explained by its content...
Reggie Spaulding et al.
Journal of the American Society for Mass Spectrometry, 13(5), 530-542 (2002-05-22)
In the western United States, in areas where emissions of the biogenic hydrocarbon, 2-methyl-3-buten-2-ol (MBO) are high, MBO contributes significantly to the oxidative capacity of the atmosphere. Hydroxyl radical oxidation of MBO can play an important role in forming tropospheric...
Todd N Rosenstiel et al.
Plant physiology, 129(3), 1276-1284 (2002-07-13)
The biosynthesis and emission of volatile plant terpenoids, such as isoprene and methylbutenol (MBO), depend on the chloroplastic production of dimethylallyl diphosphate (DMAPP). To date, it has been difficult to study the relationship of cellular DMAPP levels to emission of...

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