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Sigma-Aldrich

2-Methyl-2-butanol

ReagentPlus®, 99%

Synonym(s):

tert-Amyl alcohol, tert-Pentyl alcohol

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About This Item

Linear Formula:
CH3CH2C(CH3)2OH
CAS Number:
75-85-4
Molecular Weight:
88.15
Beilstein:
1361351
EC Number:
200-908-9
MDL number:
MFCD00004478
UNSPSC Code:
12352100
PubChem Substance ID:
24849231
NACRES:
NA.21
Assay:
99%
bp:
102 °C (lit.)
vapor pressure:
12 mmHg ( 20 °C)
Pricing and availability is not currently available.

vapor density

3 (vs air)

Quality Level

200

vapor pressure

12 mmHg ( 20 °C)

product line

ReagentPlus®

Assay

99%

form

liquid

autoignition temp.

819 °F

expl. lim.

9 %

refractive index

n20/D 1.405 (lit.)

pH

6.0 (20 °C, 118 g/L)

bp

102 °C (lit.)

mp

−12 °C (lit.)

density

0.805 g/mL at 25 °C (lit.)

SMILES string

CCC(C)(C)O

InChI

1S/C5H12O/c1-4-5(2,3)6/h6H,4H2,1-3H3

InChI key

MSXVEPNJUHWQHW-UHFFFAOYSA-N

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General description

2-Methyl-2-butanol is an isomeric form of pentanol. Various physical properties (static dielectric constant, viscosity, density, ultrasonic and dielectric relaxation) of 2-methyl-2-butanol have been evaluated over a wide range of temperatures.[1] Its ability as solvent in the extraction of furfural from aqueous solutions has been tested.[2] Kinetic parameters of the three-phase reaction of MBY with hydrogen catalyzed by a commercial palladium-based catalyst in the absence of solvent have been described.[3]

Application

2-Methyl-2-butanol (tert-amyl alcohol, t-AmylOH, MBY) has been used as solvent for the dissolution of avertin [2,2,2-tribromoethanol),[4] which was employed as an anesthetic in immunohistochemical study.[5] It has been used in the preparation of (E)-2-(2-(3-ethoxy-3-oxoprop-1-enyl)-6-fluorophenyl)acetic acid.[6]

Legal Information

ReagentPlus is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Eye Dam. 1 - Flam. Liq. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

68.9 °F - closed cup

Flash Point(C)

20.5 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
STBL4175
STBL1605
STBL2032
STBK8920
STBK7172

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Ternary and Binary LLE Measurements for Solvent (4-Methyl-2-pentanone and 2-Methyl-2-butanol)+ Furfural+ Water between 298 and 401K.
Ma?nnisto? M, et al.
Journal of Chemical and Engineering Data, 61(2), 903-911 (2016)
Molecular association and dynamics in n-pentanol and 2-methyl-2-butanol: Ultrasonic, dielectric and viscosity studies at various temperatures.
D'Aprano A, et al.
Molecular Physics, 55(2), 475-488 (1985)
Surya Pandey et al.
Nature protocols, 15(4), 1459-1483 (2020-02-23)
The immune system operates at the scale of the whole organism in mammals. We currently lack experimental approaches to systematically track and study organism-wide molecular processes in mice. Here we describe an integrated toolkit for measuring gene expression in whole
General kinetic modeling of the selective hydrogenation of 2-methyl-3-butyn-2-ol over a commercial palladium-based catalyst.
Vernuccio S, et al.
Industrial & Engineering Chemistry Research, 54(46), 11543-11551 (2015)
Ligand--Accelerated ortho--C-H Olefination of Phenylacetic Acids.
Engle KM, et al.
Organic Syntheses, 92, 58-75 (2015)
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Questions

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  1. How can I determine the shelf life / expiration / retest date of this product?

    1 answer

    1. If this product has an expiration or retest date, it will be shown on the Certificate of Analysis (COA, CofA). If there is no retest or expiration date listed on the product's COA, we do not have suitable stability data to determine a shelf life. For these products, the only date on the COA will be the release date; a retest, expiration, or use-by-date will not be displayed.
      For all products, we recommend handling per defined conditions as printed in our product literature and website product descriptions. We recommend that products should be routinely inspected by customers to ensure they perform as expected.
      For products without retest or expiration dates, our standard warranty of 1 year from the date of shipment is applicable.
      For more information, please refer to the Product Dating Information document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/449/386/product-dating-information-mk.pdf

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  2. How is shipping temperature determined? And how is it related to the product storage temperature?

    1 answer

    1. Products may be shipped at a different temperature than the recommended long-term storage temperature. If the product quality is sensitive to short-term exposure to conditions other than the recommended long-term storage, it will be shipped on wet or dry-ice. If the product quality is NOT affected by short-term exposure to conditions other than the recommended long-term storage, it will be shipped at ambient temperature. As shipping routes are configured for minimum transit times, shipping at ambient temperature helps control shipping costs for our customers. For more information, please refer to the Storage and Transport Conditions document: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/marketing/global/documents/316/622/storage-transport-conditions-mk.pdf

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