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294810

Sigma-Aldrich

2-Butanol

anhydrous, 99.5%

Synonym(s):

sec-Butyl alcohol

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About This Item

Linear Formula:
CH3CH2CH(OH)CH3
CAS Number:
78-92-2
Molecular Weight:
74.12
Beilstein:
773649
EC Number:
201-158-5
MDL number:
MFCD00004569
UNSPSC Code:
12352001
PubChem Substance ID:
57648374
NACRES:
NA.21
grade:
anhydrous
Assay:
99.5%
bp:
98 °C (lit.)
vapor pressure:
12.5 mmHg ( 20 °C)
Pricing and availability is not currently available.

grade

anhydrous

Quality Level

100

vapor density

2.6 (vs air)

vapor pressure

12.5 mmHg ( 20 °C)

Assay

99.5%

form

liquid

autoignition temp.

761 °F

expl. lim.

9.8 %

impurities

<0.005% water

evapn. residue

<0.0003%

refractive index

n20/D 1.397 (lit.)

bp

98 °C (lit.)

mp

−115 °C (lit.)

density

0.808 g/mL at 25 °C (lit.)

SMILES string

CCC(C)O

InChI

1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3

InChI key

BTANRVKWQNVYAZ-UHFFFAOYSA-N

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Application

2-Butanol may be used in butyl lithium tritation to check its molarity using 1,10-phenanthroline as indicator.[1]

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Warning

Hazard Statements

H226,H319,H335,H336

Hazard Classifications

Eye Irrit. 2 - Flam. Liq. 3 - STOT SE 3

Target Organs

Central nervous system, Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

80.6 °F - closed cup

Flash Point(C)

27 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
SHBS3421
SHBS3838
SHBR5958
SHBR5812
0000242958

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Jiafeng Lu et al.
Oncology letters, 10(6), 3457-3465 (2016-01-21)
The aim of the present study was to obtain comprehensive microRNA (miRNA) profiles of type I [Ishikawa (ISK)] and type II (HEC-1B) human endometrial adenocarcinoma cell lines, utilizing the latest high-throughput sequencing techniques. RNA was extracted from ISK and HEC-1B
1-Phenyl-2,3,4,5-tetramethylphosphole
Fagan PJ and Nugent WA
Organic Syntheses, 70, 272-272 (1992)
Selective Ruthenium-Catalyzed Transfer Hydrogenations of Nitriles to Amines with 2-Butanol.
Cai J, et al.
Combustion and Flame, 160(10), 1939-1957 (2013)
Genesis of Br?nsted acid sites during dehydration of 2-butanol on tungsten oxide catalysts.
Baertsch CD, et al.
J. Catal., 205(1), 44-57 (2002)
The microcatalytic technique applied to a zero order reaction: the dehydration of 2-butanol over hydroxyapatite catalysts.
Bett JAS and Hall WK.
J. Catal., 10(2), 105-113 (1968)
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Questions

1–2 of 2 Questions  

  1. 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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  2. 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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