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Merck
CN

237698

(S)-(+)-2-Butanol

99%

Synonym(s):

(S)-(+)-sec-Butyl alcohol

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About This Item

Linear Formula:
C2H5CH(OH)CH3
CAS Number:
4221-99-2
Molecular Weight:
74.12
Beilstein:
1718763
EC Number:
224-168-1
MDL number:
MFCD00064281
UNSPSC Code:
12352001
PubChem Substance ID:
24854264
NACRES:
NA.22

Key Documents

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vapor density

2.6 (vs air)

Quality Level

100

vapor pressure

12.5 mmHg ( 20 °C)

Assay

99%

form

liquid

optical activity

[α]20/D +13°, neat

autoignition temp.

761 °F

expl. lim.

9.8 %

refractive index

n20/D 1.397 (lit.)

bp

99-100 °C (lit.)

density

0.803 g/mL at 25 °C (lit.)

functional group

hydroxyl

SMILES string

CC[C@H](C)O

InChI

1S/C4H10O/c1-3-4(2)5/h4-5H,3H2,1-2H3/t4-/m0/s1

InChI key

BTANRVKWQNVYAZ-BYPYZUCNSA-N

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Application

(S)-(+)-2-Butanol can be used:
  • To synthesize chiral asymmetric perylene diimides (PDI) that spontaneously self-assemble into one-handed nanotubes that are photoconductive or fluorescent in nature.
  • To synthesize bulky chiral vinyl monomers that can be radically polymerized to helical polymers with an excess screw sense.
  • As chiral solvent to study excited state photo transfer of the photoacid, 5,8-dicyano-2-naphthol (DCN2) in chiral environment.

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)

75.2 °F - closed cup

Flash Point(C)

24 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品
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Certificates of Analysis (COA)

Lot/Batch Number
SHBL1428
SHBK3490
SHBH2489V
SHBG9170V
SHBB6867V

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Highly fluorescent one-handed nanotubes assembled from a chiral asymmetric perylene diimide.
Ma X , et al.
Chemical Communications (Cambridge, England), 51(20), 4231-4233 (2015)
Excited-state proton transfer in chiral environments. 1. Chiral solvents.
Solntsev KM, et al.
Journal of the American Chemical Society, 124(31), 9046-9047 (2002)
Synthesis and characterization of optically active helical vinyl polymers via free radical polymerization.
Zhi J, et al.
Journal of Polymer Science Part A: Polymer Chemistry, 47(9), 2408-2421 (2009)
Stepwise Formation of Photoconductive Nanotubes through a New Top?Down Method.
Ma X , et al.
Advanced Materials, 27(47), 7746-7751 (2015)
Ravi K Pathak et al.
Environmental science & technology, 46(21), 11660-11669 (2012-09-19)
Limonene has a strong tendency to form secondary organic aerosol (SOA) in the atmosphere and in indoor environments. Initial oxidation occurs mainly via ozone or OH radical chemistry. We studied the effect of O(3) concentrations with or without a OH
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