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424463

Sigma-Aldrich

sec-Butyl methyl ether

99%

Synonym(s):

(±)-2-Methoxybutane, (±)-Methyl 2-butyl ether, 2-Butyl methyl ether, Methyl 1-methylpropyl ether, Methyl sec-butyl ether

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About This Item

Linear Formula:
C2H5CH(CH3)OCH3
CAS Number:
6795-87-5
Molecular Weight:
88.15
MDL number:
MFCD00190205
UNSPSC Code:
12352100
PubChem Substance ID:
24866569
NACRES:
NA.22

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Quality Level

100

assay

99%

form

liquid

refractive index

n20/D 1.372 (lit.)

bp

57 °C/760 mmHg (lit.)

density

0.742 g/mL at 25 °C (lit.)

functional group

ether

SMILES string

CCC(C)OC

InChI

1S/C5H12O/c1-4-5(2)6-3/h5H,4H2,1-3H3

InChI key

FVNIMHIOIXPIQT-UHFFFAOYSA-N

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This Item
23537717978765139
sec-Butyl methyl ether 99%

Sigma-Aldrich

424463

sec-Butyl methyl ether

Butyl methyl ether 99%

Sigma-Aldrich

235377

Butyl methyl ether

tert-Butyl methyl ether reagent grade, ≥98%

Sigma-Aldrich

179787

tert-Butyl methyl ether

Nonafluorobutyl methyl ether puriss., ≥99.0% (total assay of isomers, GC)

Sigma-Aldrich

65139

Nonafluorobutyl methyl ether

assay

99%

assay

99%

assay

≥98%

assay

≥99.0% (total assay of isomers, GC)

Quality Level

100

Quality Level

200

Quality Level

100

Quality Level

200

refractive index

n20/D 1.372 (lit.)

refractive index

n20/D 1.374 (lit.)

refractive index

n20/D 1.369 (lit.)

refractive index

n20/D 1.3 (lit.), n20/D 1.301

form

liquid

form

liquid

form

liquid

form

liquid

density

0.742 g/mL at 25 °C (lit.)

density

0.744 g/mL at 25 °C (lit.)

density

0.74 g/mL at 25 °C (lit.)

density

1.529 g/mL at 20 °C, 1.52 g/mL at 25 °C (lit.)

bp

57 °C/760 mmHg (lit.)

bp

70-71 °C (lit.)

bp

55-56 °C (lit.)

bp

60 °C (lit.)

General description

sec-Butyl methyl ether (2-methoxy butane) is an acyclic methyl ether. It is reported to be formed in trace amounts during the thermal decomposition of meso- and dl-2,3-dimethylsuccinyl peroxides.[1] sec-Butyl methyl ether is prepared by the reaction of sodium sec-butylate and methyl iodide.[2] Its boiling point has been predicted using back-propagation neural network (BP NN).[3]

pictograms

Flame
GHS02

signalword

Danger

hcodes

H225

Hazard Classifications

Flam. Liq. 2

Storage Class

3 - Flammable liquids

wgk_germany

WGK 3

flash_point_f

-22.0 °F - closed cup

flash_point_c

-30 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
MKCM8029
MKCM6048
MKCL6772
MKCL3900
MKCK7544

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Use of a neural network to determine the normal boiling points of acyclic ethers, peroxides, acetals and their sulfur analogues.
Cherqaoui D, et al.
J. Chem. Soc., Faraday, 90(14), 2015-2019 (1994)
Hydrocarbon-Carbanion Proton Exchange Reactions in Dimethyl Sulfoxide.
Brauman JI, et al.
Journal of the American Chemical Society, 89(7), 1728-1730 (1967)
Syntheses and decomposition of meso-and dl-2, 3-dimethylsuccinyl and cis-and trans-1, 2-hexahydrophthaloyl peroxides.
Dervan PB and Jones CR.
The Journal of Organic Chemistry, 44(13), 2116-2122 (1979)

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