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Merck
CN

MX0826

Supelco

tert-Butyl methyl ether

OmniSolv®

Synonym(s):

Methyl-t-Butyl Ether, tert-Butyl Methyl Ether,MTBE, MTBE

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About This Item

Linear Formula:
CH3OC(CH3)3
CAS Number:
1634-04-4
MDL number:
MFCD00008812
UNSPSC Code:
12352112
EC Index Number:
216-653-1
Assay:
≥99.5% (GC)
Technique(s):
HPLC: suitable
LC/MS: suitable
gas chromatography (GC): suitable
Application(s):
PFAS testing
Bp:
55.3 °C/1013 hPa
Vapor pressure:
268 hPa ( 20 °C)

Key Documents

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Product Name

tert-Butyl methyl ether, OmniSolv®

vapor pressure

268 hPa ( 20 °C)

Quality Level

100

product line

OmniSolv®

Assay

≥99.5% (GC)

form

liquid

technique(s)

HPLC: suitable
LC/MS: suitable
gas chromatography (GC): suitable

impurities

≤0.05% Water (H2O)
≤1 ppm Peroxide (as H2O2)
≤5 ng/L Capillary ECD responsive substances (as PCNB)

evapn. residue

≤1 ppm

color

APHA: ≤10

bp

55.3 °C/1013 hPa

mp

-108.6 °C

transition temp

flash point -28 °C

solubility

42 g/L

density

~0.74 g/cm3 at 20 °C

UV absorption

λ: 210 nm Amax: ≤0.75
λ: 220 nm Amax: ≤0.50
λ: 225 nm Amax: ≤0.30
λ: 250 nm Amax: ≤0.10
λ: 270 nm Amax: ≤0.01
λ: 300 nm Amax: ≤0.005

application(s)

PFAS testing

shipped in

ambient

storage temp.

room temp

SMILES string

O(C(C)(C)C)C

InChI

1S/C5H12O/c1-5(2,3)6-4/h1-4H3

InChI key

BZLVMXJERCGZMT-UHFFFAOYSA-N

General description

tert-Butyl methyl ether (TBME) is known for its low boiling point and excellent solvating properties. It is widely used in laboratories and industrial applications due to its ability to dissolve a variety of organic compounds and its favorable characteristics in chemical reactions.

Application

tert-Butyl methyl ether can be used as:
  • A solvent in organic synthesis, particularly in reactions that require a non-polar medium, such as Grignard reactions and other nucleophilic substitutions.
  • An effective extraction solvent for isolating organic compounds from natural products, allowing for the recovery of essential oils, flavors, and fragrances.
  • A mobile phase in high-performance liquid chromatography (HPLC), especially in the separation of polar and non-polar compounds.
  • A chemical intermediate in the production of various specialty chemicals and pharmaceuticals, contributing to the synthesis of complex molecules.

Packaging

M-Bottle for Solvents
As a global leader in lab reagents, we are constantly looking for new ways to optimize the safety of our products. The newly developed 4L solvent bottle design features advanced sealing technology that eliminates leaks to make the handling of solvents safer and more convenient than ever before.
See all the new features here!
is packaged in 1L amber glass bottle
is packaged in 4L amber glass bottle

Preparation Note

Product filtered through a 0.2 μm filter

Analysis Note

Assay (GC)99.5% minCapillary ECD responsive substances (as PCNB)5ng/L maxColor (APHA)10 maxEvaporation residue1ppm maxFiltered through 0.2 µm filterTo pass testFluorescence (as quinine base)500ppt maxFormClear liquidInfrared SpectrumConforms to standardPeroxide (as H2O2)1ppm maxTitrable acidµeq/gUV Abs. at 210 nm0.75AU maxUV Abs. at 220 nm0.50AU maxUV Abs. at 225 nm0.30AU maxUV Abs. at 250 nm0.10AU maxUV Abs. at 270 nm0.01AU maxUV Abs. at 300 nm0.005AU maxWater (H2O)0.05% max

Legal Information

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

Pictograms

FlameExclamation mark
GHS02,GHS07

Signal Word

Danger

Hazard Statements

H225,H315

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class Code

3 - Flammable liquids

WGK

WGK 1

Flash Point(F)

-18.4 °F - closed cup

Flash Point(C)

-28 °C - closed cup

Regulatory Information

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Certificates of Analysis (COA)

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