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650560

tert-Butyl methyl ether

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

Synonym(s):

MTBE, Methyl tert-butyl ether

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1 L

Available to ship TODAYfromMILWAUKEE

$166.00
4 L

Available to ship TODAYfromMILWAUKEE

$467.00
6 x 1 L

Available to ship TODAYfromMILWAUKEE

$827.00
4 x 4 L

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$1,510.00

About This Item

Linear Formula:
(CH3)3COCH3
CAS Number:
Molecular Weight:
88.15
UNSPSC Code:
12190000
NACRES:
NA.07
PubChem Substance ID:
EC Number:
216-653-1
Beilstein/REAXYS Number:
1730942
MDL number:
Assay:
99.9%
Grade:
HPLC Plus
Technique(s):
HPLC: suitable, gas chromatography (GC): suitable
Bp:
55-56 °C (lit.)
Vapor pressure:
4.05 psi

$166.00


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grade

HPLC Plus

Quality Segment

vapor density

3.1 (vs air)

vapor pressure

4.05 psi

assay

99.9%

form

liquid

autoignition temp.

705 °F

expl. lim.

15.1 %

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

impurities

≤0.02% water, <1.0 ppb Fluorescence (quinine) at 365 nm

evapn. residue

≤0.0001%

halogenated residue

≤10 ng/L (as heptachlor epoxide)

refractive index

n20/D 1.369 (lit.)

bp

55-56 °C (lit.)

mp

-110 °C

density

0.74 g/mL at 25 °C (lit.)

λ

H2O reference

UV absorption

λ: 210 nm Amax: 1.0, λ: 225 nm Amax: 0.50, λ: 250 nm Amax: 0.10, λ: 300-400 nm Amax: 0.005

suitability

suitable for residue analysis

application(s)

PFAS testing
food and beverages

SMILES string

COC(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 is a gasoline additive. Its oxidative degradation by propane-oxidizing bacterial strains has been tested. Kinetics of its heat-assisted persulfate oxidation has been investigated at various pH, temperature, oxidant concentration and ionic strength levels. Its biodegradation followed a pseudo-first-order decay model and its pseudo-first-order rate constants were evaluated. MTBE can be synthesized by acid catalyzed reaction between methanol and isobutene. A study suggests that the addition of MTBE increases the number of active sites during polymerization of propene by stopped-flow method.

Application

Suitable for HPLC, spectrophotometry, environmental testing

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!

Other Notes

Discover LiChropur reagents ideal for HPLC or LC-MS analysis
Pure-Pac® II containers require the Micromatic MacroValve coupler for dispensing solvents, Z560723.

Legal Information

Pure-Pac is a registered trademark of Merck KGaA, Darmstadt, Germany

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description

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

description

HPLC Plus, for HPLC, GC, and residue analysis, 99.9%

description

suitable for HPLC, ≥99.8%

description

ACS reagent, ≥99.0%

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

200

grade

HPLC Plus

grade

HPLC Plus

grade

HPLC grade

grade

ACS reagent

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable, gas chromatography (GC): suitable

technique(s)

HPLC: suitable

technique(s)

-

assay

99.9%

assay

99.9%

assay

≥99.8%

assay

≥99.0%

application(s)

PFAS testing
food and beverages

application(s)

food and beverages

application(s)

food and beverages

application(s)

microbiology

form

liquid

form

liquid

form

liquid

form

liquid


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pictograms

FlameExclamation mark

signalword

Danger

hcodes

Hazard Classifications

Flam. Liq. 2 - Skin Irrit. 2

Storage Class

3 - Flammable liquids

flash_point_f

-18.4 °F - closed cup

flash_point_c

-28 °C - closed cup



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Questions

1–2 of 2 Questions  
  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/418/501/product-dating-information-06-25-mk.pdf

      Helpful?

  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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