This product is supplied unstabilized, with no inhibitor present. Always store under controlled conditions to minimize peroxide formation.
306975
tert-Butyl methyl ether
anhydrous, 99.8%
Synonym(s):
MTBE, Methyl tert-butyl ether
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| Size/SKU | Availability | Price |
|---|---|---|
100 mL | Available to ship TODAYfromMILWAUKEE | $81.70 |
1 L | Available to ship TODAYfromMILWAUKEE | $147.00 |
2 L | Available to ship TODAYfromMILWAUKEE | $222.00 |
6 x 1 L | Available to ship TODAYfromMILWAUKEE | $732.00 |
About This Item
Linear Formula:
(CH3)3COCH3
CAS Number:
Molecular Weight:
88.15
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
216-653-1
Beilstein/REAXYS Number:
1730942
MDL number:
Assay:
99.8%
Grade:
anhydrous
Bp:
55-56 °C (lit.)
Vapor pressure:
4.05 psi
$81.70
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grade
anhydrous
Quality Segment
vapor density
3.1 (vs air)
vapor pressure
4.05 psi
assay
99.8%
form
liquid
autoignition temp.
705 °F
expl. lim.
15.1 %
impurities
<0.003% water, <0.005% water (100 mL pkg)
evapn. residue
<0.0005%
refractive index
n20/D 1.369 (lit.)
bp
55-56 °C (lit.)
mp
-110 °C
density
0.74 g/mL at 25 °C (lit.)
SMILES string
COC(C)(C)C
InChI
1S/C5H12O/c1-5(2,3)6-4/h1-4H3
InChI key
BZLVMXJERCGZMT-UHFFFAOYSA-N
General description
Our canhydrous solvents deliver exceptionally low water content, making them theideal choice for moisture-sensitive laboratory applications. Packaged in the exclusive Sure/Seal™ septum bottle system, they are reliably protected against moisture ingress from first use to last drop. The innovative Sure/Seal™ closure combines an advanced plug-style liner with an airtight elastomer and crimp cap design to ensure consistent product integrity. Three unique liner materials provide optimal chemical compatibility across a broad range of solvents. Sure/Seal™ packaging is proven to maintain anhydrous conditions even after repeated punctures. With more than 70 products across all major solvent families, available in pack sizes from 100 mL to 2 L, the portfolio meets virtually every laboratory need. By choosing ready-to-use anhydrous solvents in Sure/Seal™ packaging, researchers eliminate the need for time-consuming and hazardous in-house solvent drying and distillation - saving time, reducing risk, and improving reproducibility.
Application
Anhydroussolvents in Sure/Seal™ packaging are essential wherever water contaminationwould compromise experimental results. They are widely used inmoisture-sensitive applications such as organic synthesis - including Grignardreactions, organometallic chemistry, and catalysis - as well as in peptide,oligonucleotide, and pharmaceutical synthesis.
Legal Information
Sure/Seal is a trademark of Sigma-Aldrich Co. LLC
1 of 1
This Item | |||
|---|---|---|---|
| description anhydrous, 99.8% | description suitable for HPLC, ≥99.8% | description ACS reagent, ≥99.0% | description reagent grade, 98% |
| grade anhydrous | grade HPLC grade | grade ACS reagent | grade reagent grade |
| assay 99.8% | assay ≥99.8% | assay ≥99.0% | assay 98% |
| Quality Level 100 | Quality Level 100 | Quality Level 200 | Quality Level 100 |
| form liquid | form liquid | form liquid | form liquid |
| bp 55-56 °C (lit.) | bp 55-56 °C (lit.) | bp 55-56 °C (lit.) | bp 55-56 °C (lit.) |
| vapor pressure 4.05 psi | vapor pressure 4.05 psi | vapor pressure 4.05 psi | vapor pressure 4.05 psi ( 20 °C) |
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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
ppe
Eyeshields, Faceshields, Gloves
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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.pdfHelpful?
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How is shipping temperature determined? And how is it related to the product storage temperature?
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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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How is the dehydration process for this product? Is it through molecular sieves or by using sodium?
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Molecular sieves are employed to dehydrate the product.
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