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743925

Sigma-Aldrich

Dimethyl ether

≥99.9%

Synonym(s):

Methyl ether

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About This Item

Linear Formula:
(CH3)2O
CAS Number:
Molecular Weight:
46.07
Beilstein:
1730743
EC Number:
MDL number:
UNSPSC Code:
12142100
PubChem Substance ID:
NACRES:
NA.22

vapor density

1.62 (vs air)

vapor pressure

>760 mmHg ( 25 °C)

Assay

≥99.9%

form

gas

autoignition temp.

662 °F

expl. lim.

27 %

bp

−24.8 °C (lit.)

mp

−141 °C (lit.)

SMILES string

COC

InChI

1S/C2H6O/c1-3-2/h1-2H3

InChI key

LCGLNKUTAGEVQW-UHFFFAOYSA-N

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Packaging

500ml high pressure aluminum cylinder equipped with a stainless steel valve according to DIN 477-1.

Other Notes

For 743925-290G-EU and 743925-290G packaging: 500 mL of aluminium cylinder equipped with brass valve.

Recommended products

For 743925-290G-EU and 743925-290G: outlet fitting: DIN 477-1 no. 1, Z742160 or Z742161 are the recommended regulators.

Pictograms

FlameGas cylinder

Signal Word

Danger

Hazard Statements

Precautionary Statements

Hazard Classifications

Flam. Gas 1A - Press. Gas Liquefied gas

Storage Class Code

2A - Gases

WGK

WGK 1

Flash Point(F)

-41.8 °F - closed cup

Flash Point(C)

-41 °C - closed cup


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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