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Merck
CN

284467

2-Methoxyethanol

anhydrous, 99.8%

Synonym(s):

Ethylene glycol monomethyl ether, Methyl glycol

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About This Item

Linear Formula:
CH3OCH2CH2OH
CAS Number:
Molecular Weight:
76.09
UNSPSC Code:
12352112
NACRES:
NA.21
PubChem Substance ID:
EC Number:
203-713-7
Beilstein/REAXYS Number:
1731074
MDL number:
Assay:
99.8%
Grade:
anhydrous
Bp:
124-125 °C (lit.)
Vapor pressure:
6.17 mmHg ( 20 °C)
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grade

anhydrous

Quality Segment

vapor density

2.62 (vs air)

vapor pressure

6.17 mmHg ( 20 °C)

assay

99.8%

form

liquid

autoignition temp.

548 °F

expl. lim.

24.5 %

impurities

<0.005% water

evapn. residue

<0.0005%

refractive index

n20/D 1.402 (lit.)

pH

5.0-7.0 (25 °C)

bp

124-125 °C (lit.)

mp

−85 °C (lit.)

density

0.965 g/mL at 25 °C (lit.)

SMILES string

COCCO

InChI

1S/C3H8O2/c1-5-3-2-4/h4H,2-3H2,1H3

InChI key

XNWFRZJHXBZDAG-UHFFFAOYSA-N

General description

Our anhydrous solvents deliver exceptionally low water content, making them the ideal 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

Anhydrous solvents in Sure/Seal™ packaging are essential wherever water contamination would compromise experimental results. They are widely used in moisture-sensitive applications such as organic synthesis - including Grignard reactions, 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


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Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Flam. Liq. 3 - Repr. 1B - STOT RE 2 - STOT SE 1

Target Organs

Immune system, thymus

Storage Class

3 - Flammable liquids

Flash Point (°F)

104.0 °F - closed cup

Flash Point (°C)

40 °C - closed cup

PPE (personal protective equipment)

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter



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