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809950

Sigma-Aldrich

Ethylene carbonate

battery grade, ≥99%, acid <10 ppm, H2O <10 ppm

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Synonym(s):
EC, 1,3-Dioxolan-2-one
Empirical Formula (Hill Notation):
C3H4O3
CAS Number:
Molecular Weight:
88.06
Beilstein/REAXYS Number:
106249
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

grade

battery grade

Quality Level

vapor density

3.04 (vs air)

vapor pressure

0.02 mmHg ( 36.4 °C)

assay

≥99%

form

solid

impurities

≤10 ppm H2O
≤10 ppm acid

bp

243-244 °C/740 mmHg (lit.)

mp

35-38 °C (lit.)
36 °C (exp.)

density

1.321 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

O=C1OCCO1

InChI

1S/C3H4O3/c4-3-5-1-2-6-3/h1-2H2

InChI key

KMTRUDSVKNLOMY-UHFFFAOYSA-N

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1 of 4

This Item
01380E26258809934
vibrant-m

809950

Ethylene carbonate

vibrant-m

01380

Ethylene carbonate

vibrant-m

E26258

Ethylene carbonate

vibrant-m

809934

Ethyl methyl carbonate

application(s)

battery manufacturing

application(s)

cleaning products
cosmetics
flavors and fragrances
food and beverages
personal care
pharmaceutical

application(s)

-

application(s)

battery manufacturing

Quality Level

100

Quality Level

300

Quality Level

200

Quality Level

200

grade

battery grade

grade

Standard for quantitative NMR, TraceCERT®

grade

-

grade

battery grade

mp

35-38 °C (lit.), 36 °C (exp.)

mp

35-38 °C (lit.)

mp

35-38 °C (lit.)

mp

-55 °C

bp

243-244 °C/740 mmHg (lit.)

bp

243-244 °C/740 mmHg (lit.)

bp

243-244 °C/740 mmHg (lit.)

bp

101 °C

General description

Anhydrous ethylene carbonate is a cyclic ester and chemically related to ethylene glycol and dimethyl carbonate. It is a highly polar solvent and is a good solvent for many organic and inorganic compounds; however, at room temperature (25 °C) ethylene carbonate is a transparent crystalline solid, practically odorless and colorless, and somewhat soluble in water. In the liquid state (m.p. 35-37 °C) ethylene carbonate is a colorless, odorless liquid with a high boiling point (243 °C). Anhydrous ethylene carbonate is a solvent that is commonly used in the production of batteries, particularly lithium-ion batteries, and as a solvent in the pharmaceutical and chemical industries, in part because of its very high dielectric constant. Because of its high melting point and moderate viscosity, ethylene carbonate is often blended with other carbonates to yield a solution at room temperature with lower viscosity.

Application

Alkyl carbonates find applications as solvents for lithium ion battery electrolytes and the use of high quality battery grade electrolytes having extremely low water (<10 ppm) and acid (<10 ppm) contents are critical for achieving high electrochemical performance.

Caution

These additives have low water content (less than 100 ppm). Please handle under inert and moisture free environment (glove box). Keep containers tightly closed. Keep away from heat and ignition sources. Store in a cool and dry place. Avoid storing together with oxidizers.

Legal Information

Product of MU Ionic Solutions Corp

pictograms

Exclamation markHealth hazard

signalword

Warning

Hazard Classifications

Acute Tox. 4 Oral - Eye Irrit. 2 - STOT RE 2 Oral

target_organs

Kidney

Storage Class

11 - Combustible Solids

wgk_germany

WGK 1

flash_point_f

289.4 °F - closed cup

flash_point_c

143 °C - closed cup


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