Provenance

Reference data from EU CLP Annex VI and published regulations — verify against your supplier's SDS before use.

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Substance profile

1,2-diethoxyethane

1,2-diethoxyethane is a colorless liquid with a sweetish odor.

CAS 629-14-1 C6H14O2 118.17 g/mol Danger

01 · Identification

What 1,2-diethoxyethane is

1,2-diethoxyethane is a colorless liquid with a sweetish odor. Its molecular formula is C6H14O2 and its molecular weight is 118.17 g/mol. It boils at 121 °C, melts at -74 °C.

Under the GHS it carries the signal word Danger. It is classed as flammable agents - 3rd degree.

CAS number629-14-1
EC number211-076-1
Index number603-208-00-5
Molecular formulaC6H14O2
Molecular weight118.17 g/mol
Chemical class Flammable agents - 3rd degree

02 · GHS classification

Hazards and label elements

Harmonised classification under CLP Annex VI. This is the legally binding classification in the EU; other jurisdictions may differ.

Signal wordDanger
Hazard statements assigned to 1,2-diethoxyethane
CodeHazard statement
H225 Highly flammable liquid and vapour.
H360Df May damage the unborn child. Suspected of damaging fertility.
H319 Causes serious eye irritation.

Supplemental EU statements: EUH019

Precautionary statements: P210, P233, P241, P242, P264, P280, P305, P313, P337, P338, P403

03 · Physical and chemical properties

1,2-diethoxyethane properties

Every value is shown with the conditions it was measured under and the source it came from. Where sources disagree, all values are listed rather than one being picked — the difference is usually a different form of the substance, not an error.

Property Value Conditions Source
Boiling point 121.4 °C (250.5 °F) HSDB
121.39 °C (250.5 °F) at 760 mmHg CAMEO
Melting point -74 °C (-101.2 °F) HSDB
-73.89 °C (-101 °F) CAMEO
Density 0.8484 g/cm³ at 20 °C HSDB
0.8388 g/cm³ at 20 °C HSDB
Solubility SOLUBILITY IN WATER 2%; SOL IN OILS HSDB
Very soluble in acetone, benzene, ethyl ether, ethanol HSDB
In water, 8.37X10+4 mg/L at 25 °C at 25 °C HSDB
Vapor pressure 9.0007 mmHg at 20 °C ICSC
3.37 mmHg at 25 °C HSDB
20 mmHg at 14.72 °C CAMEO
Flash point 35 °C (95 °F) OPEN CUP HSDB
35 °C (95 °F) CAMEO
Autoignition temperature 207.78 °C (406 °F) HSDB
208 °C (406.4 °F) ICSC
Vapor density 4.07 (air = 1) HSDB
4.1 (air = 1) CAMEO

Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.

04 · Handling and storage

Storing and handling 1,2-diethoxyethane

Incompatible materials

Forms explosive mixture with air. Strong oxidizers may cause fire and explosions. Attacks some plastics, rubber and coatings. Able to form peroxides. Also incompatible with strong acids, aluminum and its alloys.

Source: Hazardous Substances Data Bank (HSDB)

Reactivity

ETHYLENE GLYCOL DIETHYL ETHER can react with oxidizers. It is incompatible with strong acids. (NTP, 1992)

Source: CAMEO Chemicals

Planning storage for a mix of chemicals? Check 1,2-diethoxyethane in the storage compatibility matrix →

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