Substance profile
1,1-diethoxyethane
1,1-diethoxyethane is a colorless liquid with a pungent, green, woody solvent odor.
01 · Identification
What 1,1-diethoxyethane is
1,1-diethoxyethane is a colorless liquid with a pungent, green, woody solvent odor. Its molecular formula is C6H14O2 and its molecular weight is 118.17 g/mol. It boils at 103 °C, melts at -100 °C.
Under the GHS it carries the signal word Danger. It is classed as flammable agents - 3rd degree.
Other names for 1,1-diethoxyethane
- acetal
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.
| Code | Hazard statement |
|---|---|
| H225 | Highly flammable liquid and vapour. |
| H315 | Causes skin irritation. |
| H319 | Causes serious eye irritation. |
Precautionary statements: P210, P233, P241, P242, P264, P280, P302, P305, P313, P332, P337, P338, P352, P403
03 · Physical and chemical properties
1,1-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 | 102.7 °C (216.9 °F) | at 760 mmHg | HSDB |
| 102.22 °C (216 °F) | at 760 mmHg | CAMEO | |
| 103 °C (217.4 °F) | ICSC | ||
| Melting point | -100 °C (-148 °F) | HSDB | |
| Density | 0.83 g/cm³ | ICSC | |
| 0.8254 g/cm³ | at 20 °C | HSDB | |
| 0.831 g/cm³ | at 20 °C | CAMEO | |
| Solubility | SOL IN CHLOROFORM | HSDB | |
| sol in acetone | HSDB | ||
| Vapor pressure | 56.87 mmHg | CAMEO | |
| 20.2517 mmHg | at 20 °C | ICSC | |
| 27.6 mmHg | at 25 °C, from experimentally derived coefficients | HSDB | |
| Flash point | -20.56 °C (-5 °F) | HSDB | |
| -21 °C (-5.8 °F) | ICSC | ||
| Autoignition temperature | 230 °C (446 °F) | HSDB | |
| Lower explosive limit (LEL) | 1.6 % by volume | HSDB | |
| 1.65 % by volume | CAMEO | ||
| Upper explosive limit (UEL) | 10.4 % by volume | HSDB | |
| Vapor density | 4.08 (air = 1) | HSDB | |
| 4.1 (air = 1) | ICSC |
Values compiled from PubChem Laboratory Chemical Safety Summary. Temperatures converted to Fahrenheit for reference.
04 · Source notes
Further notes on 1,1-diethoxyethane
These are descriptions rather than measured values, so they are kept out of the table above and quoted here with the source that reported them.
Solubility
MISCIBLE WITH ALCOHOL, 60% ALCOHOL, ETHER; SOL IN HEPTANE, METHYLCYCLOHEXANE, ETHYL ACETATE; PROPYL, ISOPROPYL, BUTYL & ISOBUTYL ALCOHOLS; 100 G WATER DISSOLVE 5 G ACETAL
Source: HSDB
05 · Handling and storage
Storing and handling 1,1-diethoxyethane
Incompatible materials
...CAN REACT VIGOROUSLY WITH OXIDIZING MATERIALS.
Source: Hazardous Substances Data Bank (HSDB)
Reactivity
ACETAL can react vigorously with oxidizing agents. Stable in base but readily decomposed by dilute acids. Forms heat-sensitive explosive peroxides on contact with air. Old samples have been known to explode when heated due to peroxide formation [Sax, 9th ed., 1996, p. 5].
Source: CAMEO Chemicals
Planning storage for a mix of chemicals? Check 1,1-diethoxyethane in the storage compatibility matrix →