Diethyl ether (data page) Totally Explained

Everything about Diethyl Ether Data Page totally explained

This page provides supplementary chemical data on diethyl ether.

Material Safety Data Sheet

The handling of this chemical may incur notable safety precautions. It is highly recommend that you seek the Material Safety Datasheet (MSDS) for this chemical from a reliable source such as SIRI

, and follow its directions. MSDS for diethyl ether is available at Mallinckrodt Baker

Structure and properties

Structure and properties
Index of refraction, n_D	1.3497 at 24.8°C
Abbe number	?
Dielectric constant, ε_r	4.34 ε₀ at 20 °C 8.1 ε₀ at –64°C 10.4 ε₀ at –116°C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	?
Surface tension	17.0 dyn/cm at 20°C
Viscosity	0.2950 mP·s at 0°C 0.2681 mP·s at 10°C 0.2448 mP·s at 20°C 0.2230 mP·s at 30°C

Thermodynamic properties

Phase behavior
Triple point	156.92 K (–116.23 °C), ? Pa
Critical point	467 K (194 °C), 3600 kPa
Std enthalpy change of fusion, Δ_fusH^o	7.19 kJ/mol
Std entropy change of fusion, Δ_fusS^o	46.6 J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	27.530 kJ/mol at 11.85°C 27.247 kJ/mol at 22.48°C
Std entropy change of vaporization, Δ_vapS^o	96.60 J/(mol·K) at 12°
Solid properties
Std enthalpy change of formation, Δ_fH^o_solid	? kJ/mol
Standard molar entropy, S^o_solid	? J/(mol K)
Heat capacity, c_p	? J/(mol K)
Liquid properties
Std enthalpy change of formation, Δ_fH^o_liquid	–271.2 kJ/mol
Standard molar entropy, S^o_liquid	253.5 J/(mol K)
Enthalpy of combustion, Δ_cH^o	–2726.3 kJ/mol
Heat capacity, c_p	172.0 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	–252.7 kJ/mol
Standard molar entropy, S^o_gas	342.2 J/(mol K)
Heat capacity, c_p	119.46 J/(mol K) at 25°C
van der Waals' constants	a = 1761 L² kPa/mol² b = 0.1344 liter per mole

Vapor pressure of liquid

P in mm Hg	1	10	40	100	400	760	1520	3800	7600	15200	30400	45600
T in °C	–74.3	–48.1	–27.7	–11.5	17.9	34.6	56.0	90.0	122.0	156.0	—	—

Table data obtained from CRC Handbook of Chemistry and Physics 44th ed.

Distillation data

BP Temp. °C	% by mole ether
Vapor-liquid Equilibrium for Diethyl Ether/Methanol P = 700 mmHg
BP Temp. °C	liquid	vapor
55.98	3.90	25.16
51.78	7.32	38.58
50.00	9.24	43.84
48.95	10.84	47.73
46.20	14.02	54.04
45.70	14.81	55.30
42.25	21.30	63.51
41.65	21.74	64.43
41.15	23.83	65.74
39.90	33.87	72.47
39.45	29.24	69.58
38.40	33.17	71.72
33.40	60.85	83.07
32.90	77.07	86.59
32.48	82.84	88.57
32.02	97.70	97.66
30.50	95.02	94.58

Spectral data

UV-Vis
λ_max	? nm
Extinction coefficient, ε	?
IR
Major absorption bands	? cm⁻¹
NMR
Proton NMR
Carbon-13 NMR
Other NMR data
MS
Masses of main fragments

Further Information

Get more info on 'Diethyl Ether Data Page'.

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