Diethylene glycol (Ethylene glycol), C 4 H 10 O 3

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Diethylene glycol (Ethylene glycol), C₄H₁₀O₃
Categories:	Fluid; Solvent
Key Words:	C4H10O3
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Physical Properties	Original Value	Comments

Density	1.116 g/cc @Temperature 20.0 °C
Viscosity	38.406 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	106.122 g/mol
Vapor Pressure	0.00100 torr @Temperature 20.0 °C
Surface Tension	48.43 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	6.00 atm
Critical Temperature	408 °C
Critical Density	0.336 g/cc
Critical Molar Volume	316 cm³/mol

Thermal Properties	Original Value	Comments
Heat of Vaporization	539 J/g
Specific Heat Capacity	1.541 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.2057 W/m-K @Temperature 20.0 °C
Melting Point	-8.10 °C
Boiling Point	245.9 °C

Descriptive Properties
Antoine's Vapor Pressure A Parameter	17.0326
Antoine's Vapor Pressure B Parameter	4122.52
Antoine's Vapor Pressure C Parameter	-122.5
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	111-46-6
Chemical Formula	C₄H₁₀O₃
Critical Compressibility (Zc)	0.26
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	1943
Dynamic Viscosity Parameter B	385.24
Molar Heat Capacity (298K)	163.575 J/mol-K
Molar Heat Capacity of Vapor a Parameter	73.0108
Molar Heat Capacity of Vapor b Parameter	0.3458
Molar Heat Capacity of Vapor c Parameter	-0.0001467
Molar Heat Capacity of Vapor d Parameter	1.845E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K
UN Number	2079

References for this datasheet.

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