Ethanethiol (Ethyl mercaptan), C 2 H 5 SH

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Ethanethiol (Ethyl mercaptan), C₂H₅SH
Categories:	Fluid; Solvent
Key Words:	C2H5SH
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Physical Properties	Metric	English	Comments

Density	0.839 g/cc @Temperature 20.0 °C	0.0303 lb/in³ @Temperature 68.0 °F
Viscosity	0.249 cP @Temperature 20.0 °C	0.249 cP @Temperature 68.0 °F	Dynamic Viscosity
Molecular Weight	62.134 g/mol	62.134 g/mol
Vapor Pressure	0.578948 bar @Temperature 20.0 °C	434.248 torr @Temperature 68.0 °F
Surface Tension	22.39 dynes/cm @Temperature 20.0 °C	22.39 dynes/cm @Temperature 68.0 °F

Chemical Properties	Metric	English	Comments
Critical Pressure	54.9 bar	41200 torr
Critical Temperature	226 °C	439 °F
Critical Density	0.300 g/cc	0.0108 lb/in³
Critical Molar Volume	207 cm³/mol	12.6 in³/mol

Thermal Properties	Metric	English	Comments
Heat of Vaporization	431 J/g	185 BTU/lb
Specific Heat Capacity	1.187 J/g-°C @Temperature 25.0 °C	0.2837 BTU/lb-°F @Temperature 77.0 °F	Vapor
Melting Point	-147.9 °C	-234.2 °F
Boiling Point	35.1 °C	95.2 °F

Descriptive Properties
Antoine's Vapor Pressure A Parameter	16.0077
Antoine's Vapor Pressure B Parameter	2497.23
Antoine's Vapor Pressure C Parameter	-41.77
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)		P in mmHg and T in K
CAS registry number (CARN)	75-08-1
Chemical Formula	C₂H₅SH
Critical Compressibility (Zc)	0.274
Dipole moment (p/C.m)	5.003E-28
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	419.6
Dynamic Viscosity Parameter B	206.21
Molar Heat Capacity (298K)	73.747 J/mol-K
Molar Heat Capacity of Vapor a Parameter	14.9118
Molar Heat Capacity of Vapor b Parameter	0.2349
Molar Heat Capacity of Vapor c Parameter	-0.0001355
Molar Heat Capacity of Vapor d Parameter	3.16E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³		C_p in J/mol-K

References for this datasheet.

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