Methanethiol (Methyl mercaptan), CH 3 HS

Login to see your most recently viewed materials here. Or if you don't have an account with us yet, then click here to register.

(Viewing data as-entered. Click here to return)

Methanethiol (Methyl mercaptan), CH₃HS
Categories:	Fluid; Solvent
Key Words:	CH3HS
Vendors:	No vendors are listed for this material. Please click here if you are a supplier and would like information on how to add your listing to this material.
Printer friendly version Download as PDF Download to Excel (requires Excel and Windows) Export data to your CAD/FEA program Add to Folder:

Physical Properties	Original Value	Comments

Density	0.848 g/cc @Temperature 20.0 °C
Viscosity	0.289 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	62.13 g/mol
Vapor Pressure	397.783 torr @Temperature 20.0 °C
Surface Tension	24.46 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	54.6 atm
Critical Temperature	230 °C
Critical Density	0.309 g/cc
Critical Molar Volume	201 cm³/mol

Thermal Properties	Original Value	Comments
Heat of Vaporization	433.7 J/g
Specific Heat Capacity	1.193 J/g-°C @Temperature 25.0 °C	Vapor
Melting Point	-98.3 °C
Boiling Point	37.4 °C

Descriptive Properties
Antoine's Vapor Pressure A Parameter	16.0001
Antoine's Vapor Pressure B Parameter	2511.56
Antoine's Vapor Pressure C Parameter	-42.35
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	74-93-1
Chemical Formula	CH₃HS
Critical Compressibility (Zc)	0.266
Dipole moment (p/C.m)	5.003E-28
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	267.34
Dynamic Viscosity Parameter B	184.24
Molar Heat Capacity (298K)	74.151 J/mol-K
Molar Heat Capacity of Vapor a Parameter	24.2881
Molar Heat Capacity of Vapor b Parameter	0.1874
Molar Heat Capacity of Vapor c Parameter	-6.87E-05
Molar Heat Capacity of Vapor d Parameter	4.096E-09
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K

References for this datasheet.

Some of the values displayed above may have been converted from their original units and/or rounded in order to display the information in a consistent format. Users requiring more precise data for scientific or engineering calculations can click on the property value to see the original value as well as raw conversions to equivalent units. We advise that you only use the original value or one of its raw conversions in your calculations to minimize rounding error. We also ask that you refer to MatWeb's terms of use regarding this information. Click here to go back to viewing the property data in MatWeb's normal format.

Users viewing this material also viewed the following:
Leaded Red Brass, UNS C83600, Copper Casting Alloy (Bronze SAE 40)
High-Leaded Tin Bronze, UNS C93200, Copper Casting Alloy, Bearing Bronze SAE 660
Ethanethiol (Ethyl mercaptan), C₂H₅SH
UNS C90800, Copper Casting Alloy
Isopropylamine, C₃H₉N

VORGS214 / 99581

	Advertise with MatWeb!
	Data sheets for over 180,000 metals, plastics, ceramics, and composites.
	HOME • SEARCH • TOOLS • SUPPLIERS • FOLDERS • ABOUT US • FAQ • LOG IN

System Message