Acetic anhydride, C 4 H 6 O 3

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Acetic anhydride, C₄H₆O₃
Categories:	Fluid; Solvent
Key Words:	C4H6O3
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Physical Properties	Original Value	Comments

Density	1.087 g/cc @Temperature 20.0 °C
Viscosity	0.907 cP @Temperature 20.0 °C	Dynamic Viscosity
Molecular Weight	102.089 g/mol
Vapor Pressure	3.745 torr @Temperature 20.0 °C
Surface Tension	32.65 dynes/cm @Temperature 20.0 °C

Chemical Properties	Original Value	Comments
Critical Pressure	46.2 atm
Critical Temperature	296 °C
Critical Density	0.352 g/cc
Critical Molar Volume	290 cm³/mol

Electrical Properties	Original Value	Comments
Dielectric Constant	22.45 @Temperature 20.0 °C

Thermal Properties	Original Value	Comments
Heat of Vaporization	403.7 J/g
Specific Heat Capacity	0.972 J/g-°C @Temperature 25.0 °C	Vapor
Thermal Conductivity	0.2209 W/m-K @Temperature 20.0 °C
Melting Point	-74.2 °C
Boiling Point	138.9 °C

Optical Properties	Original Value	Comments
Refractive Index	1.39 @Wavelength 589.3 nm	n_D

Descriptive Properties
Antoine's Vapor Pressure A Parameter	16.3982
Antoine's Vapor Pressure B Parameter	3827.56
Antoine's Vapor Pressure C Parameter	-75.11
Antoine's Vapor Pressure Formula	ln π_p = A - B/(T+C)	P in mmHg and T in K
CAS registry number (CARN)	108-24-7
Chemical Formula	C₄H₆O₃
Critical Compressibility (Zc)	0.287
Dipole moment (p/C.m)	1.001E-27
Dynamic Viscosity Formula	log₁₀ η=A(1/T-1/B)
Dynamic Viscosity Parameter A	502.33
Dynamic Viscosity Parameter B	286.04
Henry's Law Constant (atm m³/mol)	4.3E-06
Molar Heat Capacity (298K)	99.255 J/mol-K
Molar Heat Capacity of Vapor a Parameter	-23.1124
Molar Heat Capacity of Vapor b Parameter	0.5084
Molar Heat Capacity of Vapor c Parameter	-0.0003578
Molar Heat Capacity of Vapor d Parameter	9.828E-08
Molar Heat Capacity of Vapor Formula	C_p = a + bT + cT² + dT³	C_p in J/mol-K
UN Number	1715

References for this datasheet.

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