THC Science

This page provides supplementary chemical data on trichloroethylene.

Material Safety Data Sheet[edit]

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 eChemPortal, and follow its directions.

Structure and properties[edit]

Structure and properties
Index of refraction,^[1]n_D	1.4777 at 19.8 °C
Abbe number	?
Dielectric constant,^[2] ε_r	3.4 ε₀ at 16 °C
Bond strength	?
Bond length	?
Bond angle	?
Magnetic susceptibility	?
Surface tension^[3]	28.7 dyn/cm
Viscosity^[4]	0.53 mPa·s at 25 °C

Thermodynamic properties[edit]

Phase behavior
Triple point^[5]	188.4 K (−84.7 °C), ? Pa
Critical point^[5]	571 K (298 °C), 5016 kPa
Std enthalpy change of fusion, Δ_fusH^o	8.45 kJ/mol
Std entropy change of fusion, Δ_fusS^o	44.8 J/(mol·K)
Std enthalpy change of vaporization, Δ_vapH^o	31.4 kJ/mol
Std entropy change of vaporization, Δ_vapS^o	? J/(mol·K)
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	−53.1 kJ/mol
Standard molar entropy, S^o_liquid	? J/(mol K)
Enthalpy of combustion, Δ_cH^o_liquid	−947.7 kJ/mol
Heat capacity, c_p	120.1 J/(mol K)
Gas properties
Std enthalpy change of formation, Δ_fH^o_gas	−19.1 kJ/mol
Standard molar entropy, S^o_gas	? J/(mol K)
Heat capacity,^[6] c_p	80.7 J/(mol K) at 25 °C

Vapor pressure of liquid[edit]

P in mm Hg		1	10	40	100	400	760
T in °C		−43.8	−12.4	11.9	31.4	67.0	86.7

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

**log₁₀ of Trichloroethylene vapor pressure.** Uses formula: $\scriptstyle \log _{e}P_{mmHg}=$ $\scriptstyle \log _{e}({\frac {760}{101.325}})-3.586434\log _{e}(T+273.15)-{\frac {5142.974}{T+273.15}}+39.83149+1.342324\times 10^{-6}(T+273.15)^{2}$ obtained from CHERIC^[6]

Distillation data[edit]

BP Temp. °C	% by mole CCl₄
Vapor-liquid Equilibrium for Trichlorethylene/Carbon tetrachloride^[7] P = 760 mmHg
BP Temp. °C	liquid	vapor
86.0	6.0	7.5
85.1	14.7	17.6
84.4	20.2	25.0
84.2	22.4	27.8
83.5	27.4	34.4
83.1	31.5	38.0
82.5	37.6	44.5
81.3	49.0	56.5
81.0	52.5	58.9
80.5	58.0	65.0
80.0	62.7	70.0
79.1	70.6	78.0
78.5	76.7	82.9
78.1	80.4	86.6
77.3	91.8	95.0
76.9	96.5	98.0

BP Temp. °C	% by mole trichloroethylene
Vapor-liquid Equilibrium for Trichlorethylene/Tetrachloroethylene^[7] P = 760 mmHg
BP Temp. °C	liquid	vapor
117.0	7.5	17.8
115.7	10.0	22.8
112.8	16.2	33.8
110.5	21.7	42.0
109.1	25.0	46.8
106.9	30.8	53.7
105.7	33.6	57.2
103.4	39.4	62.7
101.0	46.2	69.8
100.0	49.3	71.8
98.4	55.0	75.6
96.3	61.4	80.0
94.4	68.5	84.3
93.4	72.3	87.2
92.1	76.9	88.8
89.5	87.5	95.0

BP Temp. °C	% by mole trichloroethylene
Vapor-liquid Equilibrium for Trichlorethylene/Isopropanol^[7] P = 100 kPa
BP Temp. °C	liquid	vapor
81.7	0.0	0.0
81.4	0.8	2.1
80.4	3.2	8.0
79.3	6.8	14.7
78.3	10.6	20.9
77.2	15.6	27.3
76.3	21.8	33.7
75.6	29.0	39.4
75.2	35.7	43.7
74.9	43.3	47.7
74.8	50.9	50.8
74.8	57.3	53.9
75.0	63.2	56.2
75.3	69.5	58.7
75.7	75.2	61.1
76.2	79.8	64.1
77.4	86.2	68.8
78.9	90.8	74.5
80.5	94.1	80.1
81.3	94.9	83.0
82.5	96.7	87.1
83.5	97.9	90.7
84.2	98.5	92.9
85.0	99.1	95.1
86.4	100.0	100.0

Spectral data[edit]

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

This box:

Except where noted otherwise, data relate to Standard temperature and pressure.
Reliability of data general note.

References[edit]

^ Lange's Handbook of Chemistry, 10th ed. pp 1289–1376
^ CRC Handbook of Chemistry and Physics, 44th ed. pp 2613–2620
^ "Precision Cleaning". Forward Technology. Archived from the original on 29 June 2007. Retrieved 31 May 2007.
^ "1,1,2-trichloroethylene". California Air Resources Board. Retrieved 31 May 2007.
^ ^a ^b Mingxiang Lou; Oleg A. Mazyar; Mark W. Vaughn; William L. Hase; Lenore L. Dai. "Molecular Dynamics Simulation of Nanoparticle Self-Assembly at a Liquid/Liquid Surface" (PDF). Texas Tech. University, Dept. of Chemical Engineering. Archived from the original (PDF) on 29 September 2007. Retrieved 31 May 2007.
^ ^a ^b "Pure Component Properties" (Queriable Database). Chemical Engineering Research Information Center. Retrieved 31 May 2007.
^ ^a ^b ^c "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 1 June 2007.

Linstrom, Peter (1997). "NIST Standard Reference Database". National Institute of Standards and Technology. doi:10.18434/T4D303. {{cite journal}}: Cite journal requires |journal= (help)

[1] Lange's Handbook of Chemistry, 10th ed. pp 1289–1376

[2] CRC Handbook of Chemistry and Physics, 44th ed. pp 2613–2620

[3] "Precision Cleaning". Forward Technology. Archived from the original on 29 June 2007. Retrieved 31 May 2007.

[ca-4] "1,1,2-trichloroethylene". California Air Resources Board. Retrieved 31 May 2007.

[moldyn-5] Mingxiang Lou; Oleg A. Mazyar; Mark W. Vaughn; William L. Hase; Lenore L. Dai. "Molecular Dynamics Simulation of Nanoparticle Self-Assembly at a Liquid/Liquid Surface" (PDF). Texas Tech. University, Dept. of Chemical Engineering. Archived from the original (PDF) on 29 September 2007. Retrieved 31 May 2007.

[cheric_p-6] "Pure Component Properties" (Queriable Database). Chemical Engineering Research Information Center. Retrieved 31 May 2007.

[cheric_b-7] "Binary Vapor-Liquid Equilibrium Data" (Queriable database). Chemical Engineering Research Information Center. Retrieved 1 June 2007.

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