Trichloroethylene

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  • Identifiers

    CAS number
    79-01-6

    Molecular formula
    C2HCl3

    SMILES
    C(=C(Cl)Cl)Cl

    Safety labels

    Irritant
    Irritant

    Health Hazard
    Health

  • Odor profile

    Odorless 32.84%
    Green 25.57%
    Sweet 25.53%
    Floral 25.09%
    Fishy 24.27%
    Pungent 22.51%
    Fresh 21.42%
    Meaty 19.55%
    Spicy 18.45%
    Earthy 17.65%

    Scent© AI

    Odor threshold>

    • Odor Threshold Low: 0.5 [mmHg]. Odor Threshold High: 167.0 [mmHg]. Detection odor threshold from AIHA (mean = 82 ppm)
    • 5.00X10-1 mg/l (liquid) (detection in water)
    • 2.14X10+1 ppm (recognition in air) (chemically pure)

  • Properties

    XLogP3-AA
    2.6

    Molecular weight
    131.38 g/mol

    Vapor pressure est.

    • hPa @ 20°C
    • hPa @ 25°C

    Evaporation rate
    Ultra fast

    Melting point expt.

    • -99 °F (NTP, 1992)
    • -84.7 °C
    • -84.8 °C
    • -86 °C
    • -99 °F

    Boiling point

    • 189 °F at 760 mmHg (NTP, 1992)
    • 87.2 °C
    • Dielectric constant at 16 °C: 3.42; coefficient of cubic expansion: 0.00119 (at 0-40 °C); heat of formation: -42.3 kJ/mol (liquid), -7.78 kJ/mol (vapor); latent heat of vaporization: 238 kJ/kg (at boiling point)
    • 87 °C
    • 189 °F

    Flash point est.
    22.21 ˚C

    Flash point expt.

    • greater than 200 °F (NTP, 1992)
    • >200 °F

    Solubility expt.

    • less than 1 mg/mL at 70 °F (NTP, 1992)
    • In water, range of 999-1,472 mg/L at 25 °C (average of 1,118 mg/L) /7 measured values/
    • In water, 1,280 mg/L at 25 °C
    • Miscible with ethanol, ethyl ether; soluble in acetone, carbon tetrachloride, chloroform
    • Dissolves most fixed and volatile oils
    • 1.28 mg/mL at 25 °C
    • Solubility in water, g/100ml at 20 °C: 0.1
    • 0.1%

  • Synonyms

    • TRICHLOROETHYLENE
    • Trichloroethene
    • 79-01-6
    • 1,1,2-Trichloroethene
    • Ethene, trichloro-
    • Ethylene trichloride
    • 1,1,2-Trichloroethylene
    • Ethinyl trichloride
    • Densinfluat
    • Germalgene
    • Narkosoid
    • Westrosol
    • Acetylene trichloride
    • Anamenth
    • Narcogen
    • Trilene
    • Trichlorethylene
    • Chlorilen
    • Trethylene
    • Trielina
    • triciene
    • Trichloraethen
    • Benzinol
    • Blacosolv
    • Blancosolv
    • Cecolene
    • Chlorylen
    • Circosolv
    • Crawhaspol
    • Lethurin
    • Petzinol
    • Threthylen
    • Threthylene
    • Trichloran
    • Trichloren
    • Trielene
    • Trieline
    • Algylen
    • Dukeron
    • Fluate
    • Lanadin
    • Philex
    • Triasol
    • Trilen
    • Trimar
    • Vestrol
    • Vitran
    • Nialk
    • Trial
    • Fleck-flip
    • Flock flip
    • Tri-plus
    • Triklone N
    • Dow-tri
    • Tri-Clene
    • Perm-A-chlor
    • Tri-plus M
    • Trichlooretheen
    • Tricloretene
    • Tricloroetilene
    • Tricloroetileno
    • Trielin
    • 1,1-Dichloro-2-chloroethylene
    • Trichlorethylenum
    • trichloroethylenum
    • Trichloraethylenum
    • 1-Chloro-2,2-dichloroethylene
    • Chlorylea
    • Chorylen
    • Triklone
    • Triline
    • 1,2,2-Trichloroethylene
    • Ethylene, trichloro-
    • Trichloraethylen, tri
    • Trichlorethylene, tri
    • Trichloorethyleen, tri
    • Trilene TE-141
    • Perm-A-clor
    • Rcra waste number U228
    • trichlor
    • Trichlorethene
    • Gemalgene
    • Trichloroethylene (IUPAC)
    • Triclene
    • Trichloraethylen
    • Triol
    • Caswell No. 876
    • Ethene, 1,1,2-trichloro-
    • Tricloroetilene [DCIT]
    • C2HCl3
    • Trichloroethylene [INN]
    • NCI-C04546
    • Trichloride, Ethinyl
    • CCRIS 603
    • HSDB 133
    • R 1120
    • UN 1710
    • NSC 389
    • Distillex DS2
    • EINECS 201-167-4
    • TRI
    • trichloraethylenum pro narcosi
    • EPA Pesticide Chemical Code 081202
    • UNII-290YE8AR51
    • BRN 1736782
    • DTXSID0021383
    • CHEBI:16602
    • AI3-00052
    • Trichloroethylene (without epichlorohydrin)
    • 290YE8AR51
    • F 1120
    • DTXCID901382
    • EC 201-167-4
    • TRICHLOROETHYLENE (13C2)
    • 4-01-00-00712 (Beilstein Handbook Reference)
    • Chlorylea, Chorylen, CirCosolv, Crawhaspol, Dow-Tri, Dukeron, Per-A-Clor, Triad, Trial, TRI-Plus M, Vitran
    • NCGC00091202-01
    • 123919-09-5
    • TRICHLOROETHYLENE (II)
    • TRICHLOROETHYLENE [II]
    • Trielina [Italian]
    • TRICHLOROETHYLENE (IARC)
    • TRICHLOROETHYLENE [IARC]
    • TRICHLOROETHYLENE (MART.)
    • TRICHLOROETHYLENE [MART.]
    • Trichlorathane
    • Tricloretene [Italian]
    • TRICHLOROETHYLENE (USP-RS)

  • Solubility @25˚C

    Solvent Solubility (g/L)
    ethanol 60.62
    methanol 52.6
    isopropanol 51.27
    water 1.92
    ethyl acetate 97.32
    n-propanol 59.34
    acetone 168.91
    n-butanol 63.03
    acetonitrile 100.47
    DMF 225.44
    toluene 127.98
    isobutanol 49.31
    1,4-dioxane 227.58
    methyl acetate 112.94
    THF 297.12
    2-butanone 143.31
    n-pentanol 65.79
    sec-butanol 68.72
    n-hexane 34.69
    ethylene glycol 23.76
    NMP 272.84
    cyclohexane 69.28
    DMSO 229.92
    n-butyl acetate 129.67
    n-octanol 65.77
    chloroform 200.22
    n-propyl acetate 103.71
    acetic acid 76.9
    dichloromethane 197.69
    cyclohexanone 187.34
    propylene glycol 21.11
    isopropyl acetate 80.51
    DMAc 246.7
    2-ethoxyethanol 113.3
    isopentanol 64.41
    n-heptane 69.29
    ethyl formate 65.91
    1,2-dichloroethane 141.45
    n-hexanol 72.73
    2-methoxyethanol 119.7
    isobutyl acetate 74.42
    tetrachloromethane 63.23
    n-pentyl acetate 87.98
    transcutol 349.54
    n-heptanol 52.66
    ethylbenzene 80.13
    MIBK 95.14
    2-propoxyethanol 116.88
    tert-butanol 77.88
    MTBE 116.14
    2-butoxyethanol 86.19
    propionic acid 46.74
    o-xylene 113.93
    formic acid 30.44
    diethyl ether 136.58
    m-xylene 96.69
    p-xylene 103.8
    chlorobenzene 102.54
    dimethyl carbonate 58.36
    n-octane 29.16
    formamide 57.69
    cyclopentanone 192.3
    2-pentanone 129.42
    anisole 140.13
    cyclopentyl methyl ether 185.11
    gamma-butyrolactone 160.54
    1-methoxy-2-propanol 99.5
    pyridine 195.9
    3-pentanone 120.67
    furfural 193.86
    n-dodecane 21.12
    diethylene glycol 86.72
    diisopropyl ether 69.95
    tert-amyl alcohol 83.95
    acetylacetone 150.29
    n-hexadecane 23.22
    acetophenone 145.5
    methyl propionate 88.24
    isopentyl acetate 118.54
    trichloroethylene 240.55
    n-nonanol 62.61
    cyclohexanol 99.51
    benzyl alcohol 92.79
    2-ethylhexanol 80.76
    isooctanol 50.6
    dipropyl ether 149.18
    1,2-dichlorobenzene 97.65
    ethyl lactate 48.64
    propylene carbonate 92.84
    n-methylformamide 81.8
    2-pentanol 63.28
    n-pentane 40.97
    1-propoxy-2-propanol 114.23
    1-methoxy-2-propyl acetate 120.59
    2-(2-methoxypropoxy) propanol 119.15
    mesitylene 74.86
    ε-caprolactone 149.06
    p-cymene 90.31
    epichlorohydrin 204.03
    1,1,1-trichloroethane 144.55
    2-aminoethanol 33.53
    morpholine-4-carbaldehyde 262.27
    sulfolane 192.28
    2,2,4-trimethylpentane 28.12
    2-methyltetrahydrofuran 224.03
    n-hexyl acetate 101.67
    isooctane 20.96
    2-(2-butoxyethoxy)ethanol 142.45
    sec-butyl acetate 82.03
    tert-butyl acetate 104.34
    decalin 35.36
    glycerin 35.54
    diglyme 280.21
    acrylic acid 50.1
    isopropyl myristate 69.65
    n-butyric acid 60.09
    acetyl acetate 77.75
    di(2-ethylhexyl) phthalate 51.33
    ethyl propionate 85.64
    nitromethane 146.98
    1,2-diethoxyethane 198.13
    benzonitrile 111.65
    trioctyl phosphate 42.24
    1-bromopropane 103.19
    gamma-valerolactone 225.65
    n-decanol 52.89
    triethyl phosphate 71.09
    4-methyl-2-pentanol 45.79
    propionitrile 73.03
    vinylene carbonate 82.99
    1,1,2-trichlorotrifluoroethane 146.79
    DMS 80.17
    cumene 60.84
    2-octanol 50.3
    2-hexanone 127.29
    octyl acetate 74.79
    limonene 136.48
    1,2-dimethoxyethane 256.83
    ethyl orthosilicate 75.09
    tributyl phosphate 51.31
    diacetone alcohol 105.55
    N,N-dimethylaniline 137.45
    acrylonitrile 83.17
    aniline 93.65
    1,3-propanediol 46.48
    bromobenzene 107.37
    dibromomethane 148.04
    1,1,2,2-tetrachloroethane 190.07
    2-methyl-cyclohexyl acetate 107.39
    tetrabutyl urea 85.43
    diisobutyl methanol 71.29
    2-phenylethanol 96.26
    styrene 92.65
    dioctyl adipate 89.4
    dimethyl sulfate 87.47
    ethyl butyrate 123.83
    methyl lactate 46.59
    butyl lactate 61.06
    diethyl carbonate 80.95
    propanediol butyl ether 73.28
    triethyl orthoformate 102.53
    p-tert-butyltoluene 88.41
    methyl 4-tert-butylbenzoate 111.21
    morpholine 218.7
    tert-butylamine 61.96
    n-dodecanol 48.21
    dimethoxymethane 161.86
    ethylene carbonate 70.77
    cyrene 120.8
    2-ethoxyethyl acetate 109.35
    2-ethylhexyl acetate 113.99
    1,2,4-trichlorobenzene 125.0
    4-methylpyridine 189.94
    dibutyl ether 124.15
    2,6-dimethyl-4-heptanol 71.29
    DEF 171.96
    dimethyl isosorbide 212.03
    tetrachloroethylene 138.49
    eugenol 103.89
    triacetin 113.71
    span 80 97.23
    1,4-butanediol 32.18
    1,1-dichloroethane 121.89
    2-methyl-1-pentanol 67.33
    methyl formate 72.74
    2-methyl-1-butanol 63.28
    n-decane 32.26
    butyronitrile 77.97
    3,7-dimethyl-1-octanol 76.19
    1-chlorooctane 68.52
    1-chlorotetradecane 39.29
    n-nonane 33.91
    undecane 25.04
    tert-butylcyclohexane 32.26
    cyclooctane 37.69
    cyclopentanol 87.89
    tetrahydropyran 210.62
    tert-amyl methyl ether 124.87
    2,5,8-trioxanonane 217.63
    1-hexene 68.87
    2-isopropoxyethanol 98.34
    2,2,2-trifluoroethanol 43.08
    methyl butyrate 109.62

    Scent© AI

1 4

IFRA standard 51

Recommendation
No restriction
Maximum acceptable concentrations in the finished product (%)
Category 1
Products applied to the lips
 No restriction Category 7A
Rinse-off products applied to the hair with some hand contact
 No restriction
Category 2
Products applied to the axillae
 No restriction Category 7B
Leave-on products applied to the hair with some hand contact
 No restriction
Category 3
Products applied to the face/body using fingertips
 No restriction Category 8
Products with significant anogenital exposure
 No restriction
Category 4
Products related to fine fragrance
 No restriction Category 9
Products with body and hand exposure, primarily rinse off
 No restriction
Category 5A
Body lotion products applied to the body using the hands (palms), primarily leave on
 No restriction Category 10A
Household care products with mostly hand contact
 No restriction
Category 5B
Face moisturizer products applied to the face using the hands (palms), primarily leave on
 No restriction Category 10B
Household care products with mostly hand contact, including aerosol/spray products (with potential leave-on skin contact)
 No restriction
Category 5C
Hand cream products applied to the hands using the hands (palms), primarily leave on
 No restriction Category 11A
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate without UV exposure
 No restriction
Category 5D
Baby Creams, baby Oils and baby talc
 No restriction Category 11B
Products with intended skin contact but minimal transfer of fragrance to skin from inert substrate with potential UV exposure
 No restriction
Category 6
Products with oral and lip exposure
 No restriction Category 12
Products not intended for direct skin contact, minimal or insignificant transfer to skin
 No restriction