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Substance Name: Methylchloroform
RN: 71-55-6
UNII: 113C650IR1
InChIKey: UOCLXMDMGBRAIB-UHFFFAOYSA-N

Molecular Formula

  • C2-H3-Cl3

Molecular Weight

  • 133.405
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Fungicide, Bactericide, Wood Preservative
  • Human Data
  • Mutation Data
  • Reproductive Effect
  • Skin / Eye Irritant
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 97
  • 2011 CERCLA Priority List, Rank: 110
  • Overall Carcinogenic Evaluation: Group 3
  • Reportable Quantity (RQ) = 1000 lb
  • TWA (350 ppm); STEL (450 ppm); Not classifiable as a human carcinogen; BEI
  • TWA 350 ppm (1900 mg/m3)

Names and Synonyms

Results Name

  • Methylchloroform

Name of Substance

  • 1,1,1-Trichloroethane
  • Ethane, 1,1,1-trichloro-
  • Methylchloroform

Synonyms

  • 1,1,1-TCE
  • 1,1,1-Trichloraethan
  • 1,1,1-Trichloraethan [German]
  • 1,1,1-Trichloroethane
  • 1,1,1-Tricloroetano
  • 1,1,1-Tricloroetano [Italian]
  • 4-01-00-00138 (Beilstein Handbook Reference)
  • Aerothene TT
  • AI3-02061
  • alpha-T
  • alpha-Trichloroethane
  • Baltana
  • BRN 1731614
  • Caswell No. 875
  • CCRIS 1290
  • CF 2
  • Chloroform, methyl-
  • Chlorotene
  • Chlorothene
  • Chlorothene NU
  • Chlorothene SM
  • Chlorothene VG
  • Chlorothene, inhibited
  • Chlorten
  • Cleanite
  • Dowclene LS
  • EC 200-756-3
  • EINECS 200-756-3
  • EPA Pesticide Chemical Code 081201
  • Ethana NU
  • Ethane, 1,1,1-trichloro-
  • F 140a
  • Genklene LB
  • HCC 140a
  • HSDB 157
  • ICI-CF 2
  • Inhibisol
  • Methylchloroform
  • Methyltrichloromethane
  • NCI-C04626
  • NSC 9367
  • RCRA waste number U226
  • Solvent 111
  • Tafclean
  • TCEA
  • Three One A
  • Three One S
  • Trichloro-1,1,1-ethane
  • Trichloro-1,1,1-ethane [French]
  • Trichloroethane
  • Trichloromethylmethane
  • UN 2831
  • UNII-113C650IR1

Systematic Names

  • 1,1,1-Trichloroethane
  • Ethane, 1,1,1-trichloro-

Superlist Names

  • 1,1,1-Trichloroethane
  • 1,1,1-Trichloroethane [UN2831] [Poison]
  • Ethane, 1,1,1-trichloro-
  • Methyl chloroform
  • Methylchloroform
  • RCRA waste no. U226
  • Trichloroethane, 1,1,1-
  • UN2831

Registry Numbers

CAS Registry Number

  • 71-55-6

FDA UNII

  • 113C650IR1

Other Registry Number

  • 74552-83-3

System Generated Number

  • 0000071556

Structure Descriptors

InChI

1S/C2H3Cl3/c1-2(3,4)5/h1H3

InChIKey

UOCLXMDMGBRAIB-UHFFFAOYSA-N

Smiles

C(C)(Cl)(Cl)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LC50 inhalation 24400mg/m3 (24400mg/m3)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 35(8), Pg. 127, 1970.
dog LD50 intraperitoneal 3100mg/kg (3100mg/kg) LIVER: LIVER FUNCTION TESTS IMPAIRED Toxicology and Applied Pharmacology. Vol. 10, Pg. 119, 1967.
dog LD50 oral 750mg/kg (750mg/kg)   Farm Chemicals Handbook. Vol. -, Pg. C310, 1991.
dog LDLo intravenous 95mg/kg (95mg/kg)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 5, Pg. 72, 1959.
guinea pig LD50 oral 9470mg/kg (9470mg/kg)   American Industrial Hygiene Association Journal. Vol. 19, Pg. 353, 1958.
human TCLo inhalation 920ppm/70M (920ppm) SENSE ORGANS AND SPECIAL SENSES: CONJUNCTIVE IRRITATION: EYE

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
American Industrial Hygiene Association Journal. Vol. 19, Pg. 353, 1958.
human TDLo oral 670mg/kg (670mg/kg) GASTROINTESTINAL: OTHER CHANGES

GASTROINTESTINAL: "HYPERMOTILITY, DIARRHEA"

GASTROINTESTINAL: NAUSEA OR VOMITING
National Technical Information Service. Vol. PB257-185,
man TCLo inhalation 200ppm/4H (200ppm) BEHAVIORAL: IRRITABILITY

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Archives of Toxicology, Supplement. Vol. 5, Pg. 96, 1982.
man TCLo inhalation 200ppm/4H (200ppm) SENSE ORGANS AND SPECIAL SENSES: OTHER CHANGES: OLFACTION International Archives of Occupational and Environmental Health. Vol. 72, Pg. 485, 1999.
man TCLo inhalation 350ppm (350ppm) BEHAVIORAL: CHANGES IN PSYCHOPHYSIOLOGICAL TESTS

BEHAVIORAL: "HALLUCINATIONS, DISTORTED PERCEPTIONS"

BEHAVIORAL: CHANGES IN MOTOR ACTIVITY (SPECIFIC ASSAY)
Work, Environment, Health. Vol. 10, Pg. 82, 1973.
monkey LC inhalation > 5000ppm/7H (5000ppm) BEHAVIORAL: TREMOR

BEHAVIORAL: ATAXIA
Archives of Industrial Hygiene and Occupational Medicine. Vol. 1, Pg. 225, 1950.
mouse LC50 inhalation 3911ppm/2H (3911ppm) BEHAVIORAL: EXCITEMENT Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 13, Pg. 226, 1971.
mouse LD50 intraperitoneal 2568mg/kg (2568mg/kg)   Sangyo Igaku. Japanese Journal of Industrial Health. Vol. 8, Pg. 371, 1966.
mouse LD50 oral 6gm/kg (6000mg/kg)   Gigiena Naselennykh Mest. Hygiene in Populated Places. Vol. 29, Pg. 45, 1990.
mouse LD50 oral 6gm/kg (6000mg/kg) CARDIAC: PULSE RATE Gigiena Naselennykh Mest. Hygiene in Populated Places. Vol. 29, Pg. 45, 1990.
mouse LD50 subcutaneous 16gm/kg (16000mg/kg) BEHAVIORAL: ATAXIA

BEHAVIORAL: SLEEP
Journal of Pharmacology and Experimental Therapeutics. Vol. 123, Pg. 224, 1958.
rabbit LD50 oral 5660mg/kg (5660mg/kg)   American Industrial Hygiene Association Journal. Vol. 19, Pg. 353, 1958.
rabbit LDLo skin 15800mg/kg (15800mg/kg)   American Industrial Hygiene Association Journal. Vol. 19, Pg. 353, 1958.
rabbit LDLo subcutaneous 500mg/kg (500mg/kg)   "Handbook of Toxicology," 4 vols., Philadelphia, W.B. Saunders Co., 1956-59Vol. 5, Pg. 72, 1959.
rat LC50 inhalation 18000ppm/4H (18000ppm)   "Sbornik Vysledku Toxixologickeho Vysetreni Latek A Pripravku," Marhold, J.V., Institut Pro Vychovu Vedoucicn Pracovniku Chemickeho Prumyclu Praha, Czechoslovakia, 1972Vol. -, Pg. 28, 1972.
rat LD50 intraperitoneal 3593mg/kg (3593mg/kg)   Environmental Research. Vol. 40, Pg. 411, 1986.
rat LD50 oral 9600mg/kg (9600mg/kg)   Gigiena Naselennykh Mest. Hygiene in Populated Places. Vol. 29, Pg. 45, 1990.
rat LD50 oral 9600mg/kg (9600mg/kg) CARDIAC: PULSE RATE Gigiena Naselennykh Mest. Hygiene in Populated Places. Vol. 29, Pg. 45, 1990.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point -3.04E+01 deg C   EXP
Boiling Point 74 deg C   EXP
log P (octanol-water) 2.49 (none)   EXP
Water Solubility 1290 mg/L 25 EXP
Vapor Pressure 124 mm Hg 25 EXP
Henry's Law Constant 0.0172 atm-m3/mole 24 EXP
Atmospheric OH Rate Constant 9.43E-15 cm3/molecule-sec 25 EXP

Physical property data is provided to ChemIDplus by SRC, Inc.