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Substance Name: TCA-sodium [ISO]
RN: 650-51-1
UNII: 2N76A3BRJ0
InChIKey: SAQSTQBVENFSKT-UHFFFAOYSA-M

Note

  • A strong acid used as a protein precipitant in clinical chemistry and also as a caustic for removing warts.

Molecular Formula

  • C2-H-Cl3-O2.Na

Molecular Weight

  • 185.369
 

Classification Codes

  • Agricultural Chemical
  • Herbicide
  • Mutation Data
  • Tumor Data
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Names and Synonyms

Results Name

  • TCA-sodium [ISO]

Name of Substance

  • Sodium trichloroacetate
  • TCA-sodium [ISO]
  • Trichloroacetic acid sodium salt

Synonyms

  • ACP grass killer
  • Allied Arcadian Sodium TCA
  • Antiperz
  • Antyperz
  • Caswell No. 797
  • CCRIS 8529
  • Dow sodium TCA inhibited
  • EC 211-479-2
  • EINECS 211-479-2
  • EPA Pesticide Chemical Code 081001
  • Green cross couch grass killer
  • HSDB 6737
  • Natriumtrichlooracetaat
  • Natriumtrichlooracetaat [Dutch]
  • Natriumtrichloracetat
  • Natriumtrichloracetat [German]
  • Sodio(tricloroacetato di)
  • Sodio(tricloroacetato di) [Italian]
  • Sodium (trichloracetate de)
  • Sodium (trichloracetate de) [French]
  • Sodium TCA
  • Sodium TCA inhibited
  • Sodium trichloroacetate
  • Sodium trichloroacetic acid
  • STCA
  • TCA sodium
  • Trichloressigsaures natrium
  • Trichloressigsaures natrium [German]
  • Trichloroacetic acid sodium salt
  • Trichloroctan sodny
  • Trichloroctan sodny [Czech]
  • UNII-2N76A3BRJ0
  • Varitox
  • Weedmaster grass killer

Systematic Names

  • Acetic acid, 2,2,2-trichloro-, sodium salt (1:1)
  • Acetic acid, trichloro-, sodium salt
  • TCA

Superlist Name

  • Sodium trichloroacetate

Mixture Name

  • TCA-sodium

Registry Numbers

CAS Registry Number

  • 650-51-1

FDA UNII

  • 2N76A3BRJ0

System Generated Number

  • 0000650511

Molecular Formulas

Molecular Formula

  • C2-H-Cl3-O2.Na

Molecular Formula Fragments

  • C2-H-Cl3-O2
  • COMPONENT
  • Na

Structure Descriptors

InChI

1S/C2HCl3O2.Na/c3-2(4,5)1(6)7;/h(H,6,7);/q;+1/p-1

InChIKey

SAQSTQBVENFSKT-UHFFFAOYSA-M

Smiles

C(C(=O)[O-])(Cl)(Cl)Cl.[Na+]

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
cat LD50 oral 4gm/kg (4000mg/kg) PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)

BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 32(1), Pg. 48, 1967.
chicken LD50 oral 4280mg/kg (4280mg/kg)   Down to Earth. Vol. 35, Pg. 25, 1979.
guinea pig LD50 oral 6gm/kg (6000mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 32(1), Pg. 48, 1967.
mammal (species unspecified) LD50 unreported 3300mg/kg (3300mg/kg)   "Chemistry of Pesticides," Melnikov, N.N., New York, Springer-Verlag New York, Inc., 1971Vol. -, Pg. 121, 1971.
mouse LD50 oral 3600mg/kg (3600mg/kg)   Pesticide Chemicals Official Compendium, Association of the American Pesticide Control Officials, Inc., 1966. Vol. -, Pg. 1061, 1966.
rabbit LD skin > 10100mg/kg (10100mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL) National Technical Information Service. Vol. OTS0545852,
rabbit LD50 oral 6gm/kg (6000mg/kg) BEHAVIORAL: MUSCLE WEAKNESS

BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY)

PERIPHERAL NERVE AND SENSATION: FLACCID PARALYSIS WITHOUT ANESTHESIA (USUALLY NEUROMUSCULAR BLOCKAGE)
Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 32(1), Pg. 48, 1967.
rat LC50 inhalation > 365gm/m3/4H (365000mg/m3)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A377, Pg. 1983,
rat LD50 oral 3320mg/kg (3320mg/kg)   Khimiya v Sel'skom Khozyaistve. Chemistry in Agriculture. Vol. 18(3), Pg. 46, 1980.
rat LD50 skin > 2gm/kg (2000mg/kg)   "Agrochemicals Handbook," with updates, Hartley, D., and H. Kidd, eds., Nottingham, Royal Soc of Chemistry, 1983-86Vol. A377, Pg. 1983,

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point > 300 deg C   EXP
log P (octanol-water) -2.370 (none)   EST
Water Solubility 1.00E+06 mg/L 25 EXP
Vapor Pressure 2.60E-08 mm Hg 25 EST
Atmospheric OH Rate Constant 0.0 cm3/molecule-sec 25 EST

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