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Substance Name: 2,4-Dichlorophenol
RN: 120-83-2
UNII: R669TG1950
InChIKey: HFZWRUODUSTPEG-UHFFFAOYSA-N

Note

  • Testing required upon production or importation

Molecular Formula

  • C6-H4-Cl2-O

Molecular Weight

  • 163.003
 

Classification Codes

Classification Codes

  • Agricultural Chemical
  • Anthelmintics
  • Anti-Infective Agents
  • Antiparasitic Agents
  • Fungicide, Bactericide, Wood Preservative
  • Mutation Data
  • Reproductive Effect
  • Skin / Eye Irritant
  • TSCA Flag T (Subject to the Section 4 Test Rule under TSCA)
  • Tumor Data

Superlist Classification Codes

  • 2007 CERCLA Priority List, Rank: 209
  • 2011 CERCLA Priority List, Rank: 208
  • Reportable Quantity (RQ) = 100 lb

Names and Synonyms

Name of Substance

  • 2,4-Dichlorophenol

Synonyms

  • 1-Hydroxy-2,4-dichlorobenzene
  • 2,4-DCP
  • 2,4-Dichlorohydroxybenzene
  • 2,4-Dichlorophenol
  • 4,6-Dichlorophenol
  • 4-06-00-00885 (Beilstein Handbook Reference)
  • AI3-00078
  • BRN 0742467
  • CCRIS 657
  • EC 204-429-6
  • EINECS 204-429-6
  • HSDB 1139
  • NCI-C55345
  • NSC 2879
  • Phenol, 2,4-dichloro-
  • RCRA waste number U081
  • UNII-R669TG1950

Systematic Names

  • 2,4-Dichlorophenol
  • Phenol, 2,4-dichloro-

Superlist Names

  • 2,4-Dichlorophenol
  • 2,4-Dichlorophenol [Polychlorophenols and their sodium salts]
  • Phenol, 2,4-dichloro-
  • RCRA waste no. U081

Registry Numbers

CAS Registry Number

  • 120-83-2

FDA UNII

  • R669TG1950

Related Registry Numbers

  • 3757-76-4 (hydrochloride salt)
  • 50884-30-5 (potassium salt)

System Generated Number

  • 0000120832

Structure Descriptors

InChI

1S/C6H4Cl2O/c7-4-1-2-6(9)5(8)3-4/h1-3,9H

InChIKey

HFZWRUODUSTPEG-UHFFFAOYSA-N

Smiles

c1(c(ccc(c1)Cl)O)Cl

Toxicity

Organism Test Type Route Reported Dose (Normalized Dose) Effect Source
guinea pig LDLo oral 2gm/kg (2000mg/kg)   Antibiotics Annual. Vol. 7, Pg. 321, 1959/1960.
mammal (species unspecified) LD50 oral 464mg/kg (464mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 16, 1980.
mammal (species unspecified) LD50 skin 790mg/kg (790mg/kg)   Gigiena i Sanitariya. For English translation, see HYSAAV. Vol. 45(10), Pg. 16, 1980.
mouse LD50 intraperitoneal 153mg/kg (153mg/kg)   Journal of Medicinal Chemistry. Vol. 18, Pg. 868, 1975.
mouse LD50 oral 1276mg/kg (1276mg/kg) BEHAVIORAL: ATAXIA

LUNGS, THORAX, OR RESPIRATION: DYSPNEA

BEHAVIORAL: ALTERED SLEEP TIME (INCLUDING CHANGE IN RIGHTING REFLEX)
Fundamental and Applied Toxicology. Vol. 5, Pg. 478, 1985.
rabbit LDLo skin 3160mg/kg (3160mg/kg) BEHAVIORAL: FOOD INTAKE (ANIMAL)

LIVER: OTHER CHANGES

LUNGS, THORAX, OR RESPIRATION: PULMONARY EMBOLI
National Technical Information Service. Vol. OTS0534822,
rat LD50 intraperitoneal 430mg/kg (430mg/kg) BEHAVIORAL: CONVULSIONS OR EFFECT ON SEIZURE THRESHOLD

BEHAVIORAL: TREMOR
British Journal of Pharmacology and Chemotherapy. Vol. 13, Pg. 20, 1958.
rat LD50 oral 47mg/kg (47mg/kg) GASTROINTESTINAL: OTHER CHANGES

BEHAVIORAL: FOOD INTAKE (ANIMAL)

LUNGS, THORAX, OR RESPIRATION: DYSPNEA
National Technical Information Service. Vol. OTS0534822,
rat LD50 subcutaneous 1730mg/kg (1730mg/kg)   Federation Proceedings, Federation of American Societies for Experimental Biology. Vol. 2, Pg. 76, 1943.

Physical Properties

Physical Property Value Units Temp (deg C) Source
Melting Point 45 deg C   EXP
Boiling Point 210 deg C   EXP
pKa Dissociation Constant 7.892 (none)   EXP
log P (octanol-water) 3.06 (none)   EXP
Water Solubility 4500 mg/L 20 EXP
Vapor Pressure 0.116 mm Hg 25 EXP
Henry's Law Constant 5.51E-06 atm-m3/mole 25 EST
Atmospheric OH Rate Constant 1.06E-12 cm3/molecule-sec 25 EXP

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