2,4-Dichlorophenol

Modify Date: 2025-08-21 10:43:40

2,4-Dichlorophenol Structure
2,4-Dichlorophenol structure
 Common Name 2,4-Dichlorophenol
CAS Number 120-83-2 Molecular Weight 163.001
Density 1.5±0.1 g/cm3 Boiling Point 210.0±0.0 °C at 760 mmHg
Molecular Formula C6H4Cl2O Melting Point 42-43 °C(lit.)
MSDS Chinese USA Flash Point 113.9±0.0 °C
Symbol GHS05 GHS06 GHS09
GHS05, GHS06, GHS09		 Signal Word Danger

 Names

Name 2,4-dichlorophenol
Synonym More Synonyms

 Chemical & Physical Properties

Density 1.5±0.1 g/cm3
Boiling Point 210.0±0.0 °C at 760 mmHg
Melting Point 42-43 °C(lit.)
Molecular Formula C6H4Cl2O
Molecular Weight 163.001
Flash Point 113.9±0.0 °C
Exact Mass 161.963913
PSA 20.23000
LogP 2.99
Vapour Pressure 0.1±0.4 mmHg at 25°C
Index of Refraction 1.594
Water Solubility 4.5 g/L (20 ºC)

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
SK8575000
CHEMICAL NAME :
Phenol, 2,4-dichloro-
CAS REGISTRY NUMBER :
120-83-2
BEILSTEIN REFERENCE NO. :
0742467
LAST UPDATED :
199806
DATA ITEMS CITED :
34
MOLECULAR FORMULA :
C6-H4-Cl2-O
MOLECULAR WEIGHT :
163.00
WISWESSER LINE NOTATION :
QR BG DG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :
Standard Draize test
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
47 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal) Lungs, Thorax, or Respiration - dyspnea Gastrointestinal - other changes
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
430 mg/kg
TOXIC EFFECTS :
Behavioral - tremor Behavioral - convulsions or effect on seizure threshold Nutritional and Gross Metabolic - body temperature increase
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Subcutaneous
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
1730 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
1276 mg/kg
TOXIC EFFECTS :
Behavioral - altered sleep time (including change in righting reflex) Behavioral - ataxia Lungs, Thorax, or Respiration - dyspnea
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Intraperitoneal
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
153 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - rabbit
DOSE/DURATION :
3160 mg/kg
TOXIC EFFECTS :
Behavioral - food intake (animal) Lungs, Thorax, or Respiration - pulmonary emboli Liver - other changes
TYPE OF TEST :
LDLo - Lowest published lethal dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - guinea pig
DOSE/DURATION :
2 gm/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
464 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
LD50 - Lethal dose, 50 percent kill
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Mammal - species unspecified
DOSE/DURATION :
790 mg/kg
TOXIC EFFECTS :
Details of toxic effects not reported other than lethal dose value
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - rat
DOSE/DURATION :
91 gm/kg/13W-C
TOXIC EFFECTS :
Blood - changes in bone marrow (not otherwise specified)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
31770 mg/kg/90D-C
TOXIC EFFECTS :
Behavioral - fluid intake Blood - changes in cell count (unspecified) Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - phosphatases
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
437 gm/kg/13W-C
TOXIC EFFECTS :
Kidney, Ureter, Bladder - changes in tubules (including acute renal failure, acute tubular necrosis) Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
67200 mg/kg/14D-C
TOXIC EFFECTS :
Related to Chronic Data - death
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Administration onto the skin
SPECIES OBSERVED :
Rodent - mouse
DOSE/DURATION :
16 gm/kg/39W-I
TOXIC EFFECTS :
Tumorigenic - Carcinogenic by RTECS criteria Skin and Appendages - tumors
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
20 mg/kg
SEX/DURATION :
female 1-20 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - other developmental abnormalities
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
7500 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus)
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Oral
DOSE :
7500 mg/kg
SEX/DURATION :
female 6-15 day(s) after conception
TOXIC EFFECTS :
Reproductive - Specific Developmental Abnormalities - musculoskeletal system
TYPE OF TEST :
TDLo - Lowest published toxic dose
ROUTE OF EXPOSURE :
Subcutaneous
DOSE :
666 mg/kg
SEX/DURATION :
female 6-14 day(s) after conception
TOXIC EFFECTS :
Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - musculoskeletal system

MUTATION DATA

TYPE OF TEST :
Sex chromosome loss and nondisjunction
TEST SYSTEM :
Rodent - hamster Lung
DOSE/DURATION :
500 umol/L
REFERENCE :
MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 182,135,1987 *** REVIEWS *** IARC Cancer Review:Human Limited Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 41,319,1986 TOXICOLOGY REVIEW STEVA8 Science of the Total Environment. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1972- Volume(issue)/page/year: 2,305,1974 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X4154 No. of Facilities: 6 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 63 (estimated) No. of Female Employees: 23 (estimated)

 Safety Information

Symbol GHS05 GHS06 GHS09
GHS05, GHS06, GHS09
Signal Word Danger
Hazard Statements H300-H302-H311-H314-H411
Precautionary Statements P264-P273-P280-P301 + P310-P305 + P351 + P338-P310
Personal Protective Equipment dust mask type N95 (US);Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P2 (EN 143) respirator cartridges;type P3 (EN 143) respirator cartridges
Hazard Codes T:Toxic
Risk Phrases R22;R24;R34;R51/53
Safety Phrases S26-S36/37/39-S45-S61-S36/37-S16
RIDADR UN 2928 6.1/PG 2
WGK Germany 3
RTECS SK8575000
Packaging Group III
Hazard Class 6.1
HS Code 29081000

 Synthetic Route

 Customs

HS Code 2908199090
Summary HS: 2908199090. derivatives of polyphenols or phenol-alcohols containing only halogen substituents and their salts. VAT:17.0%. tax rebate rate:9.0%. supervision conditions:None. MFN tariff:5.5%. general tariff:30.0%

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 Synonyms

2,4-DCP
2,4-di-chlorophenol
Isobac
rcrawastenumberu081
EINECS 204-429-6
2,4-dlchlorophenol
DL-2,4,6-Trifluoro-Phe-OH
Phenol, 2,4-dichloro-
1,3-Dichloro-4-hydroxybenzene
2,4,6-TRIFLUORO-DL-PHENYLALANINE
2, 4-Dichlorophenol
2,4,6- TRIFLUORO -DL-PHENYLALANINE
2,4-Dichlorophenol
4,6-dichlorophenol
2,4-dichloro-Phenol
2,4-Cl-Ph-OH
MFCD00002169
2,4-Dichloropheno
2,4-dichloro-pheno
2,4-Dichlorphenol
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