CAS 94-80-4|2,4-D Butyl ester
| Common Name | 2,4-D Butyl ester | ||
|---|---|---|---|
| CAS Number | 94-80-4 | Molecular Weight | 277.144 |
| Density | 1.2±0.1 g/cm3 | Boiling Point | 343.9±27.0 °C at 760 mmHg |
| Molecular Formula | C12H14Cl2O3 | Melting Point | 9ºC |
| MSDS | ChineseUSA | Flash Point | 132.0±22.7 °C |
| Symbol | GHS07, GHS09 | Signal Word | Warning |
Names
| Name | 2,4-D-butyl |
|---|---|
| Synonym | More Synonyms |
2,4-D Butyl ester BiologicalActivity
| Description | 2,4-D Butyl ester is an organic phenoxy herbicide and used to control woody broad-leaf weeds. 2,4-D butyl ester produces its herbicidal effect by mimicking natural plant growth hormones causing plants to grow too rapidly to survive[1][2]. |
|---|---|
| Related Catalog | Research Areas >>OthersSignaling Pathways >>Others >>Others |
| References | [1]. Schulze GE, et, al. Formulation and food deprivation affects 2,4-D neurobehavioral toxicity in rats. Neurotoxicol Teratol. Sep-Oct 1987;9(5):363-7. [2]. Xiao L, et, al. Isolation and Characterization of 2,4-D Butyl Ester Degrading Acinetobacter sp. ZX02 from a Chinese Ginger Cultivated Soil. J Agric Food Chem. 2017 Aug 30;65(34):7345-7351. |
Chemical & Physical Properties
| Density | 1.2±0.1 g/cm3 |
|---|---|
| Boiling Point | 343.9±27.0 °C at 760 mmHg |
| Melting Point | 9ºC |
| Molecular Formula | C12H14Cl2O3 |
| Molecular Weight | 277.144 |
| Flash Point | 132.0±22.7 °C |
| Exact Mass | 276.032013 |
| PSA | 35.53000 |
| LogP | 4.25 |
| Vapour Pressure | 0.0±0.8 mmHg at 25°C |
| Index of Refraction | 1.518 |
| InChIKey | UQMRAFJOBWOFNS-UHFFFAOYSA-N |
| SMILES | CCCCOC(=O)COc1ccc(Cl)cc1Cl |
| Stability | Stable. Incompatible with strong oxidizing agents. |
| Water Solubility | <0.1 g/100 mL at 21 ºC |
Toxicological Information
CHEMICAL IDENTIFICATION |
ACUTE TOXICITY DATA - TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 600 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 9,423,1987
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 920 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(7-9),383,1966
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 425 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,29,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Unreported
- SPECIES OBSERVED :
- Rodent - mouse
- DOSE/DURATION :
- 380 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- HYSAAV Hygiene and Sanitation (USSR). English translation of GISAAA. (Springfield, VA) 1964-71. Discontinued. Volume(issue)/page/year: 31(7-9),383,1966
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Mammal - cat
- DOSE/DURATION :
- 780 mg/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- 85GMAT "Toxicometric Parameters of Industrial Toxic Chemicals Under Single Exposure," Izmerov, N.F., et al., Moscow, Centre of International Projects, GKNT, 1982 Volume(issue)/page/year: -,29,1982
- TYPE OF TEST :
- LD50 - Lethal dose, 50 percent kill
- ROUTE OF EXPOSURE :
- Administration onto the skin
- SPECIES OBSERVED :
- Rodent - rabbit
- DOSE/DURATION :
- >2 gm/kg
- TOXIC EFFECTS :
- Details of toxic effects not reported other than lethal dose value
- REFERENCE :
- FAATDF Fundamental and Applied Toxicology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1981- Volume(issue)/page/year: 9,423,1987 ** OTHER MULTIPLE DOSE TOXICITY DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 196 mg/kg/28W-I
- TOXIC EFFECTS :
- Liver - fatty liver degeneration Liver - other changes
- REFERENCE :
- GTPZAB Gigiena Truda i Professional'nye Zabolevaniya. Labor Hygiene and Occupational Diseases. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1-36, 1957-1992. For publisher information, see MTPEEI Volume(issue)/page/year: 30(7),48,1986
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- SPECIES OBSERVED :
- Rodent - rat
- DOSE/DURATION :
- 600 mg/kg/4D-I
- TOXIC EFFECTS :
- Behavioral - ataxia
- REFERENCE :
- NETEEC Neurotoxicology and Teratology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.9- 1987- Volume(issue)/page/year: 10,81,1988 ** REPRODUCTIVE DATA **
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1500 mg/kg
- SEX/DURATION :
- female 6-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - musculoskeletal system
- REFERENCE :
- TXAPA9 Toxicology and Applied Pharmacology. (Academic Press, Inc., 1 E. First St., Duluth, MN 55802) V.1- 1959- Volume(issue)/page/year: 22,14,1972
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 100 ug/kg
- SEX/DURATION :
- female 10 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Effects on Embryo or Fetus - fetal death
- REFERENCE :
- GISAAA Gigiena i Sanitariya. For English translation, see HYSAAV. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.1- 1936- Volume(issue)/page/year: 44(4),70,1979
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 1109 mg/kg
- SEX/DURATION :
- female 12-15 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
- REFERENCE :
- AECTCV Archives of Environmental Contamination and Toxicology. (Springer-Verlag New York, Inc., Service Center, 44 Hartz Way, Secaucus, NJ 070944) V.1- 1973- Volume(issue)/page/year: 6,33,1977
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Oral
- DOSE :
- 251 mg/kg
- SEX/DURATION :
- female 11 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - immune and reticuloendothelial system
- REFERENCE :
- TJADAB Teratology, The International Journal of Abnormal Development. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.1- 1968- Volume(issue)/page/year: 33,15,1986
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 900 mg/kg
- SEX/DURATION :
- female 6-14 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Effects on Embryo or Fetus - extra-embryonic structures (e.g., placenta, umbilical cord) Reproductive - Effects on Embryo or Fetus - fetotoxicity (except death, e.g., stunted fetus) Reproductive - Specific Developmental Abnormalities - eye/ear
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB223-160
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 900 mg/kg
- SEX/DURATION :
- female 6-14 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Specific Developmental Abnormalities - craniofacial (including nose and tongue)
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB223-160
- TYPE OF TEST :
- TDLo - Lowest published toxic dose
- ROUTE OF EXPOSURE :
- Subcutaneous
- DOSE :
- 414 mg/kg
- SEX/DURATION :
- female 6-14 day(s) after conception
- TOXIC EFFECTS :
- Reproductive - Fertility - pre-implantation mortality (e.g. reduction in number of implants per female; total number of implants per corpora lutea)
- REFERENCE :
- NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: PB223-160 *** REVIEWS *** IARC Cancer Review:Animal Inadequate 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: 15,111,1977 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** OCCUPATIONAL EXPOSURE LIMITS *** OEL-RUSSIA:STEL 0.5 mg/m3 JAN 1993 OEL-SWITZERLAND:TWA 10 mg/m3;STEL 50 mg/m3 JAN 1993 OEL-UNITED KINGDOM:TWA 10 mg/m3;STEL 20 mg/m3 JAN 1993
Safety Information
| Symbol | GHS07, GHS09 |
|---|---|
| Signal Word | Warning |
| Hazard Statements | H302-H317-H410 |
| Precautionary Statements | P273-P280-P501 |
| Personal Protective Equipment | Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter |
| Hazard Codes | Xn:Harmful |
| Risk Phrases | R22;R43;R50/53 |
| Safety Phrases | S26-S29-S36/37-S46-S60-S61 |
| RIDADR | UN 3082 |
| RTECS | AG8050000 |
| Packaging Group | III |
| Hazard Class | 6.1(b) |
| HS Code | 2918990090 |
Customs
| HS Code | 2918990090 |
|---|---|
| Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |
Articles25
More Articles| Biochemical alterations in skeletal muscle induced by 2,4-dichlorophenoxyacetic butyl ester during chick embryonic development. Biochem. Pharmacol. 40(11) , 2433-40, (1990) 2,4-Dichlorophenoxyacetic butyl ester (2,4-D b.e.) (3.1 mg/egg) was applied on fertile hen eggs before starting the incubation. Chicks hatched from treated eggs showed motor dysfunctions, postural tro... | |
| Formulation and food deprivation affects 2,4-D neurobehavioral toxicity in rats. Neurotoxicol. Teratol. 9(5) , 363-7, (1987) The herbicide 2,4-Dichlorophenoxyacetic acid (2,4-D) is a commonly used herbicide and one component of Agent Orange. The herbicide is commonly formulated as the butyl ester. The effects of a 50:50 mix... | |
| Neurobehavioral toxicity of 2,4-D-n-butyl ester (2,4-D ester): tolerance and lack of cross-tolerance. Neurotoxicol. Teratol. 10(1) , 75-9, (1988) Daily administration of 2,4-dichlorophenoxyacetic acid-n-butyl ester to rats (2,4-D ester, 150 mg/kg/day SC) initially produced depressions in photocell locomotor activity and increases in landing foo... |
Synonyms
| Lo-Estasol |
| 2,4-dichlorophenoxyacetic acid n-butyl ester |
| 2,4-D butyl ester |
| MFCD00126845 |
| Butyl (2,4-dichlorophenoxy)acetate |
| Barco Weed Killer |
| Acetic acid, 2-(2,4-dichlorophenoxy)-, butyl ester |
| 2,4-D n-butyl ester |
| Butyl 2,4-dichlorophenoxyacetate |
| Acetic acid, (2,4-dichlorophenoxy)-, butyl ester |
| butyl 2-(2,4-dichlorophenoxy)acetate |
| EINECS 202-364-8 |
| Acetic acid, (2, 4-dichlorophenoxy)-, butyl ester |
| De-Pester Ded-Weed |
| Diamond Shamrock Butyl |
| (2,4-Dichlorophenoxy)acetic acid butyl ester |
| 2,4-Dichlorophenoxyacetic acid butyl ester |
