2,4-D Butyl ester

Modify Date: 2025-08-20 16:53:17

2,4-D Butyl ester Structure
2,4-D Butyl ester structure
 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 Chinese USA Flash Point 132.0±22.7 °C
Symbol GHS07 GHS09
GHS07, GHS09		 Signal Word Warning

 Use of 2,4-D Butyl ester


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].

 Names

Name 2,4-D-butyl
Synonym More Synonyms

 2,4-D Butyl ester Biological Activity

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
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
Stability Stable. Incompatible with strong oxidizing agents.
Water Solubility <0.1 g/100 mL at 21 ºC

 Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :
AG8050000
CHEMICAL NAME :
Acetic acid, (2,4-dichlorophenoxy)-, butyl ester
CAS REGISTRY NUMBER :
94-80-4
BEILSTEIN REFERENCE NO. :
2056085
LAST UPDATED :
199710
DATA ITEMS CITED :
21
MOLECULAR FORMULA :
C12-H14-Cl2-O3
MOLECULAR WEIGHT :
277.16
WISWESSER LINE NOTATION :
GR CG DO1VO4

HEALTH HAZARD DATA

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
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
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