2,4-Dichlorophenoxyacetic acid (CAS 94-75-7) — formula C8H6Cl2O3, molecular weight 219.97 g/mol; category food additives.
| CAS Number | 94-75-7 |
|---|---|
| Molecular Formula | C8H6Cl2O3 |
| Molecular Weight | 219.97 g/mol |
| Melting Point | 280 °F (NTP, 1992) |
| Boiling Point | BP: 160 °C at 4 mm Hg |
| LogP | 2.8 |
| Applications | Uses: Used as selective broadleaf herbicide with minor applications as a plant growth regulator and fungicide, Active ingredient in approximately 660 agricultural and home use products, [Reference #2] Other agricultural uses include conifer release, to enhance red color in potatoes, for uniform fruit ripening in tomatoes, and to increase latex output in old rubber trees, Was used as a component of the military defoliant Agent Orange, [HSDB] Since 1987, process changes have reduced the chance of 2, 4-D being contaminated with chlorinated dioxins, [ACGIH], Farming (Pesticides) [Category: Industry], For 2, 4-D (USEPA, OPP Pesticide Code: 030001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Herbicide used on, ... asparagus, cereals, corn, grasses, hay, rice, sorghum, soybeans (preplant), sugarcane, fallow land, pasture, rangeland, turf, and noncropland for control of annual mustard, Canada thistle, dandelion, lambsquarters, ragweed, etc. Many broadleaf crops (cotton, grapevines) are extremely sensitive. Aqua-Kleen for control of aquatic weeds in lakes and ponds. Citrus Fix in lemon packinghouses, prevents preharvest drop of mature citrus. Pyresta controls broadleaf weeds and susceptible woody plants. Cimarron Max for pastures, rangeland or established grasses on acres enrolled in conservation reserve programs. Restore II for pastures and rangelands. Rush 24 for use on barley and wheat (spring, durum)., Used post-emergence for selective control of broadleaf weeds. ... registered for use on a variety of food, feed sites including field, fruit and vegetable crops. ... also registered for use on turf, lawns, rights-of-way, aquatic sites, forestry applications ... used as a plant growth regulator in citrus., 2, 4-D, its salts & esters are systemic herbicides, widely used for weed control in cereals and other crops, For more Uses (Complete) data for 2, 4-D (7 total), please visit the HSDB record page., 4-D is is an agrochemical - a substance that is used in agriculture or horticulture. It is a broadleaf herbicide, which when sprayed or dusted on plants causes its leaves to fall off, and functions as a synthetic auxin. 2, 4-D is commonly found in lawn care products, wheat, and other grass family herbicides, forestry products, treatments for roadside weeds, and aquatic weed control products., Use Classification: Chemical Classes -> Pesticides (chemicals used for killing pests, such as rodents, insects, or plants), Transformation products, Herbicides, Plant growth regulators, Environmental transformation -> Pesticides (parent, predecessor), HERBICIDES, Industry Uses: Intermediate, Other, Household Products: Information on 38 consumer products that contain 2, 4-Dichlorophenoxyacetic acid (2, 4-D) in the following categories is provided:, • Landscaping, Yard, • Pesticides, Methods of Manufacturing: 2, 4-D is produced by interaction of 2, 4-dichlorophenolate with monochloroacetic acid., Reaction of 2, 4-dichlorophenol and chloroacetic acid in aqueous sodium hydroxide., Impurities: Major impurities, found, in technical 2, 4-D: 2, 6-Dichlorophenoxyacetic acid, 0.5-1.5%, 2-Monochlorophenoxyacetic acid, 0.1-0.5%, 4-Monochlorophenoxyacetic acid, 0.2-0.8%, Bis(2, 4-dichlorophenoxy) acetic acid, 0.1-2.0%, ... 2-Chlorophenol, 0.0004-0.04%, 4-Chlorophenol, 0.0004-0.005%, Water, 0.1-0.8%., 4-Dichlorophenol, Chlorinated diphenyl ethers, Bis-2, 4-dichlorophenoxymethane, ... di- and tri-chlorodibenzofurans and chlorodibenzo-p-dioxins., Analysis of 28 samples of technical 2, 4-D by gas chromatography showed that hexachlorodioxins were present in only one sample, at less than 10 ppm. The dioxin most likely to be formed (2, 7-dichlorodibenzo-p-dioxin) was not found. The major impurity in technical 2, 4-D was identified as bis-(2, 4-dichlorophenoxy)methane, at 30 ppm., Wastes from 2, 4-D production may contain a number of constituents, including 2, 4-dichlorophenol, 6-dichlorophenol, 4, 6-trichlorophenol, and chlorophenol polymers., For more Impurities (Complete) data for 2, 4-D (6 total), Formulations, Preparations: The National Pesticide Information Retrieval System (NPIRS) identifies 26 companies with active labels for products containing the chemical 2, 4-D. To view the complete list of companies, product names and percent 2, 4-D in formulated products click the following url and enter the CAS Registry number in the Active Ingredient field., Paramount BW Herbicide (BASF Corporation): Active ingredient: 2, 4-D 60.0%, quinclorac 15.0%., 4-D Acid Molten Technical (DOW AgroSciences LLC): Active ingredient: 2, 4-D 74.8%., 4-Dichlorophenoxy Acetic Acid Flake (DOW AgroSciences LLC): Active ingredient: 2, 4-D 97.0%., For more Formulations, Preparations (Complete) data for 2, 4-D (67 total), Consumption Patterns: HERBICIDE FOR PASTURE & RANGELAND, 26%, FOR WHEAT, FOR CORN, 14%, FOR OTHER GRAINS EXCEPT SORGHUM, 12%, FOR INDUSTRIAL, COMMERCIAL USES, 11%, FOR LAWNS & TURF, 3%, FOR AQUATIC USES, 3%: FOR GRAIN SORGHUM, FOR OTHER FIELD CROPS-EG, CITRUS, FRUITS, NUTS, & VEGETABLES, 2%, (1982), 75% AS A SELECTIVE HERBICIDE FOR BROADLEAF WEEDS & BRUSH, ON SMALL GRAINS, CORN, SORGHUM, RICE, OTHER MINOR CROPS, & GRAZING LAND, 13% FOR INDUSTRIAL & COMMERCIAL USE ON NON-CROPLAND, 6% BY GOVERNMENT AGENCIES ON NON-CROPLAND, 6% FOR HOME & GARDEN USE ON TURF (1972)., PASTURE & RANGELANDS, WHEAT, INDUSTRIAL, LAWNS & TURF, 4%, AQUATIC USES, GRAIN SORGHUM, 1%, OTHER GRAINS, OTHER FIELD CROPS-EG, DECIDUOUS NUTS & FRUITS, 2% (1982)., U.S. Production: 2023: 75, 000, 000 - <150, 000 lb, 2022: 75, 2021: 75, 2020: 75, (1978) 2.19X10+10 G-DEMAND (2, 4-D INCL |
| Category | Antioxidants |
Documented applications: Uses: Used as selective broadleaf herbicide with minor applications as a plant growth regulator and fungicide, Active ingredient in approximately 660 agricultural and home use products, [Reference #2] Other agricultural uses include conifer release, to enhance red color in potatoes, for uniform fruit ripening in tomatoes, and to increase latex output in old rubber trees, Was used as a component of the military defoliant Agent Orange, [HSDB] Since 1987, process changes have reduced the chance of 2, 4-D being contaminated with chlorinated dioxins, [ACGIH], Farming (Pesticides) [Category: Industry], For 2, 4-D (USEPA, OPP Pesticide Code: 030001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Herbicide used on, ... asparagus, cereals, corn, grasses, hay, rice, sorghum, soybeans (preplant), sugarcane, fallow land, pasture, rangeland, turf, and noncropland for control of annual mustard, Canada thistle, dandelion, lambsquarters, ragweed, etc. Many broadleaf crops (cotton, grapevines) are extremely sensitive. Aqua-Kleen for control of aquatic weeds in lakes and ponds. Citrus Fix in lemon packinghouses, prevents preharvest drop of mature citrus. Pyresta controls broadleaf weeds and susceptible woody plants. Cimarron Max for pastures, rangeland or established grasses on acres enrolled in conservation reserve programs. Restore II for pastures and rangelands. Rush 24 for use on barley and wheat (spring, durum)., Used post-emergence for selective control of broadleaf weeds. ... registered for use on a variety of food, feed sites including field, fruit and vegetable crops. ... also registered for use on turf, lawns, rights-of-way, aquatic sites, forestry applications ... used as a plant growth regulator in citrus., 2, 4-D, its salts & esters are systemic herbicides, widely used for weed control in cereals and other crops, For more Uses (Complete) data for 2, 4-D (7 total), please visit the HSDB record page., 4-D is is an agrochemical - a substance that is used in agriculture or horticulture. It is a broadleaf herbicide, which when sprayed or dusted on plants causes its leaves to fall off, and functions as a synthetic auxin. 2, 4-D is commonly found in lawn care products, wheat, and other grass family herbicides, forestry products, treatments for roadside weeds, and aquatic weed control products., Use Classification: Chemical Classes -> Pesticides (chemicals used for killing pests, such as rodents, insects, or plants), Transformation products, Herbicides, Plant growth regulators, Environmental transformation -> Pesticides (parent, predecessor), HERBICIDES, Industry Uses: Intermediate, Other, Household Products: Information on 38 consumer products that contain 2, 4-Dichlorophenoxyacetic acid (2, 4-D) in the following categories is provided:, • Landscaping, Yard, • Pesticides, Methods of Manufacturing: 2, 4-D is produced by interaction of 2, 4-dichlorophenolate with monochloroacetic acid., Reaction of 2, 4-dichlorophenol and chloroacetic acid in aqueous sodium hydroxide., Impurities: Major impurities, found, in technical 2, 4-D: 2, 6-Dichlorophenoxyacetic acid, 0.5-1.5%, 2-Monochlorophenoxyacetic acid, 0.1-0.5%, 4-Monochlorophenoxyacetic acid, 0.2-0.8%, Bis(2, 4-dichlorophenoxy) acetic acid, 0.1-2.0%, ... 2-Chlorophenol, 0.0004-0.04%, 4-Chlorophenol, 0.0004-0.005%, Water, 0.1-0.8%., 4-Dichlorophenol, Chlorinated diphenyl ethers, Bis-2, 4-dichlorophenoxymethane, ... di- and tri-chlorodibenzofurans and chlorodibenzo-p-dioxins., Analysis of 28 samples of technical 2, 4-D by gas chromatography showed that hexachlorodioxins were present in only one sample, at less than 10 ppm. The dioxin most likely to be formed (2, 7-dichlorodibenzo-p-dioxin) was not found. The major impurity in technical 2, 4-D was identified as bis-(2, 4-dichlorophenoxy)methane, at 30 ppm., Wastes from 2, 4-D production may contain a number of constituents, including 2, 4-dichlorophenol, 6-dichlorophenol, 4, 6-trichlorophenol, and chlorophenol polymers., For more Impurities (Complete) data for 2, 4-D (6 total), Formulations, Preparations: The National Pesticide Information Retrieval System (NPIRS) identifies 26 companies with active labels for products containing the chemical 2, 4-D. To view the complete list of companies, product names and percent 2, 4-D in formulated products click the following url and enter the CAS Registry number in the Active Ingredient field., Paramount BW Herbicide (BASF Corporation): Active ingredient: 2, 4-D 60.0%, quinclorac 15.0%., 4-D Acid Molten Technical (DOW AgroSciences LLC): Active ingredient: 2, 4-D 74.8%., 4-Dichlorophenoxy Acetic Acid Flake (DOW AgroSciences LLC): Active ingredient: 2, 4-D 97.0%., For more Formulations, Preparations (Complete) data for 2, 4-D (67 total), Consumption Patterns: HERBICIDE FOR PASTURE & RANGELAND, 26%, FOR WHEAT, FOR CORN, 14%, FOR OTHER GRAINS EXCEPT SORGHUM, 12%, FOR INDUSTRIAL, COMMERCIAL USES, 11%, FOR LAWNS & TURF, 3%, FOR AQUATIC USES, 3%: FOR GRAIN SORGHUM, FOR OTHER FIELD CROPS-EG, CITRUS, FRUITS, NUTS, & VEGETABLES, 2%, (1982), 75% AS A SELECTIVE HERBICIDE FOR BROADLEAF WEEDS & BRUSH, ON SMALL GRAINS, CORN, SORGHUM, RICE, OTHER MINOR CROPS, & GRAZING LAND, 13% FOR INDUSTRIAL & COMMERCIAL USE ON NON-CROPLAND, 6% BY GOVERNMENT AGENCIES ON NON-CROPLAND, 6% FOR HOME & GARDEN USE ON TURF (1972)., PASTURE & RANGELANDS, WHEAT, INDUSTRIAL, LAWNS & TURF, 4%, AQUATIC USES, GRAIN SORGHUM, 1%, OTHER GRAINS, OTHER FIELD CROPS-EG, DECIDUOUS NUTS & FRUITS, 2% (1982)., U.S. Production: 2023: 75, 000, 000 - <150, 000 lb, 2022: 75, 2021: 75, 2020: 75, (1978) 2.19X10+10 G-DEMAND (2, 4-D INCL.
2,4-Dichlorophenoxyacetic acid is a food-grade compound with CAS registry number 94-75-7 and molecular formula C8H6Cl2O3 (molecular weight 219.97 g/mol), belonging to the food additives segment of chemical raw materials.
CAS number: 94-75-7
Its molecular formula C8H6Cl2O3 comprises 8 C, 6 H, 2 Cl, 3 O atoms.
Also known as: 2,4-Dichlorophenoxyacetic acid · 2,4-二氯苯氧乙酸
Category: food additives
The CAS registry number of 2,4-Dichlorophenoxyacetic acid is 94-75-7.
Molecular formula C8H6Cl2O3, molecular weight 219.97 g/mol.
It is also registered under: 2,4-Dichlorophenoxyacetic acid, 2,4-二氯苯氧乙酸.
Recorded applications: Uses: Used as selective broadleaf herbicide with minor applications as a plant growth regulator and fungicide, Active ingredient in approximately 660 agricultural and home use products, [Reference #2] Other agricultural uses include conifer release, to enhance red color in potatoes, for uniform fruit ripening in tomatoes, and to increase latex output in old rubber trees, Was used as a component of the military defoliant Agent Orange, [HSDB] Since 1987, process changes have reduced the chance of 2, 4-D being contaminated with chlorinated dioxins, [ACGIH], Farming (Pesticides) [Category: Industry], For 2, 4-D (USEPA, OPP Pesticide Code: 030001) ACTIVE products with label matches., SRP: Registered for use in the U.S. but approved pesticide uses may change periodically and so federal, state and local authorities must be consulted for currently approved uses., Herbicide used on, ... asparagus, cereals, corn, grasses, hay, rice, sorghum, soybeans (preplant), sugarcane, fallow land, pasture, rangeland, turf, and noncropland for control of annual mustard, Canada thistle, dandelion, lambsquarters, ragweed, etc. Many broadleaf crops (cotton, grapevines) are extremely sensitive. Aqua-Kleen for control of aquatic weeds in lakes and ponds. Citrus Fix in lemon packinghouses, prevents preharvest drop of mature citrus. Pyresta controls broadleaf weeds and susceptible woody plants. Cimarron Max for pastures, rangeland or established grasses on acres enrolled in conservation reserve programs. Restore II for pastures and rangelands. Rush 24 for use on barley and wheat (spring, durum)., Used post-emergence for selective control of broadleaf weeds. ... registered for use on a variety of food, feed sites including field, fruit and vegetable crops. ... also registered for use on turf, lawns, rights-of-way, aquatic sites, forestry applications ... used as a plant growth regulator in citrus., 2, 4-D, its salts & esters are systemic herbicides, widely used for weed control in cereals and other crops, For more Uses (Complete) data for 2, 4-D (7 total), please visit the HSDB record page., 4-D is is an agrochemical - a substance that is used in agriculture or horticulture. It is a broadleaf herbicide, which when sprayed or dusted on plants causes its leaves to fall off, and functions as a synthetic auxin. 2, 4-D is commonly found in lawn care products, wheat, and other grass family herbicides, forestry products, treatments for roadside weeds, and aquatic weed control products., Use Classification: Chemical Classes -> Pesticides (chemicals used for killing pests, such as rodents, insects, or plants), Transformation products, Herbicides, Plant growth regulators, Environmental transformation -> Pesticides (parent, predecessor), HERBICIDES, Industry Uses: Intermediate, Other, Household Products: Information on 38 consumer products that contain 2, 4-Dichlorophenoxyacetic acid (2, 4-D) in the following categories is provided:, • Landscaping, Yard, • Pesticides, Methods of Manufacturing: 2, 4-D is produced by interaction of 2, 4-dichlorophenolate with monochloroacetic acid., Reaction of 2, 4-dichlorophenol and chloroacetic acid in aqueous sodium hydroxide., Impurities: Major impurities, found, in technical 2, 4-D: 2, 6-Dichlorophenoxyacetic acid, 0.5-1.5%, 2-Monochlorophenoxyacetic acid, 0.1-0.5%, 4-Monochlorophenoxyacetic acid, 0.2-0.8%, Bis(2, 4-dichlorophenoxy) acetic acid, 0.1-2.0%, ... 2-Chlorophenol, 0.0004-0.04%, 4-Chlorophenol, 0.0004-0.005%, Water, 0.1-0.8%., 4-Dichlorophenol, Chlorinated diphenyl ethers, Bis-2, 4-dichlorophenoxymethane, ... di- and tri-chlorodibenzofurans and chlorodibenzo-p-dioxins., Analysis of 28 samples of technical 2, 4-D by gas chromatography showed that hexachlorodioxins were present in only one sample, at less than 10 ppm. The dioxin most likely to be formed (2, 7-dichlorodibenzo-p-dioxin) was not found. The major impurity in technical 2, 4-D was identified as bis-(2, 4-dichlorophenoxy)methane, at 30 ppm., Wastes from 2, 4-D production may contain a number of constituents, including 2, 4-dichlorophenol, 6-dichlorophenol, 4, 6-trichlorophenol, and chlorophenol polymers., For more Impurities (Complete) data for 2, 4-D (6 total), Formulations, Preparations: The National Pesticide Information Retrieval System (NPIRS) identifies 26 companies with active labels for products containing the chemical 2, 4-D. To view the complete list of companies, product names and percent 2, 4-D in formulated products click the following url and enter the CAS Registry number in the Active Ingredient field., Paramount BW Herbicide (BASF Corporation): Active ingredient: 2, 4-D 60.0%, quinclorac 15.0%., 4-D Acid Molten Technical (DOW AgroSciences LLC): Active ingredient: 2, 4-D 74.8%., 4-Dichlorophenoxy Acetic Acid Flake (DOW AgroSciences LLC): Active ingredient: 2, 4-D 97.0%., For more Formulations, Preparations (Complete) data for 2, 4-D (67 total), Consumption Patterns: HERBICIDE FOR PASTURE & RANGELAND, 26%, FOR WHEAT, FOR CORN, 14%, FOR OTHER GRAINS EXCEPT SORGHUM, 12%, FOR INDUSTRIAL, COMMERCIAL USES, 11%, FOR LAWNS & TURF, 3%, FOR AQUATIC USES, 3%: FOR GRAIN SORGHUM, FOR OTHER FIELD CROPS-EG, CITRUS, FRUITS, NUTS, & VEGETABLES, 2%, (1982), 75% AS A SELECTIVE HERBICIDE FOR BROADLEAF WEEDS & BRUSH, ON SMALL GRAINS, CORN, SORGHUM, RICE, OTHER MINOR CROPS, & GRAZING LAND, 13% FOR INDUSTRIAL & COMMERCIAL USE ON NON-CROPLAND, 6% BY GOVERNMENT AGENCIES ON NON-CROPLAND, 6% FOR HOME & GARDEN USE ON TURF (1972)., PASTURE & RANGELANDS, WHEAT, INDUSTRIAL, LAWNS & TURF, 4%, AQUATIC USES, GRAIN SORGHUM, 1%, OTHER GRAINS, OTHER FIELD CROPS-EG, DECIDUOUS NUTS & FRUITS, 2% (1982)., U.S. Production: 2023: 75, 000, 000 - <150, 000 lb, 2022: 75, 2021: 75, 2020: 75, (1978) 2.19X10+10 G-DEMAND (2, 4-D INCL.
Category: Antioxidants.
Independent reference data for 2,4-Dichlorophenoxyacetic acid (CAS 94-75-7), compiled from public chemistry databases.
| CAS Registry Number | 94-75-7 |
|---|---|
| PubChem CID | 1486 |
| Molecular formula | C8H6Cl2O3 |
| Molecular weight | 219.97 g/mol |
| IUPAC name | 2-(2,4-dichlorophenoxy)acetic acid |
| InChIKey | OVSKIKFHRZPJSS-UHFFFAOYSA-N |
| UNII (FDA) | 2577AQ9262 |
| ChEBI ID | CHEBI:28854 |
| Molecular Weight | 221.03 |
|---|---|
| XLogP3 | 2.8 |
| Hydrogen Bond Donor Count | 1 |
| Hydrogen Bond Acceptor Count | 3 |
| Rotatable Bond Count | 3 |
| Exact Mass | 219.9693994 |
| Monoisotopic Mass | 219.9693994 |
| Topological Polar Surface Area | 46.5 |
| Heavy Atom Count | 13 |
| Boiling Point | BP: 160 °C at 4 mm Hg |
|---|---|
| Melting Point | 280 °F (NTP, 1992) |
| Melting Point | 138 °C |
| Melting Point | 140.5 °C |
| Melting Point | 140 °C |
| Melting Point | 280 °F |
| Solubility | In water, 677 ppm at 25 °C |
| Solubility | In water, 540 ppm at 20 °C |
| Solubility | 0.677 mg/mL at 25 °C |
| Solubility | 0.05% |
2,4-dichlorophenoxyacetic acid; 94-75-7; 2-(2,4-dichlorophenoxy)acetic acid; 2,4-D; (2,4-Dichlorophenoxy)acetic acid; Dicopur; B-Selektonon; Fernimine; Netagrone; Amoxone; Ipaner; Pielik; Rhodia; Chloroxone; Vergemaster; Agrotect
| Reported hazard statements | H302, H317, H318, H335, H412, H312 (14.6%), H334 (14.6%), H400 (26.1%) |
|---|
H302: Harmful if swallowed [Warning Acute toxicity, oral]
H317: May cause an allergic skin reaction [Warning Sensitization, Skin]
2,4-Dichlorophenoxyacetic acid is identified by CAS 94-75-7, molecular formula C8H6Cl2O3 and molecular weight 219.97 g/mol. UNII 2577AQ9262; ChEBI 28854; InChIKey OVSKIKFHRZPJSS-UHFFFAOYSA-N. Boiling Point: BP: 160 °C at 4 mm Hg; Melting Point: 280 °F (NTP, 1992); Melting Point: 138 °C.
Source: PubChem / Wikidata; the batch COA governs where values differ.
Supplier: Jinan Shenghe Chemical Co., Ltd.
中文页面: 2,4-二氯苯氧乙酸