2976-74-1
2,3-Dichlorophenoxyacetic acid
CAS: 2976-74-1
Molecular Formula: C8H6Cl2O3
2976-74-1 - Names and Identifiers
| Name | 2,3-Dichlorophenoxyacetic acid |
| Synonyms | 2,3-D NSC 74462 2,3-d (iso) 2,3-d solution (2,3-dichlorophenoxy)acetate 2,3-Dichlorophenoxyacetic acid 2,3-DICHLOROPHENOXYACETIC ACID 2-(2,3-Dichlorophenoxy)ethanoic acid Acetic acid, (2,3-dichlorophenoxy)- (8CI)(9CI) |
| CAS | 2976-74-1 |
| EINECS | 221-022-9 |
| InChI | InChI=1/C8H6Cl2O3/c9-5-2-1-3-6(8(5)10)13-4-7(11)12/h1-3H,4H2,(H,11,12)/p-1 |
2976-74-1 - Physico-chemical Properties
| Molecular Formula | C8H6Cl2O3 |
| Molar Mass | 221.04 |
| Density | 1.4564 (rough estimate) |
| Melting Point | 172-175 °C |
| Boling Point | 316.96°C (rough estimate) |
| Flash Point | 164.5°C |
| Water Solubility | 342.6mg/L(25 ºC) |
| Solubility | DMSO (Slightly), Methanol (Slightly) |
| Vapor Presure | 1.9E-05mmHg at 25°C |
| Appearance | Solid |
| Color | White |
| BRN | 1963475 |
| pKa | 2.96±0.10(Predicted) |
| Storage Condition | Sealed in dry,Room Temperature |
| Refractive Index | 1.5000 (estimate) |
| MDL | MFCD00004299 |
2976-74-1 - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R23/24/25 - Toxic by inhalation, in contact with skin and if swallowed. |
| Safety Description | S37/39 - Wear suitable gloves and eye/face protection S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S45 - In case of accident or if you feel unwell, seek medical advice immediately (show the label whenever possible.) S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. S16 - Keep away from sources of ignition. S24/25 - Avoid contact with skin and eyes. |
| UN IDs | 2811 |
| HS Code | 29163990 |
| Hazard Note | Corrosive |
| Hazard Class | 6.1(b) |
| Packing Group | III |
2976-74-1 - Introduction
2,3-dichlorophenoxyacetic acid is an organic compound with the chemical formula C8H5Cl2O3. The following is an introduction to some of its properties, uses, formulation and safety information:
Nature:
- 2,3-dichlorophenoxyacetic acid is a colorless to yellowish crystalline solid.
-It is slightly soluble in water and more soluble in organic solvents.
-It is weakly acidic and can be dehydrated to form colorless 2,3-dichlorophenol.
- 2,3-dichlorophenoxyacetic acid has strong toxicity.
Use:
- 2,3-dichlorophenoxyacetic acid is a commonly used plant growth regulator, commonly used to promote the growth of fruit trees and vegetables and control the growth of weeds.
-It is also used in the preparation of chemical herbicides and can be used as a precursor for pesticides.
Method:
-The synthesis of 2,3-dichlorophenoxyacetic acid is usually obtained by esterification of phenol with chloroacetic acid.
Safety Information:
- 2,3-dichlorophenoxyacetic acid has high toxicity and is a potential threat to humans and the environment.
-Avoid inhalation or contact with skin, eyes and clothing during use and storage.
-Appropriate protective equipment, including goggles, gloves and protective clothing, must be worn during operation.
-In case of accidental contact, rinse the affected area immediately with plenty of water and seek medical attention immediately.
-Store out of the reach of children and pets and comply with local waste disposal regulations.
Nature:
- 2,3-dichlorophenoxyacetic acid is a colorless to yellowish crystalline solid.
-It is slightly soluble in water and more soluble in organic solvents.
-It is weakly acidic and can be dehydrated to form colorless 2,3-dichlorophenol.
- 2,3-dichlorophenoxyacetic acid has strong toxicity.
Use:
- 2,3-dichlorophenoxyacetic acid is a commonly used plant growth regulator, commonly used to promote the growth of fruit trees and vegetables and control the growth of weeds.
-It is also used in the preparation of chemical herbicides and can be used as a precursor for pesticides.
Method:
-The synthesis of 2,3-dichlorophenoxyacetic acid is usually obtained by esterification of phenol with chloroacetic acid.
Safety Information:
- 2,3-dichlorophenoxyacetic acid has high toxicity and is a potential threat to humans and the environment.
-Avoid inhalation or contact with skin, eyes and clothing during use and storage.
-Appropriate protective equipment, including goggles, gloves and protective clothing, must be worn during operation.
-In case of accidental contact, rinse the affected area immediately with plenty of water and seek medical attention immediately.
-Store out of the reach of children and pets and comply with local waste disposal regulations.
Last Update：2024-04-10 22:29:15
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