4-Chlorophenoxyacetic Acid Sodium Salt
4-Chlorophenoxyacetic Acid Sodium Salt
CAS: 13730-98-8
Molecular Formula: C8H6ClNaO3
4-Chlorophenoxyacetic Acid Sodium Salt - Names and Identifiers
4-Chlorophenoxyacetic Acid Sodium Salt - Physico-chemical Properties
| Molecular Formula | C8H6ClNaO3 |
| Molar Mass | 208.57 |
| Melting Point | 164 °C |
| Boling Point | 315.2°C at 760 mmHg |
| Flash Point | 144.4°C |
| Solubility | Soluble in water |
| Vapor Presure | 0.000188mmHg at 25°C |
| Appearance | White needle-like or prismatic crystals |
| Color | White to Off-White |
| Storage Condition | Sealed in dry,Room Temperature |
| MDL | MFCD01743486 |
| Physical and Chemical Properties | White needle-like or prismatic crystals, slightly phenolic. The melting point was 154-156 °c. Soluble in water. Stable in nature, without deterioration after long-term storage. This product at low concentrations. Has the role of promoting plant growth, the effect of dicotyledonous plants is particularly obvious, but the high concentration but has inhibitory effect. Mouse oral LD50794mg/kg. |
| Use | Used as plant growth regulator |
4-Chlorophenoxyacetic Acid Sodium Salt - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | 36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
| HS Code | 29159000 |
4-Chlorophenoxyacetic Acid Sodium Salt - Reference Information
Open Data Unverified Data
| EPA chemical information | Information provided by: ofmpub.epa.gov (external link) |
| use | as a plant growth promoter, China stipulates that it is only used for bean sprouts, and the residual amount shall not exceed 1.0 mg/kg. Used as plant growth regulator |
| production method | using p-chlorophenol and chloroacetic acid as raw materials, the finished product is obtained by condensation and refining under alkaline conditions. Phenol is used as raw material to place phenol in a reaction kettle, heat and melt, add 15% sodium hydroxide, then add a mixed aqueous solution of chloroacetic acid and sodium carbonate, and heat and reflux for 4 hours. After the reactant is cooled, it is neutralized and acidified with hydrochloric acid to a pH value of 2~3 to generate phenoxyacetic acid with a yield of more than 82%. Phenoxyacetic acid is dissolved in glacial acetic acid, and under the catalysis of iodine, chlorine gas is slowly introduced at 26~34 ℃. The reactant is left overnight, p-chlorophenoxyacetic acid is precipitated in cold water, filtered, washed to neutral and dried, p-chlorophenoxyacetic acid is neutralized with sodium carbonate to obtain sodium salt. |
Last Update：2024-04-09 19:43:38
4-Chlorophenoxyacetic Acid Sodium Salt - Nature
Open Data Verified Data
White needle-like or diamond-like crystals, slightly phenolic. The melting point was 154-156 °c. Soluble in water. Stable in nature.
Last Update：2024-01-02 23:10:35
4-Chlorophenoxyacetic Acid Sodium Salt - Preparation Method
Open Data Verified Data
obtained by condensation, chlorination and neutralization of phenol and chloroacetic acid under alkaline conditions. It can also be obtained by condensation and purification of p-chlorophenol and chloroacetic acid as raw materials under alkaline conditions.
Last Update：2025-06-10 22:55:16
4-Chlorophenoxyacetic Acid Sodium Salt - Application
Open Data Verified Data
used as a growth promoter. At low concentration, it can promote the growth of plants, especially the effect of double leaves plants, but it has inhibitory effect at high concentration. For bean sprouts, residues should not exceed 1.0 mg/kg.
Last Update：2025-08-19 16:24:40
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