

share
2,5-Dichloro-4-Hydroxyphenoxyacetic Acid CAS NO 2639-78-3
Unit Price:
CAS No.:2639-78-3
Grade:Pharmacy Grade
Content:99.9%
Brand:Customizable
Packaging:Customizable
Description
2,5-Dichloro-4-Hydroxyphenoxyacetic Acid is a halogenated phenoxyacetic acid derivative, a key chemical intermediate valued for its structural versatility. This compound is essential for synthesizing more complex molecules, particularly in the agrochemical and pharmaceutical sectors, where its chlorinated aromatic core provides a crucial building block. It is primarily sought by R&D chemists and production specialists in fine chemical manufacturing for the development of herbicides, plant growth regulators, and active pharmaceutical ingredients (APIs).
Application
- Agrochemical Intermediate: A critical precursor in the synthesis of selective herbicides and plant growth regulators.
- Pharmaceutical Synthesis: Serves as a key building block for the development of active pharmaceutical ingredients (APIs) and other bioactive molecules.
- Chemical Research & Development: Used in academic and industrial R&D for exploring new synthetic pathways and creating novel chemical entities.
- Fine Chemical Production: Employed in the multi-step synthesis of complex, high-value specialty chemicals.
- Dye and Pigment Intermediate: Can be utilized in the synthesis of certain halogenated dyes and colorants.
Basic Information
| Product Name | 2,5-Dichloro-4-Hydroxyphenoxyacetic Acid |
| CAS No. | 2639-78-3 |
| Molecular Formula | C8H6Cl2O4 |
| Molecular Weight | 237.04 g/mol |
| Synonyms | 2,5-Dichloro-4-hydroxyphenoxyacetic acid; (2,5-Dichloro-4-hydroxyphenoxy)acetic acid; Acetic acid, (2,5-dichloro-4-hydroxyphenoxy)-; 4-Hydroxy-2,5-dichlorophenoxyacetic acid; 2,5-Dichloro-4-hydroxy-phenoxyacetic acid; 2,5-Dichloro-4-hydroxyphenoxy-acetic acid; DHPA (abbreviation); CAS 2639-78-3 |
| EINECS | 220-149-4 |
Quality Control
Our production of 2,5-Dichloro-4-Hydroxyphenoxyacetic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting customer specifications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and compliance with relevant industry standards.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be kept under dry conditions to prevent degradation. Keep away from incompatible materials.
Specification
| Item | Specification |
|---|---|
| Appearance | White to off-white crystalline powder |
| Identification (IR) | Conforms |
| Assay (HPLC) | ≥ 98.0% |
| Melting Point | Contact for details |
| Loss on Drying | ≤ 1.0% |
| Residue on Ignition | ≤ 0.1% |
| Heavy Metals (as Pb) | ≤ 20 ppm |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Pentyl (2,4,5-Trichlorophenoxy)Acetate CAS NO 120-39-8


Methylarsonic Acid CAS NO 124-58-3


2,2-Dichloropropionic Acid Sodium Salt CAS NO 127-20-8


Endothal-Sodium CAS NO 129-67-9


2,6-Dichlorobenzonitrile CAS NO 1194-65-6


2-(2,4-Dichlorophenoxy)Ethanamine CAS NO 1199-28-6


2,4-Db-2-Ethylhexyl Ester CAS NO 1320-15-6


Chempacific 38182 CAS NO 1620-78-6


Bromoxynil Octanoate CAS NO 1689-99-2


4-Methylphenylsulfonylurea CAS NO 1694-06-0


Chloridazon CAS NO 1698-60-8


Isobutyl 4-Chloro-o-Tolyloxyacetate CAS NO 1713-11-7


Isobutyl 2,4-Dichlorophenoxyacetate CAS NO 1713-15-1


2-Chloro-4-Isopropylamino-6-(3-Methoxypropylamino)-1,3,5-Triazine CAS NO 1824-09-5


2-(N,n-Diethylamino)-4-(-n-Isopropylamino)-6-Chloro-1,3,5-Triazine CAS NO 1912-25-0


Pentyl (2,4-Dichlorophenoxy)Acetate CAS NO 1917-92-6


Hexyl 2,4-Dichlorophenoxyacetate CAS NO 1917-95-9


Ethyl 2,4,5-Trichlorophenoxyacetate CAS NO 1928-39-8


2-Fluoro-n-Methyl-2',4',5'-Trichloroacetanilide CAS NO 10015-99-3


2-(4-Chlorophenoxy)Butyric Acid CAS NO 10310-19-7
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






