(2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate
(2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate (CAS: 7084-86-8) is a synthetic auxin and a derivative of 2,4-D. With a molecular weight of 261.03 g/mol, this compound is primarily recognised for its application in plant biotechnology and tissue culture. It is a key component in various media formulations, supporting plant cell growth and differentiation. Its utility extends to broader agricultural contexts as a selective herbicide.
- IUPAC
- 2,4-D sodium salt monohydrate,Sodium 2,4-dichlorophenoxyacetate monohydrate
- Synonyms
- 2,4-D sodium salt monohydrateSodium 2,4-dichlorophenoxyacetate monohydrate

Plant Cell Culture Media
Incorporated into plant cell culture media, such as Murashige and Skoog formulations, to promote cell proliferation and differentiation.
Plant Biotechnology
Essential in plant biotechnology research for manipulating plant growth and development at the cellular level.
Herbicide
Utilised as a selective herbicide in agricultural applications for weed control.
| Molecular weight | 261.03 |
|---|---|
| Empirical formula | C8H5Cl2NaO3 · H2O |
| Solubility | H2O: soluble |
| Application | 2,4-Dichlorophenoxyacetic acid (2,4-D) is a synthetic auxin (plant hormone) used in plant cell culture media such as Murashige and Skoog media. 2,4-D is also a widely used herbicide. |
| Suitability | plant cell culture tested |



Hazard statements
- H302Harmful if swallowed
- H318Causes serious eye damage
- H334May cause allergy or asthma symptoms if inhaled
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P342
| Protective equipment | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3077 9 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xn,N |
| Risk statements (R) | 22-41-43-51/53 |
| Safety statements (S) | 24/25-26-36/37/39-46-61 |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is (2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate used for?
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(2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate is used as a synthetic auxin in plant cell culture media, in plant biotechnology, and as a herbicide.
What are the CAS number and formula for this compound?
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The CAS number is 7084-86-8, and the empirical formula (Hill notation) is C8H5Cl2NaO3 · H2O.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies (2,4-Dichlorophenoxy)acetic acid sodium salt monohydrate tested for plant cell culture suitability. TSS does not represent this product as USP, BP, or EP grade.
How should this chemical be handled safely?
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This compound is hazardous and requires careful handling. It is harmful if swallowed, causes serious eye damage, and may cause allergy or asthma symptoms or breathing difficulties if inhaled. Use a dust mask, eyewash, face shield, and gloves. Refer to the Safety Data Sheet for full details.
Is this chemical shipped internationally?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, and this product can be exported.
How can I request a sample or quote?
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To request a sample or a quote, please contact the TSS sales team through our website or by phone.
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