WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 581374

CAS#: 94-75-7

Description: 2,4-Dichlorophenoxyacetic acid is used as a supplement in plant cell culture media. It is a synthetic auxin, which finds application as a plant growth regulator. It is also an active ingredient in herbicides that controls root elongation and cell production by disrupting the actin cytoskeleton.

Chemical Structure

CAS# 94-75-7

Theoretical Analysis

MedKoo Cat#: 581374
Name: 2,4-D
CAS#: 94-75-7
Chemical Formula: C8H6Cl2O3
Exact Mass: 219.97
Molecular Weight: 221.030
Elemental Analysis: C, 43.47; H, 2.74; Cl, 32.08; O, 21.71

Price and Availability

Size Price Availability Quantity
50g USD 200 2 Weeks
100g USD 310 2 Weeks
250g USD 490 2 Weeks
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Synonym: 2,4-D; 2,4-D acid; Chloroxone; Chloroxone; Macondray; Hedonal;

IUPAC/Chemical Name: 2,4-Dichlorophenoxyacetic acid


InChi Code: InChI=1S/C8H6Cl2O3/c9-5-1-2-7(6(10)3-5)13-4-8(11)12/h1-3H,4H2,(H,11,12)


Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 221.03 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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20: Ha DD. Anaerobic degradation of 2,4-dichlorophenoxyacetic acid by Thauera sp. DKT. Biodegradation. 2018 Oct;29(5):499-510. doi: 10.1007/s10532-018-9848-7. Epub 2018 Aug 13. PubMed PMID: 30105582.