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2,4-Dichlorophenoxyacetic acid (2,4-D)

Primary Chemical Name :

Primary Chemical Name is the standard name assigned to a chemical substance.

2,4-Dichlorophenoxyacetic acid (2,4-D)
CAS Registry Number:

Chemical Abstracts Service Registry Number is a unique identifier for a chemical and its synonyms. CAS numbers identify the chemical, but not its concentration or specific mixture.  CAS Registry Numbers are assigned by the Chemical Abstracts Service, a division of the American Chemical Society. For more information: www.cas.org

We have assigned ID numbers (with 6 leading zeros or nines, e.g., 000000-xx-x or 999999-xx-x) for blends and chemicals that do not have CAS numbers.

EC Number:

The EC Number, formerly known as the EINECS number is a unique 7-digit number (format: xxx-xxx-x) assigned to chemicals registered with the European Chemicals Agency (ECHA).


Synonyms are alternative names that represent the same chemical substance.

(2,4-Dichlorophenyloxy)acetic acid;2,4-Dichlorophenoxyacetic acid; Acetic acid,(2,4-dichlorophenoxy)-;Dichlorophenoxyacetic acid;Phenoxyacetic acid, 2,4-dichloro-;2,4-D; 2,4-D; (2,4-Dichloor-fenoxy)-azijnzuur; (2,4-Dichlorophenyloxy)acetic acid; 2,4-D acid; Agricorn D; Agrotect; Amoxone; Barrage; Chloroxone; Deherba; Dichlorophenoxyacetic acid; Dicopur; Dormon; Emulsamine; Envert DT; Estone; Fernesta; Fernimine; Ferxone; Hedonal; Herbidal; Ipaner; Macondray; Moxon; Pennamine D; Phenox; Phenoxyacetic acid, 2,4-dichloro-; Tributon; Vergemaster; Weedatul; Weedone; Weedtrol

SVHC is a substance (identified by the European Chemicals Agency) that may have serious and often irreversible effects on human health and the environment. SVHC are defined in Article 57 of Regulation (EC) No 1907/2006 (“the REACH Regulation”) and include substances which are:
1.  Carcinogenic, Mutagenic or toxic to Reproduction (CMR), meeting the criteria for classification in category 1 or 2 in accordance with Directive 67/548/EEC or in category 1a or 1b in accordance with EC No 1272/2008This directive was recently replaced by the new EU regulation (EC) No 1272/2008.
2.  Persistent, Bioaccumulative and Toxic (PBT) or very Persistent and very Bioaccumulative (vPvB) according to the criteria in Annex XIII of the REACH Regulation, or
3.  Identified, on a case-by-case basis, from scientific evidence as causing probable serious effects to human health or the environment of an equivalent level of concern as those above (e.g. endocrine disrupters).


Sources for Information on Chemicals

List of 38 Brands that contain this chemical

Product Category

Scotts STEP 3 Lawn Food With 2 Percent Iron, (32-0-4)-12/04/2015

granules 1.21
Vigoro Ultra Turf Lawn Weed Control granules 1.37
Vigoro Ultra Turf Weed & Feed granules 0.64
Vigoro Ultra Turf Weed & Feed for Bahia and Mixed Lawns granules 0.64
Vigoro Ultra Turf Winterizer Weed & Feed granules 0.64
Miracle-Gro Weed And Feed 27-3-6-Old Product granules --
Scotts LawnPro Step 2 Weed Control Plus Fertilizer 29-3-3-Old Product granules --
Scotts LawnPro Super Winterizer with Plus 2 Weed Control 24-3-12-Old Product granules --
Scotts Turf Builder Plus 2 Lawn Fertilizer 28-3-3 & Weed Control Mecoprop-Old Product granules --
Scotts Turf Builder Pro Lawn Fertilizer 29-3-3 and 0.50% Mecoprop-P Weed Control-Old Product granules --
Scotts Turf Builder with Plus 2 Weed Control-02/14/2002-Old Product granules --
Scotts Turf Builder with Plus 2 Weed Control-Old Product granules --
Scotts Weed and Feed 22-3-3-Old Product granules --
Scotts Wintercare Plus 2 Fall Lawn Fertiliz 22-4-11 & Mecoprop Weed Contr.-2/14/2003-Old Product granules --
Scotts Wintercare Plus 2 Fall Lawn Fertiliz 22-4-11 & Mecoprop Weed Contr.-10/18/2002-Old Product granules --
Scotts Wintercare Plus 2 Fall Lawn Fertilizer 26-3-12 and 0.605% Mecoprop-P Weed Con.-Old Product granules --
Scotts Winterizer with Plus 2 Weed Control-10/18/2002-Old Product granules --
Scotts Winterizer with Plus 2 Weed Control-Old Product granules --
Spectracide Weed Stop Weed Killer for Lawns, Ready-to-Use Spray-Old Product liquid 0.493

Bonide DuraTurf Crabgrass Plus, Crabgrass & Broadleaf Weed Killer-02/18/2016

granules 0.675

Bonide DuraTurf Weed & Feed Phase 2 with Slow Release Fertilizer 16-0-8-02/17/2016

granules 0.182

Bonide Liquid Weed & Feed 20-0-0, Hose-End Spray-02/17/2016

liquid 2.26
Ortho Weed-B-Gon Weed Killer for Lawns Plus Crabgrass Control, Ready to Use-11/24/2013 liquid 0.12
7709_Image Schultz Supreme Green Weed & Feed.jpg
Schultz Supreme Green Weed & Feed 28-3-3 granules 0.64

Scotts STEP 2 Weed Control Plus Lawn Food 2-12/04/2015

granules 1.21

Scotts Turf Builder Weed & Feed3-12/04/2015

granules 1.21

Scotts Turf Builder WinterGuard Fall Weed & Feed3-12/04/2015

granules 1.21
Bonide Brushkil Poison Oak & Ivy Killer Concentrate-Old Product liquid <0.3
Bonide Weed & Feed Phase 2-07/26/2011-Old Product granules 0.182
Scotts Lawn Weed Control-Old Product granules --
Scotts Step 2 Weed Control Plus Lawn Food-05/07/2012-Old Product granules 1.0-3.0
Scotts Turf Builder Weed & Feed 3-05/09/2014-Old Product granules 1.0-3.0
Scotts Turf Builder WinterGuard Fall Weed & Feed, 26-2-12-11/25/2013-Old Product granules 1.0-3.0
Spectracide Pro Broadleaf Weed Herbicide Concentrate-Old Product liquid 25.38
Spectracide Weed Stop Concentrate-Old Product liquid 6.25
Spectracide Weed Stop for Lawns plus Crabgrass Preventer Granules-07/09/2012-Old Product granules 0.64
Super Turf Builder with Weed and Feed-05/01/2012-Old Product granules 1.0-3.0
Weed B Gon Lawn Weed Killer 2-discontinued liquid 3.05