2,4-Dichlorophenoxyacetic acid Property

Melting point:

138 °C

Boiling point:

160 °C(Press: 0.4 Torr)

Density 

1.42 g/cm3(Temp: 25 °C)

pka

2.98±0.10(Predicted)

Safety

RIDADR 

3077

HazardClass 

9

PackingGroup 

III

Hazard and Precautionary Statements (GHS)

Symbol(GHS)

Signal word

Danger

Hazard statements

H302Harmful if swallowed

H317May cause an allergic skin reaction

H318Causes serious eye damage

H335May cause respiratory irritation

H410Very toxic to aquatic life with long lasting effects

Precautionary statements

P261Avoid breathing dust/fume/gas/mist/vapours/spray.

P273Avoid release to the environment.

P280Wear protective gloves/protective clothing/eye protection/face protection.

P301+P312IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.

P302+P352IF ON SKIN: wash with plenty of soap and water.

P305+P351+P338IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.

2,4-Dichlorophenoxyacetic acid Chemical Properties,Usage,Production

Definition

ChEBI: 2,4-D is a chlorophenoxyacetic acid that is phenoxyacetic acid in which the ring hydrogens at postions 2 and 4 are substituted by chlorines. It has a role as a synthetic auxin, a defoliant, an agrochemical, an EC 1.1.1.25 (shikimate dehydrogenase) inhibitor, an environmental contaminant and a phenoxy herbicide. It is a chlorophenoxyacetic acid and a dichlorobenzene. It is a conjugate acid of a (2,4-dichlorophenoxy)acetate.