Home >> msds >> 2,4-Dichlorophenoxyacetic acid

2,4-Dichlorophenoxyacetic acid

Print        Favorite
[Flash Point]

163
[Fire Fighting]

Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Combustible material; may burn but does not ignite readily. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
[Fire Potential]

Nonflammable.
[Ingestion]

Never give anything by mouth to an unconscious person. Get medical aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
[Inhalation]

Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. DO NOT use mouth-to-mouth respiration.
[Skin]

Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
[Eyes]

Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
[Storage]

Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
[Handling]

Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Use with adequate ventilation. Wash clothing before reuse.
[Inhalation]

Causes respiratory tract irritation. May cause liver and kidney damage. Can produce delayed pulmonary edema.
[Skin]

Causes skin irritation. May be harmful if absorbed through the skin.
[Eyes]

Causes eye irritation. May cause chemical conjunctivitis.
[Ingestion]

Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. May cause liver and kidney damage. Human fatalities have been reported from acute poisoning.
[Hazards]

Containers may explode when heated.
[EC Risk Phrase]

R 22 37 41 43 52/53
[EC Safety Phrase]

S 24/25 26 36/37/39 46 61
[UN (DOT)]

2765
[Personal Protection]

Eyes: Wear appropriate protective eyeglasses or chemical safety goggles as described by OSHA's eye and face protection regulations in 29 CFR 1910.133 or European Standard EN166. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure.
[Respirators]

A respiratory protection program that meets OSHA's 29 CFR 1910.134 and ANSI Z88.2 requirements or European Standard EN 149 must be followed whenever workplace conditions warrant a respirator's use.
[Exposure Effects]

May cause liver and kidney damage. Effects may be delayed.
[Exposure limit(s)]

TLV: ppm; 10 mg/m3 (as TWA) (ACGIH 1993-1994). OSHA PEL: TWA 10 mg/m3 NIOSH REL: TWA 10 mg/m3 NIOSH IDLH: 100 mg/m3
[Poison Class]

3
[Appearance]

White to yellow, crystalline powder, odorless when pure, may have a slight phenolic odor due to impurities.
[Solubility in water]

Very soluble
[Melting Point]

137 - 139
[Boiling Point]

346
[Vapor Pressure]

2E-5 (25 C)
[Density]

1.563 g/cm3 (20 C)
[pKa/pKb]

2.98 (pKa)
[Partition Coefficient]

2.81
[Heat Of Vaporization]

62.2 kJ/mol
[Heat Of Combustion]

-3915 kJ/mol
[Usage]

It is registered in the usa as a herbicide for control of broadleaf plants & as a plant-growth regulator.
[Vapor Density]

7.63
[Saturation Concentration]

526 ppm (0.05%) at 160 C (calculated)
[Odor threshold]

3.13 mg/kg
[Product Name]

2,4-D LV6
[Synonyms]

2-(2,4-Dichlorophenoxy)acetic acid
2,4-D
Fernimine
Hedonal
Vergemaster
[CAS]

"CASEN_94-75-7.htm">94-75-7
[Formula]

C8H6Cl2O3
[Molecular Weight]

221.04
[EINECS]

202-361-1
[RTECS]

AG6825000
[RTECS Class]

Agricultural Chemical and Pesticide; Tumorigen; Mutagen; Reproductive Effector; Human Data; Primary Irritant
[Merck]

13,2825
[Beilstein/Gmelin]

1214242
[Beilstein Reference]

4-06-00-00908
[EC Index Number]

607-039-00-8
[EC Class]

Harmful; Irritant; Sensitising; Dangerous for the Environment
[Small spills/leaks]

Clean up spills immediately, using the appropriate protective equipment. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.
[Stability]

Stable at room temperature in closed containers under normal storage and handling conditions.
[Incompatibilities]

Strong oxidizing agents, strong acids, strong bases.
[Decomposition]

Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
[Combustion Products]

Toxic and irritating hydrogen chloride or phosgene gases may form.
[UN Number]

2765
[Hazard Class]

3.2
[Packing Group]

III
[HS Code]

2918 90 90