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|Name:||2 4-Dichlorophenoxyacetic acid Material Safety Data Sheet|
|Synonym:||2,4-D; 2,4-D acid|
Synonym:2,4-D; 2,4-D acid
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 22 37 41 43 52/53
Section 3 - HAZARDS IDENTIFICATION
Harmful if swallowed. Irritating to respiratory system. Risk of serious damage to eyes. May cause sensitization by skin contact.
Harmful to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Potential Health Effects
Causes severe eye irritation.
Causes skin irritation. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material.
May be harmful if absorbed through the skin.
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Human fatalities have been reported from acute poisoning.
Causes respiratory tract irritation. Can produce delayed pulmonary edema.
May cause liver and kidney damage. May cause reproductive and fetal effects. Effects may be delayed. Chronic exposure will cause neurological degradation and/or abnormalities.
Section 4 - FIRST AID MEASURES
Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
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.
Remove from exposure and move 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 resuscitation.
Notes to Physician:
Treat symptomatically and supportively.
Section 5 - FIRE FIGHTING MEASURES
As in any fire, 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.
Use water spray, dry chemical, carbon dioxide, or appropriate foam.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Vacuum or sweep up material and place into a suitable disposal container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions.
Section 7 - HANDLING and STORAGE
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.
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 94-75-7: United Kingdom, WEL - TWA: 10 mg/m3 TWA United Kingdom, WEL - STEL: 20 mg/m3 STEL United States OSHA: 10 mg/m3 TWA Belgium - TWA: 10 mg/m3 VLE France - VME: 10 mg/m3 VME Germany: 1 mg/m3 TWA (inhalable fraction) Germany: Skin absorber Malaysia: 10 mg/m3 TWA Netherlands: 10 mg/m3 MAC Spain: 10 mg/m3 VLA-ED Personal Protective Equipment 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.
Wear appropriate protective gloves to prevent skin exposure.
Wear appropriate protective clothing to prevent skin exposure.
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 respirator use.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Crystalline powder
Color: white crystalline powder
Odor: practically odorless
pH: Not available.
Vapor Pressure: <1 mbar @ 20 C
Viscosity: Not available.
Boiling Point: 160 deg C @ 0.4mm Hg
Freezing/Melting Point: 139 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Solubility in water: Slightly soluble.
Specific Gravity/Density: 1.5650g/cm3
Molecular Formula: C8H6Cl2O3
Molecular Weight: 221.04
Section 10 - STABILITY AND REACTIVITY
Stable at room temperature in closed containers under normal storage and handling conditions.
Conditions to Avoid:
Dust generation, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.
Section 11 - TOXICOLOGICAL INFORMATION
CAS# 94-75-7: AG6825000 LD50/LC50:
CAS# 94-75-7: Draize test, rabbit, eye: 750 ug/24H Severe; Draize test, rabbit, skin: 500 mg/24H Mild; Inhalation, rabbit: LC50 = 1800 mg/m3; Inhalation, rat: LC50 = 1.8 gm/m3; Oral, mouse: LD50 = 347 mg/kg; Oral, rabbit: LD50 = 699 mg/kg; Oral, rat: LD50 = 375 mg/kg; Oral, rat: LD50 = 3670 mg/kg/18H; Skin, rabbit: LD50 = 1400 mg/kg; Skin, rabbit: LD50 = 2000 mg/kg; Skin, rat: LD50 = 1500 mg/kg.
2,4-Dichlorophenoxyacetic acid - Not listed by ACGIH, IARC, or NTP.
See actual entry in RTECS for complete information.
Section 12 - ECOLOGICAL INFORMATION
Fish: Bluegill/Sunfish: 0.9ppm; 48H; Unknown.Water flea Daphnia: 366-389mg/L; 48H; Unknown.
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
Shipping Name: Not regulated.
Shipping Name: Not regulated.
Shipping Name: Not regulated.
USA RQ: CAS# 94-75-7: 100 lb final RQ; 45.4 kg final RQ
Section 15 - REGULATORY INFORMATION
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
R 22 Harmful if swallowed.
R 37 Irritating to respiratory system.
R 41 Risk of serious damage to eyes.
R 43 May cause sensitization by skin contact.
R 52/53 Harmful to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
S 24/25 Avoid contact with skin and eyes.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
S 46 If swallowed, seek medical advice immediately
and show this container or label.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 94-75-7: 2
CAS# 94-75-7 is listed on Canada's DSL List.
CAS# 94-75-7 is not listed on Canada's Ingredient Disclosure List.
CAS# 94-75-7 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION