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2,4-D 94-75-7 MSDS
Name: 2 4-Dichlorophenoxyacetic acid Material Safety Data Sheet
Synonym: 2,4-D; 2,4-D acid
CAS: 94-75-7
Section 1 - Chemical Product   MSDS Name:2 4-Dichlorophenoxyacetic acid Material Safety Data Sheet
Synonym:2,4-D; 2,4-D acid

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
94-75-7 2,4-Dichlorophenoxyacetic acid 99 202-361-1
Hazard Symbols: XN
Risk Phrases: 22 37 41 43 52/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
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
Eye:
Causes severe eye irritation.
Skin:
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.
Ingestion:
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea. Human fatalities have been reported from acute poisoning.
Inhalation:
Causes respiratory tract irritation. Can produce delayed pulmonary edema.
Chronic:
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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
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 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
  General Information:
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.
Extinguishing Media:
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.
Spills/Leaks:
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.
Provide ventilation.

Section 7 - HANDLING and STORAGE
  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.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
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.
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 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.
Decomposition Temperature:
Solubility in water: Slightly soluble.
Specific Gravity/Density: 1.5650g/cm3
Molecular Formula: C8H6Cl2O3
Molecular Weight: 221.04

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
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
  RTECS#:
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.
Carcinogenicity:
2,4-Dichlorophenoxyacetic acid - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Ecotoxicity:
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
 
IATA
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
IMO
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing Group:
RID/ADR
Shipping Name: Not regulated.
Hazard Class:
UN Number:
Packing group:
USA RQ: CAS# 94-75-7: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
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.
Safety Phrases:
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
Canada
CAS# 94-75-7 is listed on Canada's DSL List.
CAS# 94-75-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 94-75-7 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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