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paraquat dichloride 1910-42-5 MSDS
Name: Methyl Viologen hydrate Material Safety Data Sheet
Synonym:
CAS: 1910-42-5
Section 1 - Chemical Product MSDS Name: Methyl Viologen hydrate Material Safety Data Sheet
Synonym:

SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
1910-42-5 1,1-Dimethyl-4,4'-bipyridinium dichlor 100.0 217-615-7
Hazard Symbols: T+ N
Risk Phrases: 26 36/37/38 24/25 48/25 50/53
SECTION 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Very toxic by inhalation. Irritating to eyes, respiratory system and skin. Toxic in contact with skin and if swallowed. Toxic : danger of serious damage to health by prolonged exposure if swallowed. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Air sensitive. Potential Health Effects
Eye:
Causes severe eye irritation.
Skin:
May cause skin irritation. Harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. May cause irritation of the digestive tract. Human systemic effects include acute renal failure, acute tubular necrosis, cough, diarrhea, dyspnea (labored breathing), headache, hypermitility, nausea, vomiting, ulceration or bleeding from stomach.
Inhalation:
May cause respiratory tract irritation. May cause a delayed damaging effect on the lung alveoli.
Chronic:
Effects may be delayed. Chronic ingestion may cause fetal effects. Laboratory experiments have resulted in mutagenic effects.
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 immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse.
Ingestion:
Do not induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Remove from exposure and move to fresh air immediately. If breathing is difficult, give oxygen. Get medical aid. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
Notes to Physician:


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.
Extinguishing Media:
Use agent most appropriate to extinguish fire. In case of fire, use carbon dioxide, dry chemical powder or appropriate foam.
SECTION 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation. Place under an inert atmosphere. Cover with dry earth, dry sand, or other non-combustible material followed with plastic sheet to minimize spreading and contact with water.
SECTION 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Use only in a well-ventilated area. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Do not ingest or inhale. Handle under an inert atmosphere. Store protected from air.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Do not expose to air. Store under an inert atmosphere.
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 ventilation to keep airborne concentrations low. Exposure Limits CAS# 1910-42-5: United Kingdom, WEL - TWA: 0.08 mg/m3 TWA (respirable dust) United Kingdom, WEL - STEL: 0.24 mg/m3 STEL (respirable dust)
United States OSHA: 0.5 mg/m3 TWA (respirable dust) Belgium - TWA: (listed as paraquat): 0.1 mg/m3 VLE (respirable particles) France - VME: (listed as paraquat): 0.1 mg/m3 VME
Germany: 0.1 mg/m3 TWA (inhalable fraction)
Germany: Skin absorber
Malaysia: (listed as paraquat): 0.5 mg/m3 TWA (total particulate) 0.1 mg/m3 TWA (respirable fraction)
Netherlands: 0.1 mg/m3 MAC
Spain: 0.1 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: Solid
Color: yellow
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: > 300 deg C
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Freely Soluble.
Specific Gravity/Density:
Molecular Formula: C12H14Cl2N2.xH2O
Molecular Weight: 257.15
SECTION 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, exposure to air.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, nitrogen oxides, carbon monoxide, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.
SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 1910-42-5: DW2275000
LD50/LC50:
CAS# 1910-42-5: Draize test, rabbit, eye: 25 mg Mild; Draize test,
rabbit, eye: 12500 ug Severe; Inhalation, rat: LC50 = 1 mg/m3/6H;
Oral, mouse: LD50 = 120 mg/kg; Oral, rat: LD50 = 57 mg/kg; Skin,
rabbit: LD50 = 325 mg/kg; Skin, rat: LD50 = 80 mg/kg.
Carcinogenicity:
1,1-Dimethyl-4,4'-bipyridinium dichloride - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
SECTION 12 - ECOLOGICAL INFORMATION
Ecotoxicity:
Fish: Rainbow trout: LC50 = 38-62 mg/L; 48 Hr.; UnspecifiedFish:
Bluegill/Sunfish: LC50 = 16.0 mg/L; 96 Hr.; UnspecifiedFish: Guppy: LC50 = 7-11.0 mg/L; 96 Hr.; UnspecifiedWater flea Daphnia: LC50 = 45.0 mg/L; 24 Hr.; UnspecifiedBacteria: Phytobacterium phosphoreum: LC50 = 967 mg/L; 5 minutes; Microtox test
SECTION 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations.
SECTION 14 - TRANSPORT INFORMATION IATA
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: II IMO
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing Group: II RID/ADR
Shipping Name: TOXIC SOLID, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2811
Packing group: II
SECTION 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives
Hazard Symbols: T+ N
Risk Phrases:
R 24/25 Toxic in contact with skin and if swallowed. R 26 Very toxic by inhalation. R 36/37/38 Irritating to eyes, respiratory system and skin.
R 48/25 Toxic : danger of serious damage to health by prolonged exposure if swallowed. R 50/53 Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases:
S 22 Do not breathe dust. S 28A After contact with skin, wash immediately with plenty of water. S 36/37/39 Wear suitable protective clothing, gloves and eye/face protection. S 45 In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). S 60 This material and its container must be disposed of as hazardous waste. S 61 Avoid release to the environment. Refer to special instructions/safety data sheets. WGK (Water Danger/Protection) CAS# 1910-42-5: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 1910-42-5 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 1910-42-5 is not listed on the TSCA inventory. It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION
MSDS Creation Date: 6/25/1999 Revision #3 Date: 7/22/2002 The information above is believed to be accurate and represents the best information currently available to us. However, we make no warranty of merchantability or any other warranty, express or implied, with respect to such information, and we assume no liability resulting from its use. Users should make their own investigations to determine the suitability of the information for their particular purposes. In no way shall the company be liable for any claims, losses, or damages of any third party or for lost profits or any special, indirect, incidental, consequential or exemplary damages, howsoever arising, even if the company has been advised of the possibility of such damages.

SECTION 16 - ADDITIONAL INFORMATION
N/A

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