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fomepizole 7554-65-6 MSDS
Name: 4-Methylpyrazole, 99% Material Safety Data Sheet
Synonym: None.
CAS: 7554-65-6
Section 1 - Chemical Product MSDS Name: 4-Methylpyrazole, 99% Material Safety Data Sheet
Synonym: None.
SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7554-65-6 4-Methylpyrazole 99 231-445-0
Hazard Symbols: XN
Risk Phrases: 22 36/37/38
SECTION 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW Harmful if swallowed. Irritating to eyes, respiratory system and skin. Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and diarrhea. May be harmful if swallowed.
Inhalation:
Causes respiratory tract irritation.
Chronic:
No information found.
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 immediately. 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.
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. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam.
SECTION 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Clean up spills immediately, observing precautions in the Protective Equipment section. Avoid generating dusty conditions. Provide ventilation.
SECTION 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Wash clothing before reuse.
Storage:
Keep container closed when not in use. 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 ventilation to keep airborne concentrations low. Exposure Limits CAS# 7554-65-6: 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 gloves to prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize contact with skin.
Respirators:
Wear a NIOSH/MSHA or European Standard EN 149 approved full-facepiece airline respirator in the positive pressure mode with emergency escape provisions.
SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Liquid
Color: yellow
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 99.0 - 100.0 deg C @ 6.00mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 96 deg C ( 204.80 deg F)
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: .9930g/cm3
Molecular Formula: C4H6N2
Molecular Weight: 82.11
SECTION 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents - strong acids - acid chlorides.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.
SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 7554-65-6: UQ7350000
LD50/LC50:
CAS# 7554-65-6: Oral, mouse: LD50 = 640 mg/kg; Oral, rat: LD50 = 534 mg/kg.
Carcinogenicity:
4-Methylpyrazole - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.
SECTION 12 - ECOLOGICAL INFORMATION
SECTION 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations.
SECTION 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material.
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 36/37/38 Irritating to eyes, respiratory system and skin.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes. WGK (Water Danger/Protection) CAS# 7554-65-6: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 7554-65-6 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 7554-65-6 is not listed on the TSCA inventory. It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION
MSDS Creation Date: 5/26/1998 Revision #3 Date: 3/18/2003 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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