METHANESULFONYL FLUORIDE 558-25-8 MSDS
Name: Methanesulfonyl fluoride 98% Material Safety Data Sheet
Synonym: Fumette; Methanesulphonyl fluoride; MSF
CAS: 558-25-8
Section 1 - Chemical Product   MSDS Name:Methanesulfonyl fluoride 98% Material Safety Data Sheet
Synonym:Fumette; Methanesulphonyl fluoride; MSF

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
558-25-8 Methanesulfonyl fluoride 98 209-192-2
Hazard Symbols: T+ C
Risk Phrases: 28 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Very toxic if swallowed. Causes burns.Corrosive.Highly toxic.Lachrymator (substance which increases the flow of tears).Water-reactive.
Potential Health Effects
Eye:
Causes eye burns. Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin burns.
Ingestion:
May be fatal if swallowed. Causes gastrointestinal tract burns.
Inhalation:
May cause irritation of the respiratory tract with burning pain in the nose and throat, coughing, wheezing, shortness of breath and pulmonary edema. Causes chemical burns to the respiratory tract.
Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
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 immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Destroy contaminated shoes.
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:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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. Water Reactive. Material will react with water and may release a flammable and/or toxic gas.
Extinguishing Media:
Use carbon dioxide or dry chemical. DO NOT USE WATER!

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. Wash area with soap and water.
Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Keep under a nitrogen blanket.

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 only under a chemical fume hood.
Exposure Limits CAS# 558-25-8: United States OSHA: 2.5 mg/m3 TWA (as F) (listed under Fluorides 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:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 123 - 124 deg C @ 760.00mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density: 1.4270
Molecular Formula: CH3FO2S
Molecular Weight: 98.09

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, contact with water.
Incompatibilities with Other Materials:
Strong bases, oxidizing agents, alcohols.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide, hydrogen fluoride gas, fluoride fumes.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 558-25-8: PB2975000 LD50/LC50:
CAS# 558-25-8: Inhalation, rat: LC50 = 1 ppm/7H; Oral, rat: LD50 = 2 mg/kg; Skin, rabbit: LD50 = >24 mg/kg.
Carcinogenicity:
Methanesulfonyl fluoride - 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
Shipping Name: TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.*
Hazard Class: 6.1 (8)
UN Number: 2927
Packing Group: I
IMO
Shipping Name: TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.
Hazard Class: 6.1 (8)
UN Number: 2927
Packing Group: I
RID/ADR
Shipping Name: TOXIC LIQUID, CORROSIVE, ORGANIC, N.O.S.
Hazard Class: 6.1
UN Number: 2927
Packing group: I

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+ C
Risk Phrases:
R 28 Very toxic if swallowed.
R 34 Causes burns.
Safety Phrases:
S 23 Do not inhale gas/fumes/vapour/spray.
S 24/25 Avoid contact with skin and eyes.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 558-25-8: No information available.
Canada
CAS# 558-25-8 is listed on Canada's NDSL List.
CAS# 558-25-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 558-25-8 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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