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methanesulfonic acid
CAS No.: 75-75-2
Synonyms:
Formula: CH4O3S
Exact Mass: 95.98810
Molecular Weight: 96.10570
PSA: 62.75000
LogP: 0.58480
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methanesulfonic acid 75-75-2 MSDS
Name: Methane Sulfonic Acid Material Safety Data Sheet
Synonym: MS
CAS: 75-75-2
Section 1 - Chemical Product   MSDS Name:Methane Sulfonic Acid Material Safety Data Sheet
Synonym:MS

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
75-75-2 Methane Sulfonic Acid 99% 200-898-6
Hazard Symbols: C
Risk Phrases: 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Causes burns.Corrosive.Moisture sensitive.Water-reactive.
Potential Health Effects
Eye:
Contact with liquid is corrosive to the eyes and causes severe burns.
Skin:
Contact with liquid is corrosive and causes severe burns and ulceration. Causes redness and pain.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns.
Inhalation:
Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Causes severe 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 immediately. Do NOT allow victim to rub eyes or keep eyes closed.
Extensive irrigation with water is required (at least 30 minutes).
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. Discard contaminated clothing in a manner which limits further exposure. 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. Reacts violently with water.
Extinguishing Media:
Use dry chemical, carbon dioxide, or alcohol-resistant foam. Do NOT get water inside containers. Cool containers with flooding quantities of water until well after fire is out.

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. Provide ventilation. Do not get water inside containers.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Do not ingest or inhale. Do not allow contact with water. Discard contaminated shoes.
Storage:
Store in a tightly closed container. Keep under an argon blanket.
Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 75-75-2: 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: 1 mbar @ 20 C
Viscosity: Not available.
Boiling Point: 167 deg C
Freezing/Melting Point: 18 deg C
Autoignition Temperature: Not available.
Flash Point: > 109 deg C (> 228.20 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density: 1.3450g/cm3
Molecular Formula: CH4O3S
Molecular Weight: 96.10

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, moisture, contact with water, metals, excess heat.
Incompatibilities with Other Materials:
Strong reducing agents, bases, amines, brass, copper, iron, steel, lead, reacts violently with ethyl vinyl ether, hydrogen fluoride.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 75-75-2: PB1140000 LD50/LC50:
CAS# 75-75-2: Dermal, guinea pig: LD50 = >2 gm/kg; Oral, rat: LD50 = 200 mg/kg.
Oral LD50(rat): 200-400 Carcinogenicity:
Methane Sulfonic Acid - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: Alkylsulfonic acids, liquid(Methanesulfonic acid)
Hazard Class: 8
UN Number: 2586
Packing Group: III
IMO
Shipping Name: ALKYLSULFONIC ACIDS, LIQUID(METHANESULFONIC ACID)
Hazard Class: 8
UN Number: 2586
Packing Group: III
RID/ADR
Shipping Name: ALKYL SULPHONIC ACIDS, LIQUID (METHANE SULFONIC AC
ID)
Hazard Class: 8
UN Number: 2585
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36 Wear suitable protective clothing.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 75-75-2: 2
Canada
CAS# 75-75-2 is listed on Canada's DSL List.
CAS# 75-75-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 75-75-2 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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