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Methyl p-toluenesulfonate 80-48-8 MSDS
Name: Methyl p-toluenesulfonate, 97% Material Safety Data Sheet
Synonym: Benzenesulfonic Acid; Metnhyl P-Methyl Benzenesulfonate; Methyl Tosylate
CAS: 80-48-8
Section 1 - Chemical Product MSDS Name: Methyl p-toluenesulfonate, 97% Material Safety Data Sheet
Synonym: Benzenesulfonic Acid; Metnhyl P-Methyl Benzenesulfonate; Methyl Tosylate
SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
80-48-8 Methyl p-toluenesulfonate 97% 201-283-5
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:
Harmful if swallowed. Causes digestive tract irritation.
Inhalation:
Causes respiratory tract irritation.
Chronic:
Not available.
SECTION 4 - FIRST AID MEASURES
Eyes:
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. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Ingestion:
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 not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
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:
In case of fire, use water, dry chemical, chemical foam, or alcohol-resistant foam. Water or foam may cause frothing.
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. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Provide ventilation.
SECTION 7 - HANDLING and STORAGE
Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low. Exposure Limits CAS# 80-48-8: 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: Crystals
Color: light brown
Odor: None reported.
pH: Not available.
Vapor Pressure: 1 mmHg @ 20 C
Viscosity: Not available.
Boiling Point: 144.0 - 145.0 deg C
Freezing/Melting Point: 27.5 deg C
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 262 deg C
Solubility in water: Insoluble.
Specific Gravity/Density: 1.230 @ 25 C
Molecular Formula: C8H10O3S
Molecular Weight: 186.23
SECTION 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, dust generation, strong oxidants.
Incompatibilities with Other Materials:
Strong oxidizing agents - strong acids - strong bases.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported.
SECTION 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 80-48-8: XT7000000
LD50/LC50:
CAS# 80-48-8: Draize test, rabbit, eye: 500 mg/24H Mild; Draize
test, rabbit, skin: 2 mg/24H Severe; Oral, rat: LD50 = 341 mg/kg.
Carcinogenicity:
Methyl p-toluenesulfonate - 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: 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:


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# 80-48-8: No information available. Canada CAS# 80-48-8 is listed on Canada's DSL List. CAS# 80-48-8 is listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 80-48-8 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION
MSDS Creation Date: 9/01/1998 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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