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124-63-0

File Name: arkema-inc_com---1446.asp
                                                           METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.
1 PRODUCT AND COMPANY IDENTIFICATION

EMERGENCY PHONE NUMBERS:
Thio and Fine Chemicals
Chemtrec: (800) 424-9300 (24hrs) or (703) 527-3887
Arkema Inc.
Medical: Rocky Mountain Poison Control Center
2000 Market Street
(866) 767-5089 (24Hrs)
Philadelphia, PA 19103
Information Telephone Numbers Phone Number Available Hrs
Customer Service 1-800-628-4453 8:30 to 5:30 EST

Product Name METHANE SULFONYL CHLORIDE
Product Synonym(s) MSC

Chemical Family Acid Chloride
Chemical Formula CH3SO2Cl
Chemical Name Methanesulfonyl Chloride
EPA Reg Num
Product Use


2 COMPOSITION / INFORMATION ON INGREDIENTS

Ingredient Name CAS RegistryNumber Typical % OSHA
Methane sulfonyl chloride 124-63-0 >99.5% Y
The substance(s) marked with a "Y" in the OSHA column, are identified as hazardous chemicals according to the
criteria of the OSHA Hazard Communication Standard (29 CFR 1910.1200)

This material is classified as hazardous under Federal OSHA regulation.

The components of this product are all on the TSCA Inventory list.


3 HAZARDS IDENTIFICATION

Emergency Overview
Water white to light yellow liquid with irritating (lachrymatory) odor

DANGER!
MAY BE FATAL IF INHALED.
CAUSES EYE AND SKIN BURNS. MAY CAUSE BLINDNESS.
CAUSES SEVERE DIGESTIVE TRACT BURNS.
HARMFUL IF SWALLOWED.
HARMFUL IF ABSORBED THROUGH SKIN.
CAUSES RESPIRATORY TRACT IRRITATION.


Potential Health Effects

Inhalation and skin contact are expected to be the primary routes of occupational exposure to this material. Based on
single exposure animal tests, it is considered to be moderately toxic if swallowed or inhaled, no more than moderately
toxic if absorbed through skin and corrosive to the eyes and skin. Vapors are severely irritating to the eyes, nose and
respiratory tract and may produce tearing of the eyes, coughing, breathing difficulty and lung congestion (accumulation
of fluid in the lungs). Repeated exposure may cause an allergic skin reaction. If swallowed, this material may cause
mild to severe burns to the mouth, throat and digestive tract. Medical conditions that may be aggravated by


Product Code: 001491 Page 1
Revision: 8 Issued: 24 MAR 2005 of 6
METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.
overexposure to this material include lung disease and limited respiratory capacity.


4 FIRST AID MEASURES

POISON, Get medical attention. Call a Poison Control Center.

IF IN EYES, immediately flush with plenty of water for at least 15 minutes. Get medical attention immediately.

IF ON SKIN, immediately flush with plenty of water. Remove contaminated clothing and shoes. Get medical
attention. Wash clothing before reuse. Destroy contaminated shoes.

IF SWALLOWED, do NOT induce vomiting. Give water to drink. Get medical attention immediately. NEVER
GIVE ANYTHING BY MOUTH TO AN UNCONSCIOUS PERSON.

IF INHALED, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give
oxygen.


5 FIRE FIGHTING MEASURES

Fire and Explosive Properties
Auto-Ignition Temperature NE
Flash Point 230 F/ 110 C Flash Point Method COC
Flammable Limits- Upper NE
NE
Lower
Extinguishing Media
Use water spray, carbon dioxide, foam or dry chemical.

Fire Fighting Instructions
Use water spray. A solid stream of water can cause frothing and spattering. Fire fighters and others who may
be exposed to products of combustion should wear full fire fighting turn out gear (full Bunker Gear) and self-
contained breathing apparatus (pressure demand NIOSH approved or equivalent). Fire fighting equipment
should be thoroughly decontaminated after use.

Fire and Explosion Hazards
When burned, the following hazardous products of combustion can occur: Hydrogen chloride, Sulfur oxides,
Carbon dioxide, Carbon monoxide,

6 ACCIDENTAL RELEASE MEASURES

In Case of Spill or Leak
Contain spill. Stop leak at source if this can be done safely. Ventilate area. Nonessential personnel should
leave the area until cleanup is completed. Pump liquid into DOT-approved drums for disposal. Absorb
remaining liquid onto inert absorbent and place in DOT approved drums for disposal. Wash area with water.
Keep concentrate and wash water from entering sewers or waterways. Consult a regulatory specialist to
determine appropriate state or local reporting requirements, for assistance in waste characterization and/or
hazardous waste disposal and other requirements listed in pertinent environmental permits.

7 HANDLING AND STORAGE




Product Code: 001491 Page 2
Revision: 8 Issued: 24 MAR 2005 of 6
METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.

7 HANDLING AND STORAGE

Handling
Do not breathe vapor. Do not get in eyes, on skin or on clothing. Do not taste or swallow. Keep container
closed. Use only with adequate ventilation. Wash thoroughly after handling. Emptied container retains vapor
and product residue. Observe all labeled safeguards until container is cleaned, reconditioned or destroyed.
Storage
Keep container closed. Store in a cool, dry, well ventilated area. Keep away from food and drink. Isolate
from incompatible materials (see Section 10).


8 EXPOSURE CONTROLS / PERSONAL PROTECTION

Engineering Controls
Investigate engineering techniques to reduce exposures. Provide ventilation if necessary to minimize
exposure. Dilution ventilation is acceptable, but local mechanical exhaust ventilation preferred, if practical, at
sources of air contamination such as open process equipment. Consult ACGIH ventilation manual or NFPA
Standard 91 for design of exhaust systems.

Eye / Face Protection
Where there is potential for eye contact, wear a face shield, chemical goggles, and have eye flushing
equipment immediately available.

Skin Protection
Wear appropriate chemical resistant protective clothing and chemical resistant gloves to prevent skin
contact. Neoprene Gloves should be worn when handling this material. Wear chemical goggles, a face
shield, and chemical resistant clothing such as a rubber apron when splashing may occur. Rinse immediately
if skin is contaminated. Remove contaminated clothing promptly and wash before reuse. Clean protective
equipment before reuse. Provide a safety shower at any location where skin contact can occur. Wash skin
thoroughly after handling.

Respiratory Protection
Avoid breathing vapor or mist. Where airborne exposure is likely, use NIOSH approved respiratory
protection equipment appropriate to the material and/or its components. Full facepiece equipment is
recommended and, if used, replaces need for face shield and/or chemical goggles. If exposures cannot be
kept at a minimum with engineering controls, consult respirator manufacturer to determine appropriate type
equipment for given application. Observe respirator use limitations specified by NIOSH or the manufacturer.
For emergency and other conditions where there may be a potential for significant exposure, use an
approved full face positive-pressure, self-contained breathing apparatus or positive-pressure airline with
auxiliary self-contained air supply. Respiratory protection programs must comply with 29 CFR 搂 1910.134.


Airborne Exposure Guidelines for Ingredients

The components of this product have no established Airborne Exposure Guidelines
-Only those components with exposure limits are printed in this section.
-Skin contact limits designated with a "Y" above have skin contact effect. Air sampling alone is insufficient to accurately quantitate
exposure. Measures to prevent significant cutaneous absorption may be required.
-ACGIH Sensitizer designator with a value of "Y" above means that exposure to this material may cause allergic reactions.
-WEEL-AIHA Sensitizer designator with a value of "Y" above means that exposure to this material may cause allergic skin reactions.




Product Code: 001491 Page 3
Revision: 8 Issued: 24 MAR 2005 of 6
METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.

9 PHYSICAL AND CHEMICAL PROPERTIES

Water white to light yellow liquid with irritating (lachrymatory) odor
Appearance/Odor
pH NE
Specific Gravity 1.475-1.480 @ 20 C
Vapor Pressure 2.1 mm Hg
Vapor Density 3.9
Melting Point NA
Freezing Point -33 C (-27 F)
Boiling Point >160 C (>320 F)
Solubility In Water Hydrolyzes slowly
Solubility in Other Materials Acetone, Ethyl ether
Evaporation Rate NE
Viscosity 1.33 cSt/ 1.97mPa @ 25 C
Molecular Weight 114.55
Other Physical Data Refractive index: 1.452 @ 20 C
Vapor Pressure @ 20 C 2.79hPa (mbar); @53 C 16hPa (mbar);
@98 C 126.6 hPa (mbar)
Denstiy: 1478 kg/m3


10 STABILITY AND REACTIVITY


Stability
This material is chemically stable under normal and anticipated storage and handling conditions.

Incompatibility
Avoid contact with strong acids, strong oxidizers, water, alcohols, and diethylhydroxylamine. Contact may
generate heat or dangerous fumes.
Hazardous Decomposition Products
Hydrolyzes (slowly below 70 C, but rapidly above 70 C) to produce hydrogen chloride gas. Thermal
decomposition forming: Methanesulfonic Acid, Sulfur oxides, carbon oxides.

11 TOXICOLOGICAL INFORMATION

Toxicological Information
Data on this material and/or its components are summarized below.

Methane Sulfonyl Chloride
Single exposure (acute) studies indicate that this material is moderately toxic if swallowed (rat LD50 255 mg/kg)
or inhaled (rat 4-hr LC50 25 ppm; 1-hr LC50 about 200 ppm), no more than moderately toxic if absorbed
through skin (rabbit LD50 >200 mg/kg; 10% PEG 400 & <2,000 mg/kg; undiluted), and corrosive to rabbit eyes
and mouse skin. Skin allergy was observed in guinea pigs following repeated exposure. Signs of severe eye
and lung irritation with gasping, tearing of the eyes, salivation and lung congestion were observed in rats after
single inhalation exposure. Generally, no genetic changes were observed in tests using bacteria or animals.

12 ECOLOGICAL INFORMATION

Ecotoxicological Information
Data on this material and/or its components are summarized below.



Product Code: 001491 Page 4
Revision: 8 Issued: 24 MAR 2005 of 6
METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.

12 ECOLOGICAL INFORMATION

Methane Sulfonyl Chloride
This material is practically non-toxic to guppies (96-hr LC50 >1,200 mg/l), and slightly toxic to tidewater
silverside (96-hr LC50 15 ppm) and bluegill sunfish (96-hr LC50 11 ppm).
Chemical Fate Information
No data are available.


13 DISPOSAL CONSIDERATIONS

Waste Disposal
Incineration is the recommended method for disposal observing all local, state and federal regulations. Note:
Chemical additions to, processing of, or otherwise altering this material may make this waste management
information incomplete, inaccurate, or otherwise inappropriate. Furthermore, state and local waste disposal
requirements may be more restrictive or otherwise different from federal laws and regulations.

14 TRANSPORT INFORMATION

DOT Name Methanesulfonyl chloride
DOT Technical Name
DOT Hazard Class 6.1(8)
UN Number UN3246
DOT Packing Group PG l
RQ No
DOT Special Information Primary Hazard - POISON INHALATION HAZARD - ZONE B
Subsidiary Hazard - CORROSIVE


15 REGULATORY INFORMATION

Hazard Categories Under Criteria of SARA Title III Rules (40 CFR Part 370)
Immediate (Acute) Health Y Fire N
Delayed (Chronic) Health N Reactive N
Sudden Release of Pressure N
The components of this product are all on the TSCA Inventory list.


Ingredient Related Regulatory Information:
CERCLA RQ SARA TPQ
SARA Reportable Quantities
Methane sulfonyl chloride NE


16 OTHER INFORMATION




Product Code: 001491 Page 5
Revision: 8 Issued: 24 MAR 2005 of 6
METHANE SULFONYL CHLORIDE
Material Safety Data Sheet
Arkema Inc.
Revision Information

Revision Number 8
24 MAR 2005
Revision Date
Supercedes Revision Dated 11-OCT-2004
Revision Summary
5

Key
NE= Not Established NA= Not Applicable (R) = Registered Trademark




Arkema Inc. believes that the information and recommendations contained herein (including data and
statements) are accurate as of the date hereof. NO WARRANTY OF FITNESS FOR ANY PARTICULAR
PURPOSE, WARRANTY OF MERCHANTABILITY, OR ANY OTHER WARRANTY, EXPRESSED OR
IMPLIED, IS MADE CONCERNING THE INFORMATION PROVIDED HEREIN. The information provided
herein relates only to the specific product designated and may not be valid where such product is used in
combination with any other materials or in any process. Further, since the conditions and methods of use are
beyond the control of Arkema Inc., Arkema Inc. expressly disclaims any and all liability as to any results
obtained or arising from any use of the product or reliance on such information.




Product Code: 001491 Page 6
Revision: 8 Issued: 24 MAR 2005 of 6

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