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MSDS 
:
 Sulfolane
CAS 
:
 126-33-0
SYNONYMS 
:
 Cyclic Tetramethyl Sulfone, Cyclotetramethylene Sulfone, Dihydro     Butadiene Sulfone, Thiocyclopentane Dioxide
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 126-33-0 |Sulfolane | 100.0 | 204-783-1 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN
Risk Phrases: 22

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Harmful if swallowed.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation.
Ingestion:
May cause irritation of the digestive tract. May be harmful if
swallowed.
Inhalation:
May cause respiratory tract irritation.
Chronic:
No information found.

**** 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.
Skin:
Flush skin with plenty of water for at least 15 minutes while
removing contaminated clothing and shoes. Get medical aid if
irritation develops or persists.
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:
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. Containers
may explode in the heat of a fire.
Extinguishing Media:
In case of fire, use water, dry chemical, chemical foam, or
alcohol-resistant foam. 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. Clean up spills immediately,
observing precautions in the Protective Equipment section. Scoop up
with a nonsparking tool, then place into a suitable container for
disposal.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use with adequate ventilation. Avoid contact with
eyes, skin, and clothing. Avoid ingestion and inhalation.
Storage:
Store in a cool, dry place. Keep container closed when not in use.
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels.
Exposure Limits
CAS# 126-33-0:

Russia: 40 mg/m3 TWA

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 and clothing to
prevent skin exposure.
Clothing:
Wear appropriate protective clothing to minimize
contact with skin.
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: odorless
pH: Not available.
Vapor Pressure: 14.5 mmHg @ 150
Viscosity: 10.34 cP 30C
Boiling Point: 282-288C
Freezing/Melting Point: 27.4 deg C
Autoignition Temperature: 528 deg C ( 982.40 deg F)
Flash Point: 177 deg C ( 350.60 deg F)
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature: 220 deg C
Solubility in water: Competely miscible with water
Specific Gravity/Density: 1.2610
Molecular Formula: C4H8O2S
Molecular Weight: 120.1148

**** 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.
Hazardous Decomposition Products:
Carbon monoxide, oxides of sulfur, irritating and toxic fumes and
gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 126-33-0: XN0700000
LD50/LC50:
CAS# 126-33-0: Draize test, rabbit, eye: 253 mg Mild; Oral, mouse:
LD50 = 1900 mg/kg; Oral, rat: LD50 = 1540 uL/kg; Skin, rabbit: LD50 =
3180 uL/kg; Skin, rat: LD50 = >3800 mg/kg.
Carcinogenicity:
Sulfolane -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Chemical is stable and does not have any hydrolyzable functional
groups.

**** 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
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.
Safety Phrases:
S 25 Avoid contact with eyes.
WGK (Water Danger/Protection)
CAS# 126-33-0: 1
Canada
CAS# 126-33-0 is listed on Canada's DSL List.
CAS# 126-33-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 126-33-0 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 12/12/1997 Revision #2 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.
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ALL MSDS PAGES IN THIS GROUP
NAMECAS
Ethyl trans-2-hydroxy-1-cyclopentanecarboxylate (>95%)
Sulfur 7704-34-9
Sulfolane 126-33-0
Succinic Anhydride 108-30-5
Styrene, stabilized with 10-15 ppm tert-butylcatechol 98-29-3
(+)-2,3-O-Isopropylidene-L-threitol, 98+% 50622-09-8
Sulfuric acid 20-55% w/v 7664-93-9
Steel Wool
Strontium Carbonate 1633-05-2
Sorbic Acid 110-44-1
Sodium thioglycollate 367-51-1
Sodium Tauroglycocholate 0-00-0
Sodium Starch Glycolate
Sodium Metasilicate 6834-92-0
Sodium Sesquicarbonate Dihydrate 6106-20-3
Tetra-Sodium Pyrophosphate Anhydrous 7722-88-5
Sodium Propionate 137-40-6
Sodium persulfate 7775-27-1
Sodium perborate tetrahydrate 10486-00-7
Sodium selenite 10102-18-8
Sodium Selenate Decahydrate 10102-23-5
Sodium Metavanadate 131718-26-8
Sodium Metaborate Tetrahydrate 15293-77-3
Sodium metasilicate pentahydrate 6834-92-0
Sodium Malonate 141-95-7
Sodium Hypophosphite 7681-53-0
Sodium Hypochlorite Solution 1310-73-2
Sodium Hydrogen Tartrate Monohydrate 526-94-3
Sodium bisulfate 7681-38-1
Sodium Hydrogen Selenite 7782-82-3
Di-Sodium Hydrogen Citrate, Sesquihydrate 6132-05-4
Sodium Sulfite Hydrated 10102-15-5
2-Chloro-4-ethylamino-6-isopropylamino-s-triazine, 98% 1912-24-9
1,5-Diphenyl-1,5-pentanedione, 99% (uv-vis) 6263-83-8
Disodium hydrogen orthophosphate dihydrate 7558-79-4
Sodium b-Glycerophosphate Hydrate 1300-25-0
Sodium Gluconate 527-07-1
N,n,n',n'-Tetramethyldiaminomethane, 99% 51-80-9
Sodium Formaldehyde Sulfoxylate 149-44-0
Sodium Fluorosilicate 16893-85-9
Sodium Fluoroborate 13755-29-8
Sodium Hexacyanoferrate (II) Decahydrate 59299-99-9
Sodium Dithionite 7775-14-6
Sodium Cacodylate 124-65-2
Sodium Bismuthate 12232-99-4
Sodium Arsenate,Hydrated 10048-95-0
Sodium Aluminate 1302-47-7
Sodium Alginate 9005-38-3
Sodamide 0-00-0
Soda lime granules 2390-59-2

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