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MSDS 
:
 1,3-Dioxolane, 99%, Stab. With 50ppm BHT and 100ppm Triethylamine
CAS 
:
 646-06-0
SYNONYMS 
:
 1,3-Dioxacyclopentane; 1,3-Dioxolan; Dioxolane; 1,3-Dioxole; Formal     glycol; Glycolformal; Glycol methylene ether.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 646-06-0 |1,3-Dioxolane | 99 | 211-463-5 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI F
Risk Phrases: 11 36/37/38

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

EMERGENCY OVERVIEW
Highly flammable. Irritating to eyes, respiratory system and
skin.Highly flammable.

Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation.
Ingestion:
Causes gastrointestinal irritation with nausea, vomiting and
diarrhea. Ingestion of large doses has caused decreased body weight
gain, increased absolute and relative liver weights, increased white
blood count, discoloration of the liver, enlarged and dark spleens
in animals.
Inhalation:
Causes respiratory tract irritation. May cause effects similar to
those described for ingestion. Vapors may cause dizziness or
suffocation.
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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing
before reuse.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid. Do NOT induce vomiting. If conscious and alert, rinse mouth and
drink 2-4 cupfuls of milk or water.
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:
Treat symptomatically and supportively.

**** 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. Vapors may form an explosive mixture with air.
Vapors can travel to a source of ignition and flash back. During a
fire, irritating and highly toxic gases may be generated by thermal
decomposition or combustion. Will burn if involved in a fire. Use
water spray to keep fire-exposed containers cool. Water may be
ineffective. Material is lighter than water and a fire may be spread
by the use of water. Flammable liquid and vapor. Vapors may be
heavier than air. They can spread along the ground and collect in
low or confined areas. Will be easily ignited by heat, sparks or
flame. Containers may explode if exposed to fire.
Extinguishing Media:
For small fires, use dry chemical, carbon dioxide, water spray or
alcohol-resistant foam. Water may be ineffective. Water may spread
fire. If water is the only media available, use in flooding amounts.
For large fires, use water spray, fog or alcohol-resistant foam. Do
NOT use straight streams of water. 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. Avoid runoff into storm sewers and
ditches which lead to waterways. 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. Remove all sources of ignition. Provide ventilation.

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

Handling:
Ground and bond containers when transferring material. Use
spark-proof tools and explosion proof equipment. Avoid breathing
dust, vapor, mist, or gas. Avoid contact with eyes, skin, and
clothing. Empty containers retain product residue, (liquid and/or
vapor), and can be dangerous. Keep container tightly closed. Keep
away from heat, sparks and flame. Avoid ingestion and inhalation.
Use with adequate ventilation. Wash clothing before reuse. Do not
pressurize, cut, weld, braze, solder, drill, grind, or expose empty
containers to heat, sparks or open flames.
Storage:
Keep away from heat and flame. Keep away from sources of ignition.
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances.
Flammables-area.

**** 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 adequate
ventilation to keep airborne concentrations low.
Exposure Limits
CAS# 646-06-0:

Russia: 50 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 to prevent skin
exposure.
Clothing:
Wear appropriate protective clothing to prevent skin
exposure.
Respirators:
A respiratory protection program that meets OSHA's 29
CFR 1910.134 and ANSI Z88.2 requirements or European
Standard EN 149 must be followed whenever workplace
conditions warrant respirator use.

**** SECTION 9 - PHYSICAL AND CHEMICAL PROPERTIES ****

Physical State: Liquid
Color: water-white
Odor: Ether-like odor.
pH: Not available.
Vapor Pressure: 70 mm Hg @ 20 C
Viscosity: mPas 20 deg C
Boiling Point: 74 - 75 deg C
Freezing/Melting Point: -95 deg C
Autoignition Temperature: 274 deg C ( 525.20 deg F)
Flash Point: -6 deg C ( 21.20 deg F)
Explosion Limits, lower: 2.1%
Explosion Limits, upper: 20.5%
Decomposition Temperature:
Solubility in water: Soluble.
Specific Gravity/Density: 1.060 g/cm3
Molecular Formula: C3H6O2
Molecular Weight: 74.08

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Mechanical shock, incompatible materials, ignition sources, excess
heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong acids, strong bases, strong oxidizing agents, strong reducing
agents.
Hazardous Decomposition Products:
Carbon monoxide, irritating and toxic fumes and gases, carbon
dioxide.
Hazardous Polymerization: Will not occur.

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

RTECS#:
CAS# 646-06-0: JH6760000
LD50/LC50:
CAS# 646-06-0: Inhalation, mouse: LC50 = 10500 mg/m3/2H; Inhalation,
rat: LC50 = 20650 mg/m3/4H; Oral, mouse: LD50 = 3200 mg/kg; Oral,
rabbit: LD50 = 5200 mg/kg; Oral, rat: LD50 = 3 gm/kg; Skin, rabbit:
LD50 = 8480 uL/kg; Skin, rat: LD50 = 15 gm/kg.
Carcinogenicity:
1,3-Dioxolane -
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 ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: DIOXOLANE
Hazard Class: 3
UN Number: 1166
Packing Group: II
IMO
Shipping Name: DIOXOLANE
Hazard Class: 3.2
UN Number: 1166
Packing Group: II
RID/ADR
Shipping Name: DIOXOLANE
Hazard Class: 3
UN Number: 1166
Packing group: II

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI F
Risk Phrases:
R 11 Highly flammable.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
WGK (Water Danger/Protection)
CAS# 646-06-0: 1
Canada
CAS# 646-06-0 is listed on Canada's DSL List.
CAS# 646-06-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 646-06-0 is listed on the TSCA inventory.

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

MSDS Creation Date: 2/25/1999 Revision #2 Date: 11/05/2002

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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