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MSDS 
:
 1,2-Dichloroethylene, 99%, mixture of isomers
CAS 
:
 540-59-0
SYNONYMS 
:
 trans-Acetylene dichloride.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 540-59-0 |1,2-Dichloroethylene | 99 | 208-750-2 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XN F
Risk Phrases: 11 20 52/53

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

EMERGENCY OVERVIEW
Highly flammable. Harmful by inhalation. Harmful to aquatic
organisms, may cause long-term adverse effects in the aquatic
environment.

Potential Health Effects
Eye:
Causes moderate eye irritation.
Skin:
Causes moderate skin irritation. May cause dermatitis.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea. May be harmful if swallowed. May cause central nervous
system depression.
Inhalation:
Harmful if inhaled. May cause respiratory tract irritation. May
cause narcotic effects in high concentration.
Chronic:
Not available.

**** SECTION 4 - FIRST AID MEASURES ****

Eyes:
In case of contact, immediately flush eyes with plenty of water for
at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove
contaminated clothing and shoes. Get medical aid if irritation
develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by
medical personnel. Never give anything by mouth to an unconscious
person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. 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. Vapors may form an explosive mixture with air. Use
water spray to keep fire-exposed containers cool. Flammable liquid
and vapor. Fire or excessive heat may result in violent rupture of
the container due to bulk polymerization. Vapors are heavier than
air and may travel to a source of ignition and flash back. Vapors
can spread along the ground and collect in low or confined areas.
Hazardous polymerization may occur under fire conditions.
Extinguishing Media:
Use water fog, dry chemical, carbon dioxide, or regular foam.

**** 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. Remove all sources of ignition.
Use a spark-proof tool. Provide ventilation.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Ground and bond containers when transferring
material. Use spark-proof tools and explosion proof equipment. Avoid
contact with eyes, skin, and clothing. Empty containers retain
product residue, (liquid and/or vapor), and can be dangerous. Avoid
ingestion and inhalation. Do not pressurize, cut, weld, braze,
solder, drill, grind, or expose empty containers to heat, sparks or
open flames. Use only with adequate ventilation. Pure vapor will be
uninhibited and may polymerize in vents or other confined spaces.
Storage:
Keep away from sources of ignition. Store in a tightly closed
container. Flammables-area. Store protected from light and air.

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

Engineering Controls:
Use process enclosure, local exhaust ventilation, or other
engineering controls to control airborne levels below recommended
exposure limits. Facilities storing or utilizing this material should
be equipped with an eyewash facility and a safety shower.
Exposure Limits
CAS# 540-59-0:
United Kingdom, WEL - TWA: 200 ppm TWA; 806 mg/m3 TWA
United Kingdom, WEL - STEL: 250 ppm STEL; 1010 mg/m3 STEL
United States OSHA: 200 ppm TWA; 790 mg/m3 TWA
Belgium - TWA: 200 ppm VLE; 805 mg/m3 VLE
Germany: 200 ppm TWA; 800 mg/m3 TWA
Japan: 150 ppm OEL; 590 mg/m3 OEL
Malaysia: 200 ppm TWA; 793 mg/m3 TWA
Netherlands: 200 ppm MAC; 790 mg/m3 MAC
Spain: 200 ppm VLA-ED; 807 mg/m3 VLA-ED
Spain: 250 ppm VLA-EC; 1010 mg/m3 VLA-EC

Personal Protective Equipment

Eyes:
Wear chemical splash goggles.
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: Clear
Odor: Pleasant odor
pH: Not available.
Vapor Pressure: 201 mm Hg @ 25 deg C
Viscosity: Not available.
Boiling Point: 48-60 deg C @ 760 mm Hg
Freezing/Melting Point: -57 deg C
Autoignition Temperature: 440 deg C ( 824.00 deg F)
Flash Point: 6 deg C ( 42.80 deg F)
Explosion Limits, lower: 9.70 vol %
Explosion Limits, upper: 12.80 vol %
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: 1.2800
Molecular Formula: C2H2Cl2
Molecular Weight: 96.94

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

Chemical Stability:
Stable under normal temperatures and pressures. This material is a
monomer and may polymerize under certain conditions if the stabilizer
is lost.
Conditions to Avoid:
Light, ignition sources, exposure to air, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases, copper.
Hazardous Decomposition Products:
Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.

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

RTECS#:
CAS# 540-59-0: KV9360000
LD50/LC50:
CAS# 540-59-0: Draize test, rabbit, skin: 100 mg/24H Moderate;
Inhalation, mouse: LC50 = 21700 ppm/6H; Oral, mouse: LD50 = 2122
mg/kg; Oral, rat: LD50 = 770 mg/kg.
Carcinogenicity:
1,2-Dichloroethylene -
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: 1,2-DICHLOROETHYLENE
Hazard Class: 3
UN Number: 1150
Packing Group: II
IMO
Shipping Name: DICHLOROETHYLENE
Hazard Class: 3.2
UN Number: 1150
Packing Group: II
RID/ADR
Shipping Name: 1,2-DICHLOROETHYLENE
Hazard Class: 3
UN Number: 1150
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN F
Risk Phrases:
R 11 Highly flammable.
R 20 Harmful by inhalation.
R 52/53 Harmful to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 7 Keep container tightly closed.
S 16 Keep away from sources of ignition - No
smoking.
S 29 Do not empty into drains.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 540-59-0: 2
Canada
CAS# 540-59-0 is listed on Canada's NDSL List.
CAS# 540-59-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 540-59-0 is listed on the TSCA inventory.

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

MSDS Creation Date: 11/20/1997 Revision #4 Date: 3/17/2004

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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