Tariff Code :

3302.10.0000

**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 141-05-9 |Diethyl maleate | | 205-451-9 |
|----------------|--------------------------------------|----------|-----------|
| 623-91-6 |Diethyl fumarate | 1.5% | 210-819-7 |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: XI
Risk Phrases: 43

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

EMERGENCY OVERVIEW
May cause sensitization by skin contact.

Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May be harmful if absorbed through the skin. May cause sensitization
by skin contact.
Ingestion:
May cause irritation of the digestive tract. May be harmful if
swallowed.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
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.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid. Wash mouth out with 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. Will burn if involved in a fire.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical 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.

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

Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin
and eyes.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

**** 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# 141-05-9:

Russia: 1 mg/m3 TWA
CAS# 623-91-6:


Personal Protective Equipment

Eyes:
Not available.
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: colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: 1.3hPa @50 deg C
Viscosity: Not available.
Boiling Point: 225 deg C @760mmHg
Freezing/Melting Point: -11 deg C
Autoignition Temperature: 295 deg C ( 563.00 deg F)
Flash Point: 93 deg C ( 199.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Insoluble.
Specific Gravity/Density: 1.064
Molecular Formula: C8H12O4
Molecular Weight: 172.18

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

Chemical Stability:
Not available.
Conditions to Avoid:
Incompatible materials.
Incompatibilities with Other Materials:
Acids, bases, oxidizing agents, reducing agents.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 141-05-9: ON1225000
CAS# 623-91-6: EM5950000
LD50/LC50:
CAS# 141-05-9: Oral, rat: LD50 = 3200 mg/kg; Skin, rabbit: LD50 = 4
mL/kg; Skin, rat: LD50 = 5 gm/kg.
CAS# 623-91-6: Oral, rat: LD50 = 1780 mg/kg.
Carcinogenicity:
Diethyl maleate -
Not listed by ACGIH, IARC, or NTP.
Diethyl fumarate -
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
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: XI
Risk Phrases:
R 43 May cause sensitization by skin contact.
Safety Phrases:
S 24 Avoid contact with skin.
S 37 Wear suitable gloves.
WGK (Water Danger/Protection)
CAS# 141-05-9: No information available.
CAS# 623-91-6: No information available.
Canada
CAS# 141-05-9 is listed on Canada's DSL List.
CAS# 623-91-6 is listed on Canada's DSL List.
CAS# 141-05-9 is not listed on Canada's Ingredient Disclosure List.
CAS# 623-91-6 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 141-05-9 is listed on the TSCA inventory.
CAS# 623-91-6 is listed on the TSCA inventory.

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

Text for R-phrases from Section 2
MSDS Creation Date: 4/03/2003 Revision #0 Date: Original.

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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