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MSDS 
:
 1,4,5,6,7,7-Hexachloro-5-Norbornene-2,3-Dicarboxylic Anhydride, 96%
CAS 
:
 115-27-5
SYNONYMS 
:
 Chlorendic anhydride
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 115-27-5 |4,7-methanoisobenzofuran-1,3-dione, 4,| 96 | 204-077-3 |
| |5,6,7,8,8-hexachloro- | | |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: XI
Risk Phrases: 36/37/38

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

EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.Moisture sensitive.

Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye
burns. May cause chemical conjunctivitis.
Skin:
May cause severe irritation and possible burns.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and
diarrhea.
Inhalation:
May cause severe irritation of the respiratory tract with sore
throat, coughing, shortness of breath and delayed lung edema. The
toxicological properties of this substance have not been fully
investigated. Can produce delayed pulmonary edema.
Chronic:
Effects may be delayed.

**** 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. 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. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Substance
is nonflammable. Vapors may be heavier than air. They can spread
along the ground and collect in low or confined areas.
Extinguishing Media:
Substance is nonflammable; use agent most appropriate to extinguish
surrounding fire. Use agent most appropriate to extinguish fire. Do
NOT get water inside containers. Use water spray, dry chemical,
carbon dioxide, or appropriate foam.

**** SECTION 6 - ACCIDENTAL RELEASE MEASURES ****

General Information: Use proper personal protective equipment as indicated
in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective
Equipment section. Sweep up, then place into a suitable container for
disposal. Avoid generating dusty conditions. Provide ventilation. Do
not get water inside containers.

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

Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Minimize dust generation and accumulation. Avoid contact with eyes,
skin, and clothing. Keep container tightly closed. Avoid ingestion
and inhalation. Do not allow contact with water. Wash clothing
before reuse. Keep from contact with moist air and steam.
Storage:
Store in a tightly closed container. Store in a cool, dry,
well-ventilated area away from incompatible substances. Store
protected from moisture.

**** 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# 115-27-5:

Russia: 1 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: Crystalline powder
Color: white crystalline powder
Odor: None reported.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 235.00 - 239.00 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: slightly soluble
Specific Gravity/Density: 1.73
Molecular Formula: C9H2Cl6O3
Molecular Weight: 370.82

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions.
Conditions to Avoid:
Incompatible materials, dust generation, moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases, moisture.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, irritating and toxic fumes and
gases, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 115-27-5: RB9080000
LD50/LC50:
CAS# 115-27-5: Draize test, rabbit, eye: 100 mg Severe; Inhalation,
rabbit: LC50 = >1 gm/m3; Inhalation, rat: LC50 = >1 gm/m3; Oral,
mouse: LD50 = 2400 mg/kg; Oral, rat: LD50 = 2300 mg/kg; Skin, rabbit:
LD50 = >3 gm/kg.
Carcinogenicity:
4,7-methanoisobenzofuran-1,3-dione, 4,5,6,7,8,8-hexachloro- -
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: CORROSIVE SOLID, N.O.S.*
Hazard Class: 8
UN Number: 1759
Packing Group: II
IMO
Shipping Name: CORROSIVE SOLID, N.O.S.
Hazard Class: 8
UN Number: 1759
Packing Group: II
RID/ADR
Shipping Name: CORROSIVE SOLID, N.O.S.
Hazard Class: 8
UN Number: 1759
Packing group: II

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 25 Avoid contact with eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
S 37 Wear suitable gloves.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
WGK (Water Danger/Protection)
CAS# 115-27-5: No information available.
Canada
CAS# 115-27-5 is listed on Canada's DSL List.
CAS# 115-27-5 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 115-27-5 is listed on the TSCA inventory.

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

MSDS Creation Date: 9/02/1997 Revision #6 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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NAMECAS
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2-(1,3,4-Oxadiazol-2-yl)phenol, 97% 1008-65-7
2-Trimethylsilyl-1,3-dithiane, 97+% 13411-42-2
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1-(4-Iodophenyl)-1H-pyrrole-2-carbaldehyde, TECH 261178-18-1
1-Ethyl 4-(2-oxo-1,2-diphenylethyl) succinate, 97% 499785-49-8
2-[(1-Methyl-1H-imidazol-2-yl)thio]ethan-1-ol, 97% 53064-92-9
4-Phenyl-1,2,3-thiadiazol-5-amine, 97% 78301-72-1
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1,2,3-Thiadiazole-4-carboxamide, 97% 4100-20-3
3-(Methylthio)-4-oxo-4,5,6,7-tetrahydro-2- 499771-14-1
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Ethylenebis(oxyethylenenitrilo)tetraacetic acid 67-42-5
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5-Benzhydryl-1H-pyrazole, 97% 143547-74-4
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Ethyl Ether 60-29-7
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