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MSDS 
:
 Ethyl chloroformate, 99%
CAS 
:
 541-41-3
SYNONYMS 
:
 Carbonchloridic Acid, Ethyl Ester; Cathyl Chloride
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 541-41-3 |Ethyl chloroformate, 99% | | 208-778-5 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T F+
Risk Phrases: 11 22 26 34

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

EMERGENCY OVERVIEW
Highly flammable. Harmful if swallowed. Very toxic by inhalation.
Causes burns.Moisture sensitive.Lachrymator (substance which
increases the flow of tears).Corrosive.Air sensitive.

Potential Health Effects
Eye:
Lachrymator (substance which increases the flow of tears). Causes
severe eye irritation and possible burns.
Skin:
May cause skin sensitization, an allergic reaction, which becomes
evident upon re-exposure to this material. Causes skin irritation
and possible burns.
Ingestion:
Harmful if swallowed. Causes gastrointestinal irritation with
nausea, vomiting and diarrhea. May cause burns to the
gastrointestinal tract.
Inhalation:
May be fatal if inhaled. May cause burns to the respiratory tract.
Causes upper respiratory tract irritation. Can produce delayed
pulmonary edema.
Chronic:
Not available.

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

Eyes:
Get medical aid immediately. Do NOT allow victim to rub or keep eyes
closed. Extensive irrigation with water is required (at least 30
minutes).
Skin:
Get medical aid immediately. Immediately flush skin with plenty of
soap and water for at least 15 minutes while removing contaminated
clothing and shoes. Wash clothing before reuse. Remove contaminated
clothing and shoes.
Ingestion:
Never give anything by mouth to an unconscious person. Get medical
aid immediately. Do NOT induce vomiting. If conscious and alert,
rinse mouth and drink 2-4 cupfuls of milk or water.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air
immediately. If breathing is difficult, give oxygen.
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.
Vapors can travel to a source of ignition and flash back. Vapors may
be heavier than air. They can spread along the ground and collect in
low or confined areas.
Extinguishing Media:
Do NOT use water directly on fire. Use water spray to cool
fire-exposed containers. Use foam, dry chemical, or carbon dioxide.
Contact professional fire-fighters immediately.

**** 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. A vapor suppressing foam may be
used to reduce vapors.

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

Handling:
Wash thoroughly after handling. Remove contaminated clothing and
wash before reuse. Use only in a well-ventilated area. Ground and
bond containers when transferring material. Do not get in eyes, on
skin, or on clothing. Empty containers retain product residue,
(liquid and/or vapor), and can be dangerous. Do not ingest or inhale.
Discard contaminated shoes. Do not pressurize, cut, weld, braze,
solder, drill, grind, or expose empty containers to heat, sparks or
open flames.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of
ignition. Store in a cool, dry, well-ventilated area away from
incompatible substances. Refrigerator/flammables. Keep containers
tightly closed.

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

Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
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:
Follow the OSHA respirator regulations found in 29CFR
1910.134 or European Standard EN 149. Always use a
NIOSH or European Standard EN 149 approved respirator
when necessary.

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

Physical State: Liquid
Appearance: clear water white
Odor: sharp odor
pH: Not available.
Vapor Pressure: 54.6 hPa @ 20 C
Viscosity: Not available.
Boiling Point: 93 deg C @ 760.00mm Hg
Freezing/Melting Point: -80.6 deg C
Autoignition Temperature: 450 deg C ( 842.00 deg F)
Flash Point: 10 deg C ( 50.00 deg F)
Explosion Limits, lower: 3.70 vol %
Explosion Limits, upper: 12.60 vol %
Decomposition Temperature: >70 deg C
Solubility in water: decomposes, practically insoluable
Specific Gravity/Density: 1.1350g/cm3
Molecular Formula: C3H5ClO2
Molecular Weight: 108.52

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

Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Ignition sources, moisture, exposure to air, contact with water,
metals, excess heat, electrical sparks.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, phosgene, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

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

RTECS#:
CAS# 541-41-3: LQ6125000
LD50/LC50:
CAS# 541-41-3: Inhalation, rat: LC50 = 840 mg/m3/1H; Oral, rat: LD50
= 270 mg/kg; Skin, rabbit: LD50 = 7120 mg/kg.
Carcinogenicity:
Ethyl chloroformate, 99% -
Not listed by ACGIH, IARC, NIOSH, NTP, or OSHA.
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: ETHYL CHLOROFORMATE
Hazard Class: 6.1
UN Number: 1182
Packing Group:
IMO
Shipping Name: ETHYL CHLOROFORMATE
Hazard Class: 6.1
UN Number: 1182
Packing Group: I
RID/ADR
Shipping Name: ETHYL CHLOROFORMATE
Dangerous Goods Code: 6.1(10A)
UN Number: 1182

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T F+
Risk Phrases:
R 11 Highly flammable.
R 22 Harmful if swallowed.
R 26 Very toxic by inhalation.
R 34 Causes burns.
Safety Phrases:
S 9 Keep container in a well-ventilated place.
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 28A After contact with skin, wash immediately with
plenty of water.
S 33 Take precautionary measures against static
discharges.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
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# 541-41-3: 2
United Kingdom Occupational Exposure Limits
CAS# 541-41-3: OES-United Kingdom, TWA 1 ppm TWA; 4.5 mg/m3 TWA

Canada
CAS# 541-41-3 is listed on Canada's DSL List.
CAS# 541-41-3 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 541-41-3: OEL-UNITED KINGDOM:TWA 1 ppm (4.4 mg/m3)
US FEDERAL
TSCA
CAS# 541-41-3 is listed on the TSCA inventory.

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

MSDS Creation Date: 11/13/1997 Revision #2 Date: 8/02/2000

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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