Ethyl chloroformate 541-41-3 MSDS
Name: Ethyl chloroformate 99% Material Safety Data Sheet
Synonym: Carbonchloridic Acid, Ethyl Ester; Cathyl Chlorid
CAS: 541-41-3
Section 1 - Chemical Product   MSDS Name:Ethyl chloroformate 99% Material Safety Data Sheet
Synonym:Carbonchloridic Acid, Ethyl Ester; Cathyl Chlorid

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content 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
N/A

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