Benzyl chloroformate 501-53-1 MSDS
Name: Benzyl Chloroformate Material Safety Data Sheet
Synonym: Carbobenzloxy chloride; chloroformic acid benzyl ester; benzylcarbonyl chloride
CAS: 501-53-1
Section 1 - Chemical Product   MSDS Name:Benzyl Chloroformate Material Safety Data Sheet
Synonym:Carbobenzloxy chloride; chloroformic acid benzyl ester; benzylcarbonyl chloride

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
501-53-1 Benzyl chloroformate 100 % 207-925-0
Hazard Symbols: C N
Risk Phrases: 34 50/53

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Causes burns. Very toxic to aquatic organisms; may cause long-term adverse effects in the aquatic environment.Corrosive.Lachrymator (substance which increases the flow of tears).Water-Reactive.
Potential Health Effects
Eye:
Contact with eyes may cause severe irritation, and possible eye burns. Lachrymator (substance which increases the flow of tears).
Skin:
May cause severe irritation and possible burns.
Ingestion:
May cause severe gastrointestinal tract irritation with nausea, vomiting and possible burns.
Inhalation:
May cause severe irritation of the respiratory tract with sore throat, coughing, shortness of breath and delayed lung edema. Causes chemical burns to the respiratory tract. Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.
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.
Ingestion:
Do NOT induce vomiting. If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation:
Get medical aid immediately. Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. 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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Reacts violently with water.
Extinguishing Media:
Do NOT use water directly on fire. Use foam, dry chemical, or carbon dioxide.

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. Clean up spills immediately, observing precautions in the Protective Equipment section. Scoop up with a nonsparking tool, then place into a suitable container for disposal.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not get in eyes, on skin, or on clothing.
Avoid contact with heat, sparks and flame. Do not ingest or inhale.
Storage:
Keep away from heat, sparks, and flame. Keep away from sources of ignition. Store in a cool, dry place. Keep refrigerated. (Store below 4C/39F.)

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
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 to light yellow
Odor: Phosgene odor.
pH: Not available.
Vapor Pressure: 2 mmHg @ 78 C
Viscosity: Not available.
Boiling Point: 103 deg C
Freezing/Melting Point: 0 deg C
Autoignition Temperature: Not applicable.
Flash Point: 197 deg F ( 91.67 deg C)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: >100 C
Solubility in water: Insoluble in water.
Specific Gravity/Density: 1.2
Molecular Formula: C8H7ClO2
Molecular Weight: 170.5008

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Substance is shock sensitive and thermally unstable. Decomposes when heated.
Conditions to Avoid:
Mechanical shock, incompatible materials, ignition sources, temperatures above 100C, exposure to moist air or water.
Incompatibilities with Other Materials:
Acids. Can react with rust from corroded equipment. Iron salts catalyze explosive decomposition of ester. Reacts with water or steam.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, phosgene, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 501-53-1 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Benzyl chloroformate - 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
  Products which are considered hazardous for supply are classified as Special Waste and the disposal of such chemicals is covered by regulations which may vary according to location. Contact a specialist disposal company or the local waste regulator for advice. Empty containers must be decontaminated before returning for recycling.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: BENZYL CHLOROFORMATE
Hazard Class: 8
UN Number: 1739
Packing Group: I
IMO
Shipping Name: BENZYL CHLOROFORMATE
Hazard Class: 8
UN Number: 1739
Packing Group: I
RID/ADR
Shipping Name: BENZYL CHLOROFORMATE
Dangerous Goods Code: 8
UN Number: 1739

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C N
Risk Phrases:
R 34 Causes burns.
R 50/53 Very toxic to aquatic organisms; may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and/or its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/Safety data sheets.
WGK (Water Danger/Protection)
CAS# 501-53-1: No information available.
United Kingdom Occupational Exposure Limits
Canada
CAS# 501-53-1 is listed on Canada's NDSL List.
CAS# 501-53-1 is listed on Canada's Ingredient Disclosure List.
Exposure Limits
US FEDERAL
TSCA
CAS# 501-53-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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