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BENZOYL ISOCYANATE
CAS No.: 4461-33-0
Synonyms:
Formula: C8H5NO2
Exact Mass: 147.03200
Molecular Weight: 147.13100
PSA: 46.50000
LogP: 1.16260
Reference Price: $1,965/kg Inquiry Now
BENZOYL ISOCYANATE 4461-33-0 MSDS
Name: Benzoyl isocyanate tech. 90% Material Safety Data Sheet
Synonym:
CAS: 4461-33-0
Section 1 - Chemical Product   MSDS Name:Benzoyl isocyanate tech. 90% Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
4461-33-0 Benzoyl isocyanate 90 224-717-5
Hazard Symbols: XN
Risk Phrases: 20/21/22 36/37/38

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful by inhalation, in contact with skin and if swallowed.
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin irritation. Harmful if absorbed through the skin.
Organic isocyanates can cause local irritation and allergic reactions.
Ingestion:
Harmful if swallowed.
Inhalation:
Causes respiratory tract irritation. At high concentrations, isocyanates affect mucous membranes of the respiratory tract and may lead to fatal pulmonary edema. Exposure to low and often even unmeasurable isocyanate concentration results in sensitization.
Chronic:
Chronic overexposure to isocyanates has been reported to cause lung damage, including decreased lung fuction, which may be permanent.

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:
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.
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:

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. Combustible liquid and vapor.
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. Remove all sources of ignition.
Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Ground and bond containers when transferring material. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Avoid ingestion and inhalation. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep away from heat and flame. Isocyanates react with water to form CO2 gas. This gas can cause sealed containers to expand and possibly rupture.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Keep under a nitrogen blanket.
Deep freeze (below -20C).

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# 4461-33-0: Personal Protective Equipment Eyes: Wear chemical splash goggles.
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: clear, colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 94 - 96 deg C @ 21mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 72 deg C ( 161.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 1.170 g/cm3
Molecular Formula: C6H5CONCO
Molecular Weight: 147.13

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Ignition sources, excess heat, exposure to moist air or water, confined spaces.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases, alcohols.
Hazardous Decomposition Products:
Nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 4461-33-0 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Benzoyl isocyanate - Not listed by ACGIH, IARC, or NTP.

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: ISOCYANATES, TOXIC, N.O.S.*
Hazard Class: 6.1
UN Number: 2206
Packing Group: III
IMO
Shipping Name: ISOCYANATES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 2206
Packing Group: III
RID/ADR
Shipping Name: ISOCYANATES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 2206
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XN
Risk Phrases:
R 20/21/22 Harmful by inhalation, in contact with
skin and if swallowed.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 4461-33-0: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 4461-33-0 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 4461-33-0 is not listed on the TSCA inventory.
It is for research and development use only.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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