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2-isocyanato-1,3-dimethylbenzene 28556-81-2 MSDS
Name: 2 6-Dimethylphenyl isocyanate 99% Material Safety Data Sheet
Synonym: 2-Isocyanato-1,3-dimethylbenzene
CAS: 28556-81-2
Section 1 - Chemical Product   MSDS Name:2 6-Dimethylphenyl isocyanate 99% Material Safety Data Sheet
Synonym:2-Isocyanato-1,3-dimethylbenzene

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
28556-81-2 2,6-Dimethylphenyl isocyanate 99 unlisted
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.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye irritation. Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin irritation. Harmful if absorbed through the skin. May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Organic isocyanates can cause local irritation and allergic reactions.
Ingestion:
Harmful if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
Harmful if inhaled. Causes respiratory tract irritation. May cause allergic respiratory reaction. 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:
Repeated exposure may cause allergic respiratory reaction (asthma).
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: Immediately 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. Do NOT use mouth-to-mouth resuscitation.
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. Combustible liquid and vapor. Avoid water contamination in closed containers or confined spaces because carbon dioxide (CO2) is evolved.
Extinguishing Media:
Use carbon dioxide or dry chemical.

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 or absorb material, then place into a suitable clean, dry, closed container for disposal. Provide ventilation. Do not get water inside containers.

Section 7 - HANDLING and STORAGE
  Handling:
Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Use with adequate ventilation. Do not allow contact with water. Wash clothing before reuse. Keep from contact with moist air and steam. Do not breathe vapor. Use only with adequate ventilation.
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:
Store in a tightly closed container. Keep refrigerated. (Store below 4C/39F.) Storage under a nitrogen blanket has been recommended.
Store in tightly closed containers to prevent moisture contamination.
Do not reseal if contamination is suspected.

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# 28556-81-2: 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:
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: Liquid
Color: light yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 87-89 deg C @ 12 mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 86 deg C ( 186.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: reacts evolving CO2
Specific Gravity/Density: 1.057 g/cm3
Molecular Formula: C9H9NO
Molecular Weight: 147.18

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable at room temperature in closed containers under normal storage and handling conditions. Reacts with water.
Conditions to Avoid:
Ignition sources, moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases, alcohols, amines.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, carbon dioxide.
Hazardous Polymerization: May occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 28556-81-2 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
2,6-Dimethylphenyl 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: II
IMO
Shipping Name: ISOCYANATES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 2206
Packing Group: II
RID/ADR
Shipping Name: ISOCYANATES, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 2206
Packing group: II

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# 28556-81-2: No information available.
Canada
CAS# 28556-81-2 is listed on Canada's DSL List.
CAS# 28556-81-2 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 28556-81-2 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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