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Tosyl Isocyanate
CAS No.: 4083-64-1
Synonyms:
Formula: C8H7NO3S
Exact Mass: 197.01500
Molecular Weight: 197.21100
PSA: 71.95000
LogP: 2.10030
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Tosyl Isocyanate 4083-64-1 MSDS
Name: p-Toluenesulfonyl Isocyanate 96+% Material Safety Data Sheet
Synonym: Tosyl isocyanate; PTSI; 4-Isocyanatosulphonyltoluene; Benzenesulfonyl isocyanate, 4-methyl-; Tosyl isocyanate, para
CAS: 4083-64-1
Section 1 - Chemical Product   MSDS Name:p-Toluenesulfonyl Isocyanate 96+% Material Safety Data Sheet
Synonym:Tosyl isocyanate; PTSI; 4-Isocyanatosulphonyltoluene; Benzenesulfonyl isocyanate, 4-methyl-; Tosyl isocyanate, para

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
4083-64-1 p-Toluenesulfonyl isocyanate 96+ 223-810-8
Hazard Symbols: XN
Risk Phrases: 14 36/37/38 42

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Reacts violently with water. Irritating to eyes, respiratory system and skin. May cause sensitization by inhalation.Water-reactive.Lachrymator (substance which increases the flow of tears).
Potential Health Effects
Eye:
Causes eye irritation. Lachrymator (substance which increases the flow of tears). When substance becomes wet or comes in contact with moisture of the mucous membranes, it will cause irritation. May cause chemical conjunctivitis.
Skin:
May cause skin sensitization, an allergic reaction, which becomes evident upon re-exposure to this material. Contact with skin causes irritation and possible burns, especially if the skin is wet or moist.
Ingestion:
May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
Causes respiratory tract irritation. Can produce delayed pulmonary edema. May cause respiratory sensitization.
Chronic:
Effects may be delayed.

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. Do NOT allow victim to rub eyes or keep eyes closed.
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. If water-reactive products are embedded in the skin, no water should be applied. The embedded products should be covered with a light oil.
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.
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:
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. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. May ignite or explode on contact with steam or moist air.
Extinguishing Media:
Use dry sand or earth to smother fire. Use foam, dry chemical, or carbon dioxide. DO NOT USE WATER! 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. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation. Do not expose spill to water.

Section 7 - HANDLING and STORAGE
  Handling:
Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Do not allow water to get into the container because of violent reaction. Avoid contact with eyes, skin, and clothing. Keep container tightly closed. Avoid ingestion and inhalation. Do not allow contact with water. Keep from contact with moist air and steam.
Storage:
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water.

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# 4083-64-1: 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:
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: clear, colorless
Odor: None reported.
pH: Not available.
Vapor Pressure: 1 mm Hg @ 100 deg C
Viscosity: Not available.
Boiling Point: 144 deg C @ 10.00 mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: 145 deg C ( 293.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density: 1.2950 g/cm3
Molecular Formula: C8H7NO3S
Molecular Weight: 197.21

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures. Combines vigorously or explosively with water.
Conditions to Avoid:
Incompatible materials, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Water, alcohols, amines, acids, strong bases, strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen cyanide, nitrogen oxides, carbon monoxide, oxides of sulfur, irritating and toxic fumes and gases, carbon dioxide, nitrogen.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 4083-64-1: DB9032000 LD50/LC50:
CAS# 4083-64-1: Draize test, rabbit, eye: 100 uL Moderate; Draize test, rabbit, skin: 500 uL/24H Mild; Inhalation, rat: LC50 = >640 ppm/1H; Oral, rat: LD50 = 2234 mg/kg.
Carcinogenicity:
p-Toluenesulfonyl isocyanate - Not listed by ACGIH, IARC, or NTP.
Other:
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: 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 14 Reacts violently with water.
R 36/37/38 Irritating to eyes, respiratory system
and skin.
R 42 May cause sensitization by inhalation.
Safety Phrases:
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 30 Never add water to this product.
WGK (Water Danger/Protection)
CAS# 4083-64-1: 1
Canada
CAS# 4083-64-1 is listed on Canada's DSL List.
CAS# 4083-64-1 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 4083-64-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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