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Name:
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Dimethylaminosulfur Trifluoride Material Safety Data Sheet
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Synonym:
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Methyl DAS
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CAS:
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3880-03-3
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Section 1 - Chemical Product
MSDS Name:Dimethylaminosulfur Trifluoride Material Safety Data Sheet
Synonym:Methyl DAS
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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3880-03-3
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Dimethylaminosulfur Trifluoride
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ca 100
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unlisted
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Hazard Symbols: F C
Risk Phrases: 11 14 34
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Highly flammable. Reacts violently with water. Causes burns.Highly flammable.Water-reactive.Corrosive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns.
Inhalation:
Causes chemical burns to the respiratory tract. Vapors may cause dizziness or suffocation.
Chronic:
No information found.
Section 4 - FIRST AID MEASURES
Eyes: Get medical aid immediately. Do NOT allow victim to rub eyes 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 water for at least 15 minutes while removing contaminated clothing and shoes. Wash clothing before reuse. Destroy contaminated 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 and move to fresh air immediately. If breathing is difficult, give oxygen. Do NOT use mouth-to-mouth resuscitation. If breathing has ceased apply artificial respiration using oxygen and a suitable mechanical device such as a bag and a mask.
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. 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. Use water spray to keep fire-exposed containers cool. Water may be ineffective.
Material is lighter than water and a fire may be spread by the use of water. Flammable liquid and vapor. Reacts violently with water.
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. Will be easily ignited by heat, sparks or flame. Containers may explode if exposed to fire.
Extinguishing Media:
Use dry sand or earth to smother fire. If water is the only media available, use in flooding amounts. Use dry chemical to fight fire.
DO NOT USE WATER! Contact professional fire-fighters immediately.
Cool containers with flooding quantities of water until well after fire is out.
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. Avoid runoff into storm sewers and ditches which lead to waterways. 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. Remove all sources of ignition. Use a spark-proof tool.
Provide ventilation. Do not expose spill to water.
Section 7 - HANDLING and STORAGE
Handling:
Do not allow water to get into the container because of violent reaction. Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing.
Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep away from heat, sparks and flame. Use with adequate ventilation. Do not allow contact with water. Discard contaminated shoes. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames. Keep from contact with moist air and steam.
Storage:
Keep away from heat and flame. Keep away from sources of ignition.
Store in a tightly closed container. Store in a dry area. Keep away from water. Flammables-area. Keep refrigerated. (Store below 4C/39F.)
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use explosion-proof ventilation equipment. 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# 3880-03-3: 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 minimize contact with skin.
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: almost colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 117.5 deg C @ 760.00mm Hg
Freezing/Melting Point: -78.7 deg C
Autoignition Temperature: Not available.
Flash Point: 10 deg C ( 50.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: reacts
Specific Gravity/Density: 1.3640g/cm3
Molecular Formula: C2H6F3NS
Molecular Weight: 133.13
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Combines vigorously or explosively with water.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong acids, strong bases, strong oxidizing agents, strong reducing agents.
Hazardous Decomposition Products:
Carbon monoxide, oxides of nitrogen, oxides of sulfur, carbon dioxide, hydrogen fluoride gas.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 3880-03-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Dimethylaminosulfur Trifluoride - Not listed by ACGIH, IARC, or NTP.
Section 12 - ECOLOGICAL INFORMATION
Other No information available.
Section 13 - DISPOSAL CONSIDERATIONS
Dispose of in a manner consistent with federal, state, and local regulations.
Section 14 - TRANSPORT INFORMATION
IATA
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.*
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3.2 (8)
UN Number: 2924
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing group: II
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 14 Reacts violently with water.
R 34 Causes burns.
Safety Phrases:
S 8 Keep container dry.
S 16 Keep away from sources of ignition - No
smoking.
S 25 Avoid contact with eyes.
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# 3880-03-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 3880-03-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 3880-03-3 is not listed on the TSCA inventory.
It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION N/A
