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thionyl dichloride
CAS No.: 7719-09-7
Synonyms:
Formula: Cl2OS
Exact Mass: 117.90500
Molecular Weight: 118.97000
PSA: 36.28000
LogP: 1.90840
Reference Price: $474/ton Inquiry Now
thionyl dichloride 7719-09-7 MSDS
Name: Thionyl Chloride Material Safety Data Sheet
Synonym: Sulfinyl Chloride, Thionyl Chloride, Sulfur Chloride Oxide, Sulfurous Dichloride
CAS: 7719-09-7
Section 1 - Chemical Product   MSDS Name:Thionyl Chloride Material Safety Data Sheet
Synonym:Sulfinyl Chloride, Thionyl Chloride, Sulfur Chloride Oxide, Sulfurous Dichloride

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
7719-09-7
Hazard Symbols: C
Risk Phrases:

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Reacts violently with water. Harmful by inhalation and if swallowed.
Contact with water liberates toxic gas. Causes severe burns.Corrosive.Lachrymator (substance which increases the flow of tears).Water-Reactive.
Potential Health Effects
Eye:
Causes eye burns. Causes redness and pain. Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin burns. May be absorbed through the skin in harmful amounts. Causes redness and pain.
Ingestion:
Harmful if swallowed. May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns.
Inhalation:
Harmful if inhaled. 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: Get medical aid immediately. Do NOT allow victim to rub 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 soap and 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 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. Water Reactive. Material will react with water and may release a flammable and/or toxic gas. Containers may explode in the heat of a fire. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas. Contact with metals may evolve flammable hydrogen gas.
Extinguishing Media:
Do NOT use water directly on fire. If water is the only media available, use in flooding amounts. Do NOT get water inside containers. Cool containers with flooding quantities of water until well after fire is out. For small fires, use dry chemical or carbon dioxide.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Avoid runoff into storm sewers and ditches which lead to waterways.
Clean up spills immediately, observing precautions in the Protective Equipment section. Use a spark-proof tool. Do not get water inside containers. Cover with dry earth, dry sand, or other non-combustible material followed with plastic sheet to minimize spreading and contact with water.

Section 7 - HANDLING and STORAGE
  Handling:
Keep container tightly closed. Do not get on skin or in eyes. Do not ingest or inhale. Use with adequate ventilation. Do not allow contact with water. Discard contaminated shoes.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep away from water. Corrosives area. Keep away from acids. Do not store in metal containers.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels below recommended exposure limits. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use only under a chemical fume hood.
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 nitrile-latex gloves, apron, and/or clothing.
Wear appropriate protective gloves to prevent skin exposure.
Clothing:
Wear nitrile-latex gloves, apron, and/or 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 a respirator's use.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Liquid
Color: clear colorless to slightly yellow
Odor: Suffocating odor
pH: Not available.
Vapor Pressure: 110 mm Hg @ 26 deg C
Viscosity: 0.801 deg C
Boiling Point: 76 deg C @ 760.00mm Hg
Freezing/Melting Point: -105 deg C
Autoignition Temperature: Not available.
Flash Point: Not applicable.
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature: 140 deg C
Solubility in water: reacts with water forming sulfur dioxide
Specific Gravity/Density: 1.6310g/cm3
Molecular Formula: Cl2OS
Molecular Weight: 118.97

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Reacts violently with water to form the toxic gases Hydrogen Chloride and Sulfur Dioxide.
Conditions to Avoid:
Incompatible materials, contact with water, acids, metals, alkaline materials, temperatures above 140C.
Incompatibilities with Other Materials:
Water, metals, ammonia, dimethyl sulfoxide, dimethyl formamide, lithium, sodium, alkalies.
Hazardous Decomposition Products:
Hydrogen chloride, chlorine, oxides of sulfur.
Hazardous Polymerization: Will not occur.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 7719-09-7: XM5150000 LD50/LC50:
Not available.
Carcinogenicity:
Thionyl chloride - 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
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
Shipping Name: THIONYL CHLORIDE
Hazard Class: 8
UN Number: 1836
Packing Group: I
IMO
Shipping Name: THIONYL CHLORIDE
Hazard Class: 8
UN Number: 1836
Packing Group: I
RID/ADR
Shipping Name: THIONYL CHLORIDE
Hazard Class: 8
UN Number: 1836
Packing group: I

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 14 Reacts violently with water.
R 20/22 Harmful by inhalation and if swallowed.
R 29 Contact with water liberates toxic gas.
R 35 Causes severe burns.
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.
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# 7719-09-7: 1
United Kingdom Occupational Exposure Limits
United Kingdom Maximum Exposure Limits
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 7719-09-7 is not listed on Canada's Ingredient Disclosure List.
Exposure Limits
CAS# 7719-09-7: OEL-AUSTRALIA:TWA 1 ppm (5 mg/m3)
OEL-BELGIUM:STEL 1 ppm (4.9 mg/m3)
OEL-DENMARK:TWA 1 ppm (5 mg/m3)
OEL-THE NETHERLANDS:TWA 1 ppm (5 mg/m3)
OEL-SWITZERLAND:TWA 1 ppm (5 mg/m3)
OEL-UNITED KINGDOM:STEL 1 ppm (5 mg/m3)
OEL IN BULGARIA, COLOMBIA, JORDAN, KOREA check ACGIH TLV
OEL IN NEW ZEALAND, SINGAPORE, VIETNAM check ACGI TLV
US FEDERAL
TSCA
CAS# 7719-09-7 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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