trichloromethyl thiohypochlorite 594-42-3 MSDS
Name: Perchloromethyl mercaptan 97% Material Safety Data Sheet
Synonym: Trichloromethanesulfenyl chloride
CAS: 594-42-3
Section 1 - Chemical Product   MSDS Name:Perchloromethyl mercaptan 97% Material Safety Data Sheet
Synonym:Trichloromethanesulfenyl chloride

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
594-42-3 Perchloromethyl mercaptan 97 209-840-4
Hazard Symbols: T+
Risk Phrases: 21 25 26 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful in contact with skin. Toxic if swallowed. Very toxic by inhalation. Causes burns.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye burns. Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin burns. May be harmful if absorbed through the skin.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns.
Inhalation:
May be fatal if inhaled. Causes chemical burns to the respiratory tract.
Chronic:
May cause liver and kidney damage.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid immediately.
Skin:
In case of contact, immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Get medical aid immediately. Wash clothing before reuse.
Ingestion:
If swallowed, do NOT induce vomiting. Get medical aid immediately.
If victim is fully conscious, give a cupful of water. Never give anything by mouth to an unconscious person.
Inhalation:
POISON material. If inhaled, get medical aid immediately. Remove victim to fresh air. If not breathing, give artificial respiration.
If breathing is difficult, give oxygen.
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.
Extinguishing Media:
Use foam, dry chemical, or carbon dioxide.

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.

Section 7 - HANDLING and STORAGE
  Handling:
Do not breathe dust, vapor, mist, or gas. Do not get in eyes, on skin, or on clothing. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 594-42-3: United States OSHA: 0.1 ppm TWA; 0.8 mg/m3 TWA Belgium - TWA: 0.1 ppm VLE; 0.77 mg/m3 VLE France - VME: 0.1 ppm VME; 0.8 mg/m3 VME Germany: 0.8 mg/m3 TWA Malaysia: 0.1 ppm TWA; 0.76 mg/m3 TWA Netherlands: 0.1 ppm MAC; 0.8 mg/m3 MAC Russia: 1 mg/m3 TWA Spain: 0.1 ppm VLA-ED; 0.77 mg/m3 VLA-ED Personal Protective Equipment Eyes: Not available.
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: Clear liquid
Color: yellow
Odor: stench
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 146 - 148 deg C @ 760 mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 1.7000g/cm3
Molecular Formula: CCl3SCl
Molecular Weight: 185.88

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Not available.
Conditions to Avoid:
Moisture, excess heat.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong bases.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, oxides of sulfur, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 594-42-3: PB0370000 LD50/LC50:
CAS# 594-42-3: Dermal, guinea pig: LD50 = 500 uL/kg; Draize test, rabbit, eye: 50 ug/24H Severe; Draize test, rabbit, skin: 500 mg/24H Severe; Inhalation, mouse: LC50 = 296 mg/m3/2H; Inhalation, rat: LC50 = 11 ppm/1H; Oral, mouse: LD50 = 400 mg/kg; Oral, rat: LD50 = 82600 ug/kg; Skin, rabbit: LD50 = 1410 mg/kg.
Carcinogenicity:
Perchloromethyl mercaptan - 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: PERCHLOROMETHYL MERCAPTAN
Hazard Class: 6.1
UN Number: 1670
Packing Group:
IMO
Shipping Name: PERCHLOROMETHYL MERCAPTAN
Hazard Class: 6.1
UN Number: 1670
Packing Group: I
RID/ADR
Shipping Name: PERCHLOROMETHYL MERCAPTAN
Hazard Class: 6.1
UN Number: 1670
Packing group: I
USA RQ: CAS# 594-42-3: 100 lb final RQ; 45.4 kg final RQ

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 21 Harmful in contact with skin.
R 25 Toxic if swallowed.
R 26 Very toxic by inhalation.
R 34 Causes burns.
Safety Phrases:
S 25 Avoid contact with eyes.
S 28A After contact with skin, wash immediately with
plenty of water.
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# 594-42-3: No information available.
Canada
CAS# 594-42-3 is listed on Canada's NDSL List.
CAS# 594-42-3 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 594-42-3 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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