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Diethyl chlorothiophosphate 2524-04-1 MSDS
Name: Diethyl chlorothiophosphate 97% Material Safety Data Sheet
Synonym: Diethyl phosphorochloridothionat
CAS: 2524-04-1
Section 1 - Chemical Product   MSDS Name:Diethyl chlorothiophosphate 97% Material Safety Data Sheet
Synonym:Diethyl phosphorochloridothionat

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
2524-04-1 Diethylthiophosphoryl chloride 97% 219-755-4
Hazard Symbols: T+
Risk Phrases: 21/22 26 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful in contact with skin and if swallowed. Very toxic by inhalation. Causes burns.Corrosive.Highly toxic.Stench.Moisture sensitive.
Potential Health Effects
Eye:
Causes eye burns.
Skin:
Harmful if absorbed through the skin. Causes skin burns.
Ingestion:
Harmful if swallowed.
Inhalation:
May be fatal if inhaled. Causes chemical burns to the respiratory tract.
Chronic:
Not available.

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 immediately.
Skin:
Get medical aid immediately. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Get medical aid immediately. Wash mouth out with water.
Inhalation:
Get medical aid immediately. Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen.
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.
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:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Corrosives area.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 2524-04-1: Russia: 1 mg/m3 TWA 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:
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: Liquid
Color: colorless to light yellow
Odor: Stench
pH: Not available.
Vapor Pressure: 1.4 mm Hg @ 50 deg
Viscosity: Not available.
Boiling Point: 45 deg C @ 3.00mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: 97 deg C ( 206.60 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: immiscible in water
Specific Gravity/Density: 1.2000g/cm3
Molecular Formula: C4H10ClO2SP
Molecular Weight: 188.61

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, carbon monoxide, oxides of sulfur, oxides of phosphorus, carbon dioxide.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 2524-04-1: TD1780000 LD50/LC50:
CAS# 2524-04-1: Inhalation, mouse: LC50 = 725 mg/m3/2H; Inhalation, rat: LC50 = 20 ppm/4H; Oral, mouse: LD50 = 800 mg/kg; Oral, rabbit: LD50 = 900 mg/kg; Oral, rat: LD50 = 1340 mg/kg.
Carcinogenicity:
Diethylthiophosphoryl chloride - 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: DIETHYLTHIOPHOSPHORYL CHLORIDE
Hazard Class: 8
UN Number: 2751
Packing Group: II
IMO
Shipping Name: DIETHYLTHIOPHOSPHORYL CHLORIDE
Hazard Class: 8
UN Number: 2751
Packing Group: II
RID/ADR
Shipping Name: DIETHYLTHIOPHOSPHORYL CHLORIDE
Hazard Class: 8
UN Number: 2751
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 21/22 Harmful in contact with skin and if
swallowed.
R 26 Very toxic by inhalation.
R 34 Causes burns.
Safety Phrases:
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# 2524-04-1: 2
Canada
CAS# 2524-04-1 is listed on Canada's DSL List.
CAS# 2524-04-1 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2524-04-1 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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