chloro-dimethoxy-sulfanylidene-λ5-phosphane 2524-03-0 MSDS
Name: Dimethyl chlorothiophospate 97% Material Safety Data Sheet
Synonym: Dimethyl phosphorochloridothioate, Dimethylthiophosphoryl chloride; Dimethyl thiophosphoryl chloride; Dimethylchlorthiofosfat; Methyl PCT; O,O-Dimethyl phosphorochloridothioate; O,O-Dimethylphosphorochloridothioate; Phosphonothioic acid, chlor
CAS: 2524-03-0
Section 1 - Chemical Product   MSDS Name:Dimethyl chlorothiophospate 97% Material Safety Data Sheet
Synonym:Dimethyl phosphorochloridothioate, Dimethylthiophosphoryl chloride; Dimethyl thiophosphoryl chloride; Dimethylchlorthiofosfat; Methyl PCT; O,O-Dimethyl phosphorochloridothioate; O,O-Dimethylphosphorochloridothioate; Phosphonothioic acid, chlor

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
2524-03-0 Dimethyl chlorothiophosphate 97 219-754-9
Hazard Symbols: T C
Risk Phrases: 21/22 23 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Harmful in contact with skin and if swallowed. Toxic by inhalation.
Causes burns.Stench.Moisture sensitive.Corrosive.
Potential Health Effects
Eye:
Causes eye burns. May cause conjunctivitis and corneal inflammation.
Skin:
Harmful if absorbed through the skin. Causes skin burns. If absorbed, may cause central nervous system effects. If absorbed through the skin, may cause depressed respiration, lowered body temperature, nausea, salivation, diarrhea, dizziness, and diuresis.
May cause cyanosis of the extremities. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
Ingestion:
Harmful if swallowed. Causes gastrointestinal tract burns. May cause liver damage. May cause perforation of the digestive tract. May cause tissue anoxia, characterized by weakness, headache, dizziness, confusion, cyanosis (bluish skin due to deficient oxygenation of the blood), weak and irregular heart beat, collapse, unconsciousness, convulsions, coma and death. May cause excessive salivation, vomiting, and diarrhea. High concentrations may cause drowsiness, convulsions, unconsciousness and central nervous system damage.
Inhalation:
May be fatal if inhaled. Causes chemical burns to the respiratory tract. May cause effects similar to those described for ingestion.
Inhalation may be fatal as a result of spasm, inflammation, edema of the larynx and bronchi, chemical pneumonitis and pulmonary edema.
May cause systemic effects. May cause burning sensation, coughing, wheezing, laryngitis, shortness of breath, headache, nausea, and vomiting. Inhalation at high concentrations may cause CNS depression and asphixiation.
Chronic:
Not available.

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:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or water.
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 victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
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. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Combustible liquid. Containers may explode when heated. Water hydrolyzes material liberating acidic gas which in contact with metal surfaces can generate flammable and/or explosive hydrogen gas.
Extinguishing Media:
Do NOT use water directly on fire. Use water spray to cool fire-exposed containers. Use foam, dry chemical, or carbon dioxide.
Do NOT get water inside containers.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation. 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:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. 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 container tightly closed. Keep away from heat, sparks and flame. Do not ingest or inhale. Use and store under nitrogen. 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, sparks, and flame. Keep away from sources of ignition. Keep container closed when not in use. Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances. Corrosives area. Store protected from moisture.

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 general or local exhaust ventilation to keep airborne concentrations below the permissible exposure limits.
Exposure Limits CAS# 2524-03-0: Russia: 0.5 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:
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: Clear liquid
Color: clear light yellow
Odor: stench
pH: Not available.
Vapor Pressure: 4 mm Hg @ 40 deg C
Viscosity: Not available.
Boiling Point: 66.0 - 67.0 deg C @ 16.00mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: 65 deg C ( 149.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: 65 deg C
Solubility in water: Decomposes.
Specific Gravity/Density: 1.3220g/cm3
Molecular Formula: C2H6ClO2SP
Molecular Weight: 160.55

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures. Begins autocatalytic decomposition at temperatures above 120C.
Conditions to Avoid:
Incompatible materials, ignition sources, moisture, temperatures above 120C.
Incompatibilities with Other Materials:
Moisture, water, strong bases, strong oxidizing agents.
Hazardous Decomposition Products:
Hydrogen chloride, phosphine, carbon monoxide, oxides of sulfur, oxides of phosphorus, carbon dioxide, chloride fumes.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 2524-03-0: TD1830000 LD50/LC50:
CAS# 2524-03-0: Inhalation, mouse: LC50 = 320 mg/m3/2H; Inhalation, rat: LC50 = 340 mg/m3/4H; Oral, mouse: LD50 = 1800 mg/kg; Oral, rat: LD50 = 540 mg/kg.
Oral, rat: LD50 = 540 mg/kg. Skin, rabbit: LD50 = 316 Carcinogenicity:
Dimethyl chlorothiophosphate - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

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: DIMETHYL THIOPHOSPHORYL CHLORIDE
Hazard Class: 6.1 (8)
UN Number: 2267
Packing Group: II
IMO
Shipping Name: DIMETHYL THIOPHOSPHORYL CHLORIDE
Hazard Class: 6.1
UN Number: 2267
Packing Group: II
RID/ADR
Shipping Name: DIMETHYL THIOPHOSPHORYL CHLORIDE
Hazard Class: 6.1
UN Number: 2267
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T C
Risk Phrases:
R 21/22 Harmful in contact with skin and if
swallowed.
R 23 Toxic by inhalation.
R 34 Causes burns.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 2524-03-0: 2
Canada
CAS# 2524-03-0 is listed on Canada's DSL List.
CAS# 2524-03-0 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 2524-03-0 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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