Diethyl chlorophosphate
CAS No.: 814-49-3
Synonyms:
Formula: C4H10ClO3P
Exact Mass: 172.00600
Molecular Weight: 172.54700
PSA: 45.34000
LogP: 2.40630
Diethyl chlorophosphate 814-49-3 MSDS
Name: Diethyl chlorophosphate 95% Material Safety Data Sheet
Synonym: O,O-Diethyl phosphorochloridate; Diethyl phosphorochloridate
CAS: 814-49-3
Section 1 - Chemical Product   MSDS Name:Diethyl chlorophosphate 95% Material Safety Data Sheet
Synonym:O,O-Diethyl phosphorochloridate; Diethyl phosphorochloridate

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
814-49-3 Diethyl chlorophosphate 95 212-396-4
Hazard Symbols: T+
Risk Phrases: 26/27/28 33

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Very toxic by inhalation, in contact with skin and if swallowed.
Danger of cumulative effects.
Potential Health Effects
Eye:
May cause eye irritation. Contact of the eye with the undiluted compound may result in death.
Skin:
May cause skin irritation. May be fatal if absorbed through the skin.
Ingestion:
May be fatal if swallowed. May cause gastrointestinal irritation with nausea, vomiting and diarrhea.
Inhalation:
May cause respiratory tract irritation. Aspiration may cause respiratory swelling and pneumonitis.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: 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. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Wash clothing before reuse.
Ingestion:
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. Induce vomiting only when instructed to do so by a physician.
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. Do NOT use mouth-to-mouth resuscitation.
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. Use water spray to keep fire-exposed containers cool. Vapors may be heavier than air. They can spread along the ground and collect in low or confined areas.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or appropriate foam.

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. Clean up spills immediately, observing precautions in the Protective Equipment section. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Do not get in eyes, on skin, or on clothing. Keep container tightly closed. Discard contaminated shoes. Use only with adequate ventilation. Keep away from heat and flame. Do not breathe vapor or mist.
Storage:
Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Store protected from moisture.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use process enclosure, local exhaust ventilation, or other engineering controls to control airborne levels.
Exposure Limits CAS# 814-49-3: Personal Protective Equipment Eyes: Wear chemical splash goggles.
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: Liquid
Color: clear colorless
Odor: Not available.
pH: Not available.
Vapor Pressure: 0.1 mm Hg @ 25 deg C
Viscosity: Not available.
Boiling Point: 81 deg C @ 6 mm Hg
Freezing/Melting Point: -60 deg C
Autoignition Temperature: Not available.
Flash Point: 61 deg C ( 141.80 deg F)
Explosion Limits, lower: N/A
Explosion Limits, upper: N/A
Decomposition Temperature: 120 deg C
Solubility in water: Decomposes.
Specific Gravity/Density: 1.1940 g/cm3
Molecular Formula: C4H10ClO3P
Molecular Weight: 172.55

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
Incompatible materials, excess heat, strong oxidants.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Irritating and toxic fumes and gases, chloride fumes, phosphorous fumes.
Hazardous Polymerization: Has not been reported

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 814-49-3: TD1400000 LD50/LC50:
CAS# 814-49-3: Draize test, rabbit, skin: 500 mg/24H Mild; Oral, mouse: LD50 = 100 mg/kg; Oral, rat: LD50 = 11 mg/kg; Skin, rabbit: LD50 = 8 uL/kg.
Carcinogenicity:
Diethyl chlorophosphate - 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: ORGANOPHOSPHORUS COMPOUND, LIQUID, TOXIC, N.O.S.*
Hazard Class: 6.1
UN Number: 3278
Packing Group: II
IMO
Shipping Name: ORGANOPHOSPHORUS COMPOUND, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 3278
Packing Group: II
RID/ADR
Shipping Name: ORGANOPHOSPHORUS COMPOUND, TOXIC, N.O.S.
Hazard Class: 6.1
UN Number: 3278
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T+
Risk Phrases:
R 26/27/28 Very toxic by inhalation, in contact with
skin and if swallowed.
R 33 Danger of cumulative effects.
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 38 In case of insufficient ventilation, wear
suitable respiratory equipment.
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# 814-49-3: No information available.
Canada
CAS# 814-49-3 is listed on Canada's NDSL List.
CAS# 814-49-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 814-49-3 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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