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MSDS 
:
 Dichloromethylphosphine, tech., 90%
CAS 
:
 676-83-5
SYNONYMS 
:
 Methyldichlorophosphine; Methylphosphonous dichloride
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
| 676-83-5 |Dichloromethylphosphine | 90 | 211-631-8 |
+----------------+--------------------------------------+----------+-----------+
Hazard Symbols: T
Risk Phrases: 14 17 23/24/25 34

**** SECTION 3 - HAZARDS IDENTIFICATION ****

EMERGENCY OVERVIEW
Reacts violently with water. Spontaneously flammable in air. Toxic
by inhalation, in contact with skin and if swallowed. Causes
burns.The toxicological properties of this material have not been
fully investigated.Air sensitive.Lachrymator (substance which
increases the flow of tears).Corrosive.

Potential Health Effects
Eye:
Lachrymator (substance which increases the flow of tears). Causes
eye irritation and burns.
Skin:
Harmful if absorbed through the skin. Causes skin irritation and
burns.
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 of decomposition products may cause severe injury or
death.
Chronic:
Symptoms of exposure may include burning sensation, coughing,
wheezing, laryngitis, shortness of breath, headache, nausea and
vomiting. Chronic inhalation may cause spasm, inflammation and edema
of the larynx and bronchi, chemical pneumonitis, and pulmonary edema.

**** 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:
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. Wash mouth out with
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 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:
Evacuate area and fight fire from a safe distance. As in any fire,
wear a self-contained breathing apparatus in pressure-demand,
MSHA/NIOSH (approved or equivalent), and full protective gear. Water
runoff can cause environmental damage. Dike and collect water used
to fight fire. Vapors can travel to a source of ignition and flash
back. Material can spontaneously ignite (pyrophoric) when exposed to
air at normal or slightly elevated temperatures. May burn with
invisible flame. During a fire, irritating and highly toxic gases
may be generated by thermal decomposition or combustion. Water
Reactive. Material will react with water and may release a flammable
and/or toxic gas. Spontaneously ignitable in air. Vapors may be
heavier than air. They can spread along the ground and collect in
low or confined areas. May ignite or explode on contact with steam or
moist air. May re-ignite after fire is extinguished. May burn rapidly
with flare-burning effect.
Extinguishing Media:
Do NOT get water inside containers. Contact professional
fire-fighters immediately. Cool containers with flooding quantities
of water until well after fire is out. Use dry sand, dry chemical,
soda ash or lime. DO NOT USE WATER, CO2, OR FOAM DIRECTLY ON FIRE
ITSELF. For large fires, use dry sand, dry chemical, soda ash or
lime or withdraw from area and let fire burn.

**** 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. Remove all sources of ignition. Use a spark-proof
tool. Isolate area and deny entry. Provide ventilation. Place under
an inert atmosphere. Do not use combustible materials such as paper
towels to clean up spill. Do not get water on spilled substances or
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. Do not allow water to get into the container
because of violent reaction. Use spark-proof tools and explosion
proof equipment. Do not breathe dust, vapor, mist, or gas. Do not
get in eyes, on skin, or on clothing. Keep container tightly closed.
Do not ingest or inhale. Handle under an inert atmosphere. Use only
in a chemical fume hood. Store and handle protected from air. Discard
contaminated shoes. 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. Keep away from water. Flammables-area. Do not
expose to air. Store under an inert atmosphere.

**** SECTION 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION ****

Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or
utilizing this material should be equipped with an eyewash facility
and a safety shower. Use only under a chemical fume hood.
Exposure Limits
CAS# 676-83-5:


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: Liquid
Color: colorless to pale yellow
Odor: pungent odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 81 - 82 deg C @ 760.00mm Hg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not applicable.
Flash Point: 48 deg C ( 118.40 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Reacts.
Specific Gravity/Density: 1.3040g/cm3
Molecular Formula: CH3Cl2P
Molecular Weight: 116.92

**** SECTION 10 - STABILITY AND REACTIVITY ****

Chemical Stability:
Powder or liquid is pyrophoric. Combines vigorously or explosively
with water. Air sensitive.
Conditions to Avoid:
Incompatible materials, ignition sources, exposure to air, excess
heat, strong oxidants, exposure to moist air or water.
Incompatibilities with Other Materials:
Water, strong oxidizing agents, strong bases, air.
Hazardous Decomposition Products:
Hydrogen chloride, phosphine, carbon monoxide, oxides of phosphorus,
carbon dioxide.
Hazardous Polymerization: Has not been reported

**** SECTION 11 - TOXICOLOGICAL INFORMATION ****

RTECS#:
CAS# 676-83-5 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
Dichloromethylphosphine -
Not listed by ACGIH, IARC, or NTP.

**** 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: PYROPHORIC LIQUID, ORGANIC, N.O.S.*
Hazard Class: 4.2
UN Number: 2845
Packing Group:
IMO
Shipping Name: PYROPHORIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 4.2
UN Number: 2845
Packing Group: I
RID/ADR
Shipping Name: PYROPHORIC LIQUID, ORGANIC, N.O.S.
Hazard Class: 4.2
UN Number: 2845
Packing group: I

**** SECTION 15 - REGULATORY INFORMATION ****

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T
Risk Phrases:
R 14 Reacts violently with water.
R 17 Spontaneously flammable in air.
R 23/24/25 Toxic by inhalation, in contact with skin
and if swallowed.
R 34 Causes burns.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 23 Do not inhale gas/fumes/vapour/spray.
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.
WGK (Water Danger/Protection)
CAS# 676-83-5: No information available.
Canada
CAS# 676-83-5 is listed on Canada's NDSL List.
CAS# 676-83-5 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 676-83-5 is listed on the TSCA inventory.

**** SECTION 16 - ADDITIONAL INFORMATION ****

MSDS Creation Date: 3/08/1999 Revision #2 Date: 3/18/2003

The information above is believed to be accurate and represents the best
information currently available to us. However, we make no warranty of
merchantability or any other warranty, express or implied, with respect to
such information, and we assume no liability resulting from its use. Users
should make their own investigations to determine the suitability of the
information for their particular purposes. In no way shall the company be
liable for any claims, losses, or damages of any third party or for lost
profits or any special, indirect, incidental, consequential or exemplary
damages, howsoever arising, even if the company has been advised of
the possibility of such damages.
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