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MSDS 
:
 1-Propanephosphonic acid cyclic anhydride, solution in ethyl acetate
CAS 
:
 141-78-6
SYNONYMS 
:
 2,4,6-Tripropyl-1,3,5,2,4,6-trioxatriphosphorinane 2,4,6-trioxide.
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 141-78-6 |Ethyl acetate | 50 wt.% | 205-500-4 |
|----------------|--------------------------------------|----------|-----------|
| 68957-94-8 |1-Propanephosphonic acid cyclic anhydr| 50 wt.% | unlisted |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
Hazard Symbols: F C
Risk Phrases: 11 34 67

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

EMERGENCY OVERVIEW
Highly flammable. Causes burns. Vapours may cause drowsiness and
dizziness.

Potential Health Effects
Eye:
Causes eye burns.
Skin:
Causes skin burns. Repeated or prolonged exposure may cause drying
and cracking of the skin.
Ingestion:
Causes gastrointestinal tract burns. Ingestion of large amounts may
cause central nervous depression. May cause headache, nausea,
fatigue, and dizziness.
Inhalation:
Causes chemical burns to the respiratory tract. May be harmful if
inhaled. Inhalation of high concentrations may cause narcotic
effects. Inhalation of vapors may cause drowsiness and dizziness.
Chronic:
Chronic inhalation may cause effects similar to those of acute
inhalation. Chronic exposure may cause effects similar to those of
acute exposure.

**** 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:
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:
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. Vapors may form an explosive mixture with air.
During a fire, irritating and highly toxic gases may be generated by
thermal decomposition or combustion. Will burn if involved in a fire.
Use water spray to keep fire-exposed containers cool. Flammable
liquid and vapor. Vapors are heavier than air and may travel to a
source of ignition and flash back. Vapors can spread along the ground
and collect in low or confined areas.
Extinguishing Media:
Water may be ineffective. Use water spray, alcohol foam, CO2, dry
chemical.

**** 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. 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. Provide ventilation.

**** SECTION 7 - HANDLING and STORAGE ****

Handling:
Wash thoroughly after handling. Ground and bond containers when
transferring material. 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. Empty containers retain product
residue, (liquid and/or vapor), and can be dangerous. Take
precautionary measures against static discharges. Do not ingest or
inhale. Use only in a chemical fume hood. Discard contaminated shoes.
Do not pressurize, cut, weld, braze, solder, drill, grind, or expose
empty containers to heat, sparks or open flames. Keep away from
heat, sparks and flame.
Storage:
Keep away from sources of ignition. Store in a cool, dry place.
Store in a tightly closed container. Flammables-area.

**** 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# 141-78-6:
United Kingdom, WEL - TWA: 200 ppm TWA
United Kingdom, WEL - STEL: 400 ppm STEL
United States OSHA: 400 ppm TWA; 1400 mg/m3 TWA
Belgium - TWA: 400 ppm VLE; 1461 mg/m3 VLE
France - VME: 400 ppm VME; 1400 mg/m3 VME
Germany: 400 ppm TWA; 1500 mg/m3 TWA
Japan: 200 ppm OEL; 720 mg/m3 OEL
Malaysia: 400 ppm TWA; 1440 mg/m3 TWA
Netherlands: 300 ppm STEL; 1100 mg/m3 STEL
Netherlands: 150 ppm MAC; 550 mg/m3 MAC
Russia: 200 mg/m3 TWA
Spain: 400 ppm VLA-ED; 1460 mg/m3 VLA-ED
CAS# 68957-94-8:


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:
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: slightly yellow
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 77.2 deg C
Freezing/Melting Point: Not available.
Autoignition Temperature: 460 deg C ( 860.00 deg F)
Flash Point: -5 deg C ( 23.00 deg F)
Explosion Limits, lower: 2.1 Vol %
Explosion Limits, upper: 11.5 Vol %
Decomposition Temperature:
Solubility in water:
Specific Gravity/Density: 1.069
Molecular Formula: C9H21O6P3
Molecular Weight: 318.18

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

Chemical Stability:
Stable at room temperature in closed containers under normal storage
and handling conditions. Moisture sensitive.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, exposure to
moist air or water, attacks some plastics, rubber, and coatings,
confined spaces.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases.
Hazardous Decomposition Products:
Carbon monoxide, oxides of phosphorus, carbon dioxide, ethyl alcohol,
acetic acid.
Hazardous Polymerization: Has not been reported

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

RTECS#:
CAS# 141-78-6: AH5425000
CAS# 68957-94-8 unlisted.
LD50/LC50:
CAS# 141-78-6: Inhalation, mouse: LC50 = 45 gm/m3/2H; Inhalation,
rat: LC50 = 200 gm/m3; Oral, mouse: LD50 = 4100 mg/kg; Oral, rabbit:
LD50 = 4935 mg/kg; Oral, rat: LD50 = 5620 mg/kg; Skin, rabbit: LD50 =
>20 mL/kg.
CAS# 68957-94-8.
Carcinogenicity:
Ethyl acetate -
Not listed by ACGIH, IARC, or NTP.
1-Propanephosphonic acid cyclic anhydride -
Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

**** SECTION 12 - ECOLOGICAL INFORMATION ****

Ecotoxicity:
Fish: Fathead Minnow: 230mg/L; 96HFish: Pseudomonas putida:

**** SECTION 13 - DISPOSAL CONSIDERATIONS ****

Dispose of in a manner consistent with federal, state, and local regulations.

**** SECTION 14 - TRANSPORT INFORMATION ****

IATA
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: II
IMO
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing Group: II
RID/ADR
Shipping Name: FLAMMABLE LIQUID, CORROSIVE, N.O.S.
Hazard Class: 3 (8)
UN Number: 2924
Packing group: II
USA RQ: CAS# 141-78-6: 5000 lb final RQ; 2270 kg final RQ

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

European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: F C
Risk Phrases:
R 11 Highly flammable.
R 34 Causes burns.
R 67 Vapours may cause drowsiness and dizziness.
Safety Phrases:
S 16 Keep away from sources of ignition - No
smoking.
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 33 Take precautionary measures against static
discharges.
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# 141-78-6: 1
CAS# 68957-94-8: No information available.
Canada
CAS# 141-78-6 is listed on Canada's DSL List.
CAS# 68957-94-8 is listed on Canada's DSL List.
CAS# 141-78-6 is listed on Canada's Ingredient Disclosure List.
CAS# 68957-94-8 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 141-78-6 is listed on the TSCA inventory.
CAS# 68957-94-8 is not listed on the TSCA inventory.
It is for research and development use only.

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

Text for R-phrases from Section 2
R 11 Highly flammable.
R 36 Irritating to eyes.
R 66 Repeated exposure may cause skin dryness or cracking.
R 67 Vapours may cause drowsiness and dizziness.
MSDS Creation Date: 9/20/2004 Revision #2 Date: 1/31/2005

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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