PHOSPHORUS PENTOXIDE
MSDS Number: P4116 --- Effective Date: 11/17/99
1. Product Identification
Synonyms: Phosphorus Oxide; Phosphoric Anhydride; Phosphorus
pentaoxide
CAS No.: 1314-56-3
Molecular Weight: 141.94
Chemical Formula: P2O5
Product Codes:
J.T. Baker:
2155, 9374, 9378
Mallinckrodt:
6612
2. Composition/Information on Ingredients
Ingredient CAS No Percent Hazardous
--------------------------------------- ------------ ------- ---------
Phosphorus Pentoxide 1314-56-3 99 - 100% Yes
3. Hazards Identification
Emergency Overview
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DANGER! CORROSIVE. CAUSES BURNS TO ANY AREA OF CONTACT. HARMFUL IF
SWALLOWED OR INHALED. FUMES CAUSE IRRITATION TO EYES AND RESPIRATORY TRACT.
WATER REACTIVE. REACTS VIOLENTLY WITH WATER TO GENERATE HEAT AND PHOSPHORIC
ACID.
J.T. Baker SAF-T-DATA(tm) Ratings (Provided here for your convenience)
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Health Rating: 2 - Moderate
Flammability Rating: 0 - None
Reactivity Rating: 3 - Severe (Water Reactive)
Contact Rating: 3 - Severe (Corrosive)
Lab Protective Equip: GOGGLES; LAB COAT; VENT HOOD; PROPER GLOVES
Storage Color Code: White (Corrosive)
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Potential Health Effects
----------------------------------
Phosphorus pentoxide reacts with moisture on body tissue surfaces to form
phosphoric acid, which approximates sulfuric acid and hydrochloric acids in
corrosive intensity.
Inhalation:
Inhalation produces damaging effects on the mucous membranes and upper
respiratory tract. Symptoms may include irritation of the nose and throat,
and labored breathing. May cause lung edema, a medical emergency.
Ingestion:
Corrosive. Releases heat on contact with moisture and will burn mucous
surfaces. Sore throat, abdominal pain, nausea, vomiting, and diarrhea may
result. Brown or yellow stains will ne found around the mouth. Suffocation
may occur from swelling of the tongue. Aspiratiuon into the lungs can cause
chemical pneumonitis. Ingestion of this material has caused human
fatalities.
Skin Contact:
Corrosive. Contact can cause severe irritation, burns, redness, and pain.
Burns usually penetrate the skin with sharply defined edges, and heal
slowly with the formation of scar tissue.
Eye Contact:
Corrosive. Fumes and airborne powder cause eye irritation. Contact with
substance can cause severe eye burns and permanent damage.
Chronic Exposure:
Chronic ingestion or inhalation may induce systemic phosphorous poisoning.
Liver damage, kidney damage, jaw/tooth abnormalities, blood disorders and
cardiovascular effects can result.
Aggravation of Pre-existing Conditions:
Persons with pre-existing skin disorders or eye problems, jaw/tooth
abnormalities, or impaired liver, kidney or respiratory function may be
more susceptible to the effects of the substance.
4. First Aid Measures
Inhalation:
Remove to fresh air. If not breathing, give artificial respiration. If
breathing is difficult, give oxygen. Get medical attention immediately.
Ingestion:
Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO
NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration
into lungs. Never give anything by mouth to an unconscious person. Call a
physician immediately.
Skin Contact:
Wipe off excess material from skin then immediately flush skin with plenty
of water for at least 15 minutes while removing contaminated clothing and
shoes. Get medical attention immediately. Wash clothing before reuse.
Thoroughly clean shoes before reuse.
Eye Contact:
Immediately flush eyes with plenty of water for at least 15 minutes,
lifting lower and upper eyelids occasionally. Get medical attention
immediately.
5. Fire Fighting Measures
Fire:
Non-combustible but can cause high local temperatures in contact with water; heat generated may be enough to ignite other materials. Reacts violently with water to form phosphoric acid. Phosphoric acid in contact with common metals may generate flammable and explosive hydrogen gas.
Explosion:
Not considered to be an explosion hazard.
Fire Extinguishing Media:
Dry chemical or carbon dioxide. If water is used, the amount should be
enough to overcome heat and acid build-up.
Special Information:
In the event of a fire, wear full protective clothing and NIOSH-approved
self-contained breathing apparatus with full facepiece operated in the
pressure demand or other positive pressure mode.
6. Accidental Release Measures
Ventilate area of leak or spill. Keep unnecessary and unprotected people
away from area of spill. Wear appropriate personal protective equipment as
specified in Section 8. Treat spilled material with an excess of soda ash
or slaked lime, mix and add water cautiously to yield acid(s) and react
with the alkali until fully neutralized. Collect the residual for disposal.
Flush spill area with plenty of water.
7. Handling and Storage
Keep in a tightly closed container, stored in a cool, dry, ventilated area.
Protect against physical damage. Isolate from incompatible substances. Keep
away from water. Store away from flammable materials and animal feed. If
water or moisture is present, type 316LSS rubber-lined steel or FRP are the
preferred materials of construction. Mild steel is the preferred material
of construction of process equipment, storage or shipping containers when
the product is kept dry. Containers of this material may be hazardous when
empty since they retain product residues (dust, solids); observe all
warnings and precautions listed for the product.
8. Exposure Controls/Personal Protection
Airborne Exposure Limits:
-OSHA Permissible Exposure Limit (PEL):
1 mg/m3 (TWA) for phosphoric acid
-ACGIH Threshold Limit Value (TLV):
1 mg/m3 (TWA), 3 mg/m3 (STEL) for phosphoric acid
Ventilation System:
A system of local and/or general exhaust is recommended to keep employee
exposures below the Airborne Exposure Limits. Local exhaust ventilation is
generally preferred because it can control the emissions of the contaminant
at its source, preventing dispersion of it into the general work area.
Please refer to the ACGIH document, Industrial Ventilation, A Manual of
Recommended Practices, most recent edition, for details.
Personal Respirators (NIOSH Approved):
If the exposure limit is exceeded, a full facepiece respirator with high
efficiency dust/mist filter may be worn up to 50 times the exposure limit
or the maximum use concentration specified by the appropriate regulatory
agency or respirator supplier, whichever is lowest. For emergencies or
instances where the exposure levels are not known, use a full-facepiece
positive-pressure, air-supplied respirator. WARNING: Air purifying
respirators do not protect workers in oxygen-deficient atmospheres.
Skin Protection:
Wear impervious protective clothing, including boots, gloves, lab coat,
apron or coveralls, as appropriate, to prevent skin contact.
Eye Protection:
Use chemical safety goggles and/or full face shield where dusting or
splashing of solutions is possible. Maintain eye wash fountain and
quick-drench facilities in work area.
9. Physical and Chemical Properties
Appearance:
White, very deliquescent crystals or powder.
Odor:
Pungent, sharp, irritating odor.
Solubility:
Exothermic reaction with water.
Specific Gravity:
2.39
pH:
< 2 (0.1 N aqueous sol. of phosphoric acid)
% Volatiles by volume @ 21C (70F):
0
Boiling Point:
Not applicable.
Melting Point:
300 - 360C (572 - 680F)
Vapor Density (Air=1):
No information found.
Vapor Pressure (mm Hg):
1 @ 384C (723F)
Evaporation Rate (BuAc=1):
Not applicable.
10. Stability and Reactivity
Stability:
Stable under ordinary conditions of use and storage. Reacts violently with
water to form phosphoric acid.
Hazardous Decomposition Products:
Phosphorus oxides may form when heated to decomposition.
Hazardous Polymerization:
Will not occur.
Incompatibilities:
Ammonia, calcium oxide, chlorine trifluoride, hydrogen fluoride, oxygen
difluoride, perchloric acid, perchloric acid and chloroform, potassium,
propargyl alcohol, sodium, sodium carbonate, sodium hydroxide, water, and a
mixture of water and organic material.
Conditions to Avoid:
Moisture and incompatibles.
11. Toxicological Information
Inhalation rat LC50: 1217 mg/m3/1-hr.
--------\Cancer Lists\------------------------------------------------------
---NTP Carcinogen---
Ingredient Known Anticipated IARC Category
------------------------------------ ----- ----------- -------------
Phosphorus Pentoxide (1314-56-3) No No None
12. Ecological Information
Environmental Fate:
No information found.
Environmental Toxicity:
No information found.
13. Disposal Considerations
Whatever cannot be saved for recovery or recycling should be handled as
hazardous waste and sent to a RCRA approved waste facility. Processing, use
or contamination of this product may change the waste management options.
State and local disposal regulations may differ from federal disposal
regulations.
Dispose of container and unused contents in accordance with federal, state
and local requirements.
14. Transport Information
Domestic (Land, D.O.T.)
-----------------------
Proper Shipping Name: PHOSPHORUS PENTOXIDE
Hazard Class: 8
UN/NA: UN1807
Packing Group: II
Information reported for product/size: 500G
International (Water, I.M.O.)
-----------------------------
Proper Shipping Name: PHOSPHORUS PENTOXIDE
Hazard Class: 8
UN/NA: UN1807
Packing Group: II
Information reported for product/size: 500G
15. Regulatory Information
--------\Chemical Inventory Status - Part 1\---------------------------------
Ingredient TSCA EC Japan Australia
----------------------------------------------- ---- --- ----- ---------
Phosphorus Pentoxide (1314-56-3) Yes Yes Yes Yes
--------\Chemical Inventory Status - Part 2\---------------------------------
--Canada--
Ingredient Korea DSL NDSL Phil.
----------------------------------------------- ----- --- ---- -----
Phosphorus Pentoxide (1314-56-3) Yes Yes No Yes
--------\Federal, State & International Regulations - Part 1\----------------
-SARA 302- ------SARA 313------
Ingredient RQ TPQ List Chemical Catg.
----------------------------------------- --- ----- ---- --------------
Phosphorus Pentoxide (1314-56-3) No 10 No No
--------\Federal, State & International Regulations - Part 2\----------------
-RCRA- -TSCA-
Ingredient CERCLA 261.33 8(d)
----------------------------------------- ------ ------ ------
Phosphorus Pentoxide (1314-56-3) 1 No No
Chemical Weapons Convention: No TSCA 12(b): No CDTA: No
SARA 311/312: Acute: Yes Chronic: Yes Fire: No Pressure: No
Reactivity: Yes (Pure / Solid)
Australian Hazchem Code: 4W
Poison Schedule: No information found.
WHMIS:
This MSDS has been prepared according to the hazard criteria of
the Controlled Products Regulations (CPR) and the MSDS contains
all of the information required by the CPR.
16. Other Information
NFPA Ratings:
Health: 3 Flammability: 1 Reactivity: 3
Other: Water reactive
Label Hazard Warning:
DANGER! CORROSIVE. CAUSES BURNS TO ANY AREA OF CONTACT. HARMFUL IF SWALLOWED
OR INHALED. FUMES CAUSE IRRITATION TO EYES AND RESPIRATORY TRACT. WATER
REACTIVE. REACTS VIOLENTLY WITH WATER TO GENERATE HEAT AND PHOSPHORIC ACID.
Label Precautions:
Do not breathe dust.
Do not get in eyes, on skin, or on clothing.
Keep container closed.
Do not contact with water.
Use only with adequate ventilation.
Wash thoroughly after handling.
Reaction with water can generate enough heat to ignite materials that burn.
Label First Aid:
Aspiration hazard. If swallowed, vomiting may occur spontaneously, but DO
NOT INDUCE. If vomiting occurs, keep head below hips to prevent aspiration
into lungs. Never give anything by mouth to an unconscious person. Call a
physician immediately. In case of contact, wipe off excess material from skin
then immediately flush eyes or skin with plenty of water for at least 15
minutes while removing contaminated clothing and shoes. Wash clothing before
reuse. Get medical attention immediately. If inhaled, remove to fresh air. If
not breathing, give artificial respiration. If breathing is difficult, give
oxygen. Get medical attention immediately.
Product Use:
Laboratory Reagent.
Revision Information:
New 16 section MSDS format, all sections have been revised.
Disclaimer:
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Mallinckrodt Baker, Inc. provides the information contained herein in
good faith but makes no representation as to its comprehensiveness or accuracy.
This document is intended only as a guide to the appropriate precautionary
handling of the material by a properly trained person using this product.
Individuals receiving the information must exercise their independent judgment
in determining its appropriateness for a particular purpose. MALLINCKRODT
BAKER, INC. MAKES NO REPRESENTATIONS OR WARRANTIES, EITHER EXPRESS OR IMPLIED,
INCLUDING WITHOUT LIMITATION ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE WITH RESPECT TO THE INFORMATION SET FORTH HEREIN OR THE
PRODUCT TO WHICH THE INFORMATION REFERS. ACCORDINGLY, MALLINCKRODT BAKER, INC.
WILL NOT BE RESPONSIBLE FOR DAMAGES RESULTING FROM USE OF OR RELIANCE UPON THIS
INFORMATION.
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Prepared by: Strategic Services Division
Phone Number: (314) 539-1600 (U.S.A.)