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Name:
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Arsenic(V) oxide 99.9+% Material Safety Data Sheet
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Synonym:
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Arsenic pentoxid
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CAS:
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1303-28-2
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Section 1 - Chemical Product
MSDS Name:Arsenic(V) oxide 99.9+% Material Safety Data Sheet
Synonym:Arsenic pentoxid
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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1303-28-2
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Arsenic(V) oxide
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99.9+%
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215-116-9
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Hazard Symbols: T N
Risk Phrases: 23/25 45 50/53
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Toxic by inhalation and if swallowed. May cause cancer. Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.Moisture sensitive.
Potential Health Effects
Eye:
May cause conjunctivitis. May cause eye irritation and possible burns.
Skin:
May cause irritation with burning pain, itching and redness. May cause dermatitis.
Ingestion:
May be fatal if swallowed. May cause liver damage. May cause cardiac disturbances. May cause severe digestive tract irritation with abdominal pain, nausea, vomiting and diarrhea. May cause central nervous system effects.
Inhalation:
May cause ulceration and perforation of the nasal septum if inhaled in excessive quantities. May cause chemical bronchitis with coughing and difficulty in breathing. Toxic if inhaled.
Chronic:
Prolonged or repeated inhalation may cause kidney and lung damage.
Chronic ingestion may cause liver damage. Prolonged or repeated skin contact may cause dermatitis. May cause bone marrow abnormalities with damage to blood forming tissues. Chronic inhalation may cause nasal septum ulceration and perforation. Repeated exposure may cause kidney damage and digestive tract abnormalities. Repeated exposure may cause central nervous system damage.
Section 4 - FIRST AID MEASURES
Eyes: Immediately 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. Immediately flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
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.
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.
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. Substance is noncombustible.
Extinguishing Media:
Use extinguishing media most appropriate for the surrounding fire.
Section 6 - ACCIDENTAL RELEASE MEASURES
General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Vacuum or sweep up material and place into a suitable disposal container. Avoid generating dusty conditions.
Section 7 - HANDLING and STORAGE
Handling:
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. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Poison room locked.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 1303-28-2: United Kingdom, MEL - TWA: (listed as arsenic compounds, n.o.s.): mg/m3 TWA (as As, except arsine) United States OSHA: 5 g/m3 Action Level (as As); 10 g/m3 PEL (a As. Cancer hazard - see 29 CFR 1 910.1018. Arsine excepted) (listed under Arsenic, inorganic compounds).
Belgium - TWA: (listed as arsenic, inorganic compounds): 0.01 mg/ VLE (as As) Germany: 0.1 mg/m3 TWA (inhalable fraction) Japan: (listed as arsenic compounds, n.o.s.): 3 g/m3 OEL (refere value, as As) Malaysia: (listed as arsenic, inorganic compounds): 0.01 mg/m3 TW (as As, except arsine) Netherlands: (listed as arsenic, inorganic compounds): 0.1 mg/m3 (as As) Netherlands: (listed as arsenic, inorganic compounds): 0.050 mg/m MAC (as As) Russia: (listed as arsenic, inorganic compounds): 0.04 mg/m3 TWA As) Russia: (listed as arsenic, inorganic compounds): 0.01 mg/m3 STEL As) Spain: (listed as arsenic, inorganic compounds): 0.1 mg/m3 VLA-ED As) Personal Protective Equipment Eyes: Not available.
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. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Physical State: Solid
Color: Not available.
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 315 deg C(decom)
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: 150 g/100ml water (19C)
Specific Gravity/Density:
Molecular Formula: As2O5
Molecular Weight: 229.84
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, incompatible materials, exposure to moist air or water.
Incompatibilities with Other Materials:
Strong oxidizing agents, strong acids, strong bases, active metals, halogens.
Hazardous Decomposition Products:
Oxides of arsenic, arsine.
Hazardous Polymerization: Will not occur.
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 1303-28-2: CG2275000 LD50/LC50:
CAS# 1303-28-2: Oral, mouse: LD50 = 55 mg/kg; Oral, rat: LD50 = 8 mg/kg.
Carcinogenicity:
Arsenic(V) oxide - California: carcinogen, initial date 2/27/87 (listed as Arsenic, inorg NTP: Known carcinogen (listed as Arsenic, inorganic compounds).
IARC: Group 1 carcinogen (listed as Arsenic compounds, n.o.s.).
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: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing Group: II
IMO
Shipping Name: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing Group: II
RID/ADR
Shipping Name: ARSENIC COMPOUND, SOLID, N.O.S.
Hazard Class: 6.1
UN Number: 1557
Packing group: II
USA RQ: CAS# 1303-28-2: 1 lb final RQ; 0.454 kg final RQ
Section 15 - REGULATORY INFORMATION
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: T N
Risk Phrases:
R 45 May cause cancer.
R 23/25 Toxic by inhalation and if swallowed.
R 50/53 Very toxic to aquatic organisms, may cause
long-term adverse effects in the aquatic environment.
Safety Phrases:
S 53 Avoid exposure - obtain special instructions
before use.
S 45 In case of accident or if you feel unwell, seek
medical advice immediately (show the label where
possible).
S 60 This material and its container must be
disposed of as hazardous waste.
S 61 Avoid release to the environment. Refer to
special instructions/safety data sheets.
WGK (Water Danger/Protection)
CAS# 1303-28-2: 3
Canada
CAS# 1303-28-2 is listed on Canada's DSL List.
CAS# 1303-28-2 is listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 1303-28-2 is listed on the TSCA inventory.
SECTION 16 - ADDITIONAL INFORMATION N/A