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Phosphotungstic acid, 44-hydrate
CAS No.: 12067-99-1
Synonyms:
Formula: H3O40PW12
Exact Mass: 2881.20000
Molecular Weight: 2880.05000
PSA: 702.09000
LogP: -5.20540
Reference Price: $620/kg Inquiry Now
Phosphotungstic acid, 44-hydrate 12067-99-1 MSDS
Name: Phosphotungstic Acid Hydrate p.a. Material Safety Data Sheet
Synonym: Phosphowolframic Acid; Tungstophosphoric Acid; Tungstate(3-), tetracosa-.mu.-oxododecaoxo[.mu.12-(phosphato(3-)-O:O:O:O':O':O' :O'':O'':O'':O''':O''':O''')]dodeca-, trihydrogen, hydrat
CAS: 12067-99-1
Section 1 - Chemical Product   MSDS Name:Phosphotungstic Acid Hydrate p.a. Material Safety Data Sheet
Synonym:Phosphowolframic Acid; Tungstophosphoric Acid; Tungstate(3-), tetracosa-.mu.-oxododecaoxo[.mu.12-(phosphato(3-)-O:O:O:O':O':O' :O'':O'':O'':O''':O''':O''')]dodeca-, trihydrogen, hydrat

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
12067-99-1 Phosphotungstic Acid Hydrate, p.a. 100 unlisted
Hazard Symbols: C
Risk Phrases: 34

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Causes burns.Corrosive.
Potential Health Effects
Eye:
Causes eye burns. Contact may cause ulceration of the conjunctiva and cornea.
Skin:
Causes skin burns. May cause skin rash (in milder cases), and cold and clammy skin with cyanosis or pale color.
Ingestion:
May cause severe and permanent damage to the digestive tract. Causes gastrointestinal tract burns. May cause perforation of the digestive tract. Causes severe pain, nausea, vomiting, diarrhea, and shock.
May cause systemic effects.
Inhalation:
Causes chemical burns to the respiratory tract. Aspiration may lead to pulmonary edema. May cause systemic effects.
Chronic:
Effects may be delayed.

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:
Never give anything by mouth to an unconscious person. Get medical aid immediately. Do NOT induce vomiting. If conscious and alert, rinse mouth and drink 2-4 cupfuls of milk or 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 victim ingested or inhaled the substance; induce artificial respiration with the aid of a pocket mask equipped with a one-way valve or other proper respiratory medical device.
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.
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:
Clean up spills immediately, observing precautions in the Protective Equipment section. Sweep up, then place into a suitable container for disposal. Avoid generating dusty conditions. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Wash hands before eating. Remove contaminated clothing and wash before reuse. Use only in a well-ventilated area. Minimize dust generation and accumulation.
Keep container tightly closed. Do not get on skin or in eyes. Do not ingest or inhale. Discard contaminated shoes.
Storage:
Keep away from heat and flame. Keep refrigerated. (Store below 4C/39F.) Keep container closed when not in use. Corrosives area.
Store in a cool, dry area away from incompatible substances.

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 ventilation to keep airborne concentrations low.
Exposure Limits CAS# 12067-99-1: United Kingdom, WEL - TWA: (listed as tungsten, soluble compounds mg/m3 TWA (as W) United Kingdom, WEL - STEL: (listed as tungsten, soluble compound 3 mg/m3 STEL (as W) Belgium - TWA: (listed as tungsten, soluble compounds): 1 mg/m3 V (as W) Belgium - STEL: (listed as tungsten, soluble compounds): 3 mg/m3 (as W) Malaysia: (listed as tungsten, soluble compounds): 1 mg/m3 TWA (a Netherlands: (listed as tungsten, soluble compounds): 1 mg/m3 MAC W) Russia: (listed as tungsten): 6 mg/m3 TWA Spain: (listed as tungsten, soluble compounds): 1 mg/m3 VLA-ED (a Spain: (listed as tungsten, soluble compounds): 3 mg/m3 VLA-EC (a CAS# 12501-23-4: United Kingdom, WEL - TWA: (listed as tungsten, soluble compounds mg/m3 TWA (as W) United Kingdom, WEL - STEL: (listed as tungsten, soluble compound 3 mg/m3 STEL (as W) Belgium - TWA: (listed as tungsten, soluble compounds): 1 mg/m3 V (as W) Belgium - STEL: (listed as tungsten, soluble compounds): 3 mg/m3 (as W) Malaysia: (listed as tungsten, soluble compounds): 1 mg/m3 TWA (a Netherlands: (listed as tungsten, soluble compounds): 1 mg/m3 MAC W) Russia: (listed as tungsten): 6 mg/m3 TWA Spain: (listed as tungsten, soluble compounds): 1 mg/m3 VLA-ED (a Spain: (listed as tungsten, soluble compounds): 3 mg/m3 VLA-EC (a 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: Crystals
Color: white to cream
Odor: Not available.
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: Not available.
Freezing/Melting Point: 0 deg C
Autoignition Temperature: Not applicable.
Flash Point: Not applicable.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature: Not available.
Solubility in water: soluble
Specific Gravity/Density: Not available.
Molecular Formula: H3PO40W12.xH2O
Molecular Weight: 2880.17

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
Stable under normal temperatures and pressures.
Conditions to Avoid:
High temperatures, dust generation.
Incompatibilities with Other Materials:
Strong bases.
Hazardous Decomposition Products:
Phosphine, oxides of phosphorus.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 12067-99-1: TH5650000 CAS# 12501-23-4 unlisted.
LD50/LC50:
CAS# 12067-99-1: Oral, rat: LD50 = 3300 mg/kg.
CAS# 12501-23-4.
Carcinogenicity:
Tungsten hydroxide oxide phosphate - Not listed by ACGIH, IARC, or NTP.
Phosphotungstic Acid Hydrate, p.a. - 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: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.*
Hazard Class: 8
UN Number: 3260
Packing Group: III
IMO
Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3260
Packing Group: III
RID/ADR
Shipping Name: CORROSIVE SOLID, ACIDIC, INORGANIC, N.O.S.
Hazard Class: 8
UN Number: 3260
Packing group: III

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: C
Risk Phrases:
R 34 Causes burns.
Safety Phrases:
S 24/25 Avoid contact with skin and eyes.
WGK (Water Danger/Protection)
CAS# 12067-99-1: No information available.
CAS# 12501-23-4: No information available.
Canada
CAS# 12067-99-1 is listed on Canada's DSL List.
CAS# 12067-99-1 is not listed on Canada's Ingredient Disclosure List.
CAS# 12501-23-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 12067-99-1 is listed on the TSCA inventory.
CAS# 12501-23-4 is not on the TSCA Inventory because it is a hydrate.
It is considered to be listed if the CAS number for the anhydrous form
is on the inventory (40CFR720.3(u)(2)).


SECTION 16 - ADDITIONAL INFORMATION
N/A

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