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MSDS 
:
 Phosphotungstic Acid Hydrate, p.a.
CAS 
:
 12067-99-1
SYNONYMS 
:
 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, hydrate
**** SECTION 2 - COMPOSITION, INFORMATION ON INGREDIENTS ****

+----------------+--------------------------------------+----------+-----------+
| CAS# | Chemical Name | % | EINECS# |
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
|----------------|--------------------------------------|----------|-----------|
| 12501-23-4 |Phosphotungstic Acid Hydrate, p.a. | 100 | unlisted |
+----------------+--------------------------------------+----------+-----------+
Text for R-phrases: see Section 16
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 ****

Text for R-phrases from Section 2
MSDS Creation Date: 9/02/1997 Revision #6 Date: 4/21/2005

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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