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Structure Probe, Inc.

P.O. Box 656 West Chester, PA 19381-0656 USA
Phone: 1-(610)-436-5400 Fax: 1-(610)-436-5755
E-mail: spi3spi@2spi.com

WWW: http://www.2spi.com
Manufacturer's CAGE: 1P573

Material Safety Data Sheet

SPI # 02535-BA, 02535-AB SPI-Chem™ Phosphotungstic Acid


Section 01 Identification

Date Effective... June 3, 2010
                  (most recent revision)

Chemical Name/Synonyms:
Phosphotungstic Acid  Hydrate; Tungstophosphoric acid hydrate 


Emergencies      Contacting CHEMTREC 24 Hour Emergency 
Use Only #'s.... Worldwide phone : 1-(703)-527-3887
                 Worldwide FAX   : 1-(703)-741-6090
                 Toll-free phone : 1-(800)-424-9300 USA only

Product or Trade Name... SPI #02535-AB Phosphotungstic acid hydrate

Synonyms.................  Tungstophosphoric acid hydrate;


Hazardous Material
Information System
USA
Health 1 National Fire
Protection Association
USA
Fire Hazard 0
Reactivity 0
Personal Protection  
NFPA Rating: (estimated) Health: 3 ; Flammability: 0 ; Reactivity: 0


Section 02 Composition

Component Name            	CAS #          Percent      EINECS/ELINCS
Phosphotungstic acid hydrate	12501-23-4	100		n/a 



Section 03 Hazard Identification

Emergency overview: 	Corrosive
			Causes eye and skin burns
			May be harmful if inhaled or swallowed

Appearance: White or slightly yellowish-green crystals, hygroscopic
Flash Point: n/a
 
Potential Health Effects

Eye: Eye contact causes eye burns

Skin: Skin contact causes skin burns.

Ingestion:Ingestion may be hazardous.

Inhalation: Inhalation may be hazardous to the mucous membranes and respiratory tract.

Chronic: Repeated exposure to low levels of dust may product eye irritation, contact 
dermatitis with the skin, or respiratory irritation and lung damage on inhalation.



Section 04 First Aid Measures

Eyes:  Flush eyes with copious amounts of water for at least 
15 minutes in case of eye contact.  Seek medical attention.

Skin: Flush skin with copious amounts of water for at least 15 
minutes in case of skin contact.  Remove contaminated shoes and 
clothing and wash before reuse.  Seek medical attention.

Ingestion: If swallowed, wash mouth out with water and seek 
medical attention.  Never give anything by mouth to an unconscious person. 

Inhalation: Remove victim to fresh air.  If not breathing, provide 
artificial respiration.  Provide oxygen if breathing is difficult.




Section 05 Fire Fighting Measures

General Information: Wear self-contained breathing apparatus and full protective 
clothing to prevent contact with eyes, skin, and respiratory system.  Emits 
toxic fumes under fire conditions.

Extinguishing Media: Use dry chemical powder.

Flash Point: n/a

Autoignition Temp: n/a




Section 06 Accidental Release Measures


General Information: Evacuate area.

Spills/Leaks: Ventilate the area. Wear self-contained breathing apparatus, 
rubber gloves, and rubber boots.  Sweep up, place in a container, and hold 
for waste disposal.  After pickup is complete, wash the spill site.  



Section 07 Handling and Storage

Handling: Avoid contact by inhalation, eye contact, skin contact, 
ore ingestion. Avoid repeated or prolonged contact.

Storage: Store in cool, dry area in tightly closed containers.




Section 08 Exposure Controls and Personal Protection


Engineering Controls: Use only in a chemical fume hood.  A safety shower and an eye wash 
station must be available to the work area.

Exposure Limits: n/a

Personal Protective Equipment

Eyes: Chemical splash goggles.

Skin: Chemical resistant gloves.

Clothing: Synthetic apron.  Wash contaminated clothing before reuse.  Dispose of contaminated 
shoes.  Wash thoroughly after handling.

Respirators: When ventilation is inadequate, use type N100 (US) or type P3 (EN143) respirator 
cartridges.  Use full-face supplied air respirator if this is the sole means of protection.



Section 09 Physical and Chemical Properties


Physical State: solid crystals	 
Appearance:  white or slightly yellowish-green
Odor:  n/a
pH:  n/a
Vapor Pressure:  n/a
Vapor Density:  n/a
Evaporation Rate:  n/a
Viscosity:  n/a
Boiling Point: n/a 
Freezing/Melting Point: n/a   
Autoignition Temperature:  n/a
Flash Point:  n/a
Decomposition Temperature: n/a  
Explosion Limits: n/a
Solubility in water:  soluble
Specific Gravity/Density:  n/a
Molecular Formula:  H3PO4·12WO3·nH2O
Molecular Weight:  2880.17




Section 10 Stability and Reactivity



Chemical Stability: Stable

Incompatibility with Other Materials: Strong bases, strong reducing agents, 
strong oxidizing agents

Hazardous Decomposition of Products: Under fire conditions, thermal decomposition 
products of phosphorus oxide, tungsten oxide, or phospine may be produced.

Hazardous Polymerization:  Will not occur.



Section 11 Toxicological Information


RTECS#:  TH5650000

LD50/LC50 Information: n/a

Carcinogenicity: Not known to cause cancer in humans or animals.

Eye: Eye contact causes eye burns

Skin: Skin contact causes skin burns.

Ingestion: Ingestion may be hazardous.

Inhalation: Inhalation may be hazardous to mucous membranes and respiratory tract.

Chronic: Repeated exposure to low levels of dust may product eye irritation, 
contact dermatitis with the skin, or respiratory irritation and lung damage on inhalation.



Section 12 Ecological Information

 
n/a



Section 13 Disposal Considerations


Use a licensed professional waste disposal service to dispose of this material.  
Observe all federal, state, and local regulations.  


Section 14 Transport Information

 

US DOT Hazard Class:
Proper shipping name:  corrosive solid, acidic, inorganic, n.o.s.
UN#: 3260
Class: 8
Packing Group: II
Hazard Label: Corrosive
PIH: not PHH

IATA (for international shipments)
Proper shipping name:  corrosive solid, acidic, inorganic, n.o.s.
UN#: 3260
Class: 8
Packing Group: II


Section 15 Regulatory Information

United States:
	Danger: Corrosive
  

European/International Regulations:
European Labeling in Accordance with EC Directives

Hazard Symbols:
Risk Phrases:        
	R: 34	Causes burns
Safety Phrases:
	S:26	In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
	S: 36/37/38 Wear suitable protective clothing, gloves, and eye/face protection.	 

Canada

This product has a WHMIS classification of Class E: Corrosive

DSL/NDSL: n/a



Section 16 Regulatory Information




United States:
	Danger: Corrosive

Disclaimer of Liability:

Caution!  Do not use SPI Supplies products or materials in applications 
involving implantation within the body; direct or indirect contact with 
the blood pathway; contact with bone, tissue, tissue fluid, or blood; or 
prolonged contact with mucous membranes.  Products offered by SPI Supplies 
are not designed or manufactured for use in implantation in the human body 
or in contact with internal body fluids or tissues.  SPI Supplies will not 
provide to customers making devices for such applications any notice, 
certification, or information necessary for such medical device use 
required by US FDA (Food and Drug Administration) regulation or any other 
statute.  SPI Supplies and Structure Probe, Inc. make no representation, 
promise, express warranty or implied warranty concerning the suitability 
of these materials for use in implantation in the human body or in contact 
with internal body tissues of fluids.
************************************************************************
The information and recommendations set forth above are taken from sources believed to be accurate as of the date hereof, however SPI Supplies and Structure Probe, Inc. make no warranty with respect to the accuracy of the information or the suitability of the recommendations, and assume no liability to any user thereof. The information contained in this sheet does not constitute a hazard assessment and should not be used in place of the user's own assessment of work place risks as required by other health and safety legislation.

Be aware of the Structure Probe, Inc. Copyright Policy. Structure Probe, Inc. grants a nonexclusive license to make unlimited copies of this safety sheet for internal use only. Quite obviously, this information would pertain only to this material when purchased from SPI Supplies as product from other sources, with other ingredients and impurity levels could have substantially different properties.

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