SPI Supplies
SPI Supplies Division
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

02492-RA, 02492-BF Vinylec K Resin; 02493-RA, 02493-BF Vinylec L Resin; 02491-RA, 02491-BF Vinylec H Resin; 02490-RA, 02490-BF Vinylec E Resin


Section 1: Identification

Date Effective........... January 8, 2009
                          (most recent revision)


Chemical Name/Synonyms...  Polymer from polyvinyl alcohol and formaldehyde as
			               a copolymer with polyvinyl acetate; VINYLEC;
			               Polyvinyl Formal Resin



Chemical family..........  Polyvinyl formal resin

  

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 #02492-RA, 02492-BF Vinylec K
			               SPI #02493-RA, 02493-BF Vinylec L
			               SPI #02491-RA, 02491-BF Vinylec H
			               SPI #02490-RA, 02490-BF Vinylec EŽ 
                           Resin for Electron Microscopy
                           

Chemical Formula.........  Not known






Section 2: Composition


CAS #....................  63450-15-7     99.9+%   polyvinyl formal resin
                            50-00-0       < 0.1%    formaldehyde

NFPA Rating:  Not known




Section 3: Hazard Identification


Emergency overview:
                  This material is not hazardous by OSHA Hazard Communication 
                  Definition

Physical Health Hazards:
                  None known.

Physical state:   Solid

Color:            White to light yellow colored, free flowing powder

Odor:             Slightly pungent

Odor threshold:   No data available


Toxicity Data:
                 Oral LD50 (Rat) >5.010 mg/kg - practically nontoxic
                 Dermal LD50 (Rabbit) >2.000 mg/kg - nor more than slightly toxic

Irritation Data:
  Eye (Rabbit):  3.3 on a scale of 110.0 - slightly irritating
  Skin (Rabbit): 0.0 on a scale of 8.0 - non-irritating

Potential Health Effects:

Routes of exposure:
                 Inhalation, Ingestion, Skin Contact

Signs and Symptoms of Acute Exposure:
            Not known.  Animals subjected to long term exposure to polyvinyl 
            alcohol under the skin showed no increase in tumor formation where 
            a powdered form was used.  However, an increase in tumors was reported 
            in similar studies where polyvinyl alcohol sponges were implanted 
            (IARC Monographs 19:351-359).  NIOSH registry of toxic effects of 
            chemical substances reported polyvinyl alcohol as "animal positive" 
            for carcinogenicity.  Although the sponge form of polyvinyl alcohol has 
            caused fibrosis in humans, the information is not considered relevant to 
            normal workplace exposure to polyvinyl alcohol resins and therefore, 
            these resins are not considered to pose a carcinogenic risk to a worker.

Skin contact:
                 May be irritating.

Inhalation:
                 May be harmful

Eye contact:
                 Mechanical irritation is possible, therefore the dust form of the 
                 material should be kept from contacting the eyes.

Ingestion:
                 May be harmful.  

Chronic Health Effects Summary:
                 No known chronic health effects.

Conditions Aggravated by Exposure:
                No known conditions are aggravated by this material.  However, there 
                is a dust-explosion potential present with the use of this material, 
                especially when working with larger (than laboratory) quantities.




Section 4: First Aid Measures


Handle in accordance with good industrial hygiene and safety practices.
These practices include avoiding unnecessary exposure and removal of the
material from eyes, skin and clothing.

Inhalation:  
     If symptoms are experienced, move victim to fresh
     air, if symptoms persist, obtain medical attention.

Eye Contact: 
     Wash eyes with clean low-pressure water.  If 
     irritation persists, seek medical advice.

Skin Contact: 
     If powdered or dust form of the material contacts the skin, 
     immediately flush the skin with large amounts of water. If 
     irritation or other symptoms persist, seek medical attention.

Ingestion:  
     Adverse health effects due to ingestion are not
     anticipated.  If gastric irritation or discomfort
     persists, seek medical advice.





Section 5: Fire Fighting Measures

      

NFPA Rating:  Not known

Flammability classification:  Not classified.  

Flash Point/Method:  Not applicable

Auto-Ignition Temperature:  Not known

Flammable Limits:  
     Lower:  Not applicable
     Upper:  Not applicable

Hazardous Combustion/Decomposition Products:
     Carbon monoxide, carbon dioxide, formaldehyde, acetic acid,  
     acrolein (trace) may be formed.

Special Conditions to Avoid:
     Dust particles in the atmosphere of this material may be explosive.
     Keep away from heat, sparks, flame and all other ignition sources.  
     Keep containers or bags tightly closed. Clean up all dust 
     accumulations.  Prevent dust accumulations and dust clouds, 
     possibly using water to "wet" dry dust from forming a cloud.
 

Extinguishing Media:
     Water spray or any Class A extinguishing agent.

Fire Fighting Instructions:
     Protective Equipment/Clothing:  Wear a NIOSH approved positive
     pressure self-contained breathing apparatus and firefighter
     turnout gear.  There could be the evolution of toxic products of 
     combustion. Firefighting equipment should be fully decontaminated 
     after use.

Instructions: 
     Use flooding quantities of water until well after fire is out.

Unusual fire and explosion hazards: 
     Dust when mixed in sufficient quantities with air creates a 
     potential for explosive concentrations.






Section 6: Accidental Release Measures

      


Release response:

     Vacuum or otherwise pick up and retain for recycle or disposal.  
     Do not flush spilled material to the sewer or the environment.  
     Avoid creating a dust cloud since this could create an a potential 
     for a dust explosion hazard.  Use vacuum equipment designed especially 
     for handling combustible dust.

          

Reportable Quantities:

    See Section 15: Regulatory information.





Section 7: Handling and Storage



Handling:
   Handle in accordance with good industrial hygiene and safety practices.
   These practices include avoiding unnecessary exposure and removal of the
   material from eyes, skin and clothing. 


Storage:
   Keep container dry. Store away from excessive heat, sparks and flame.
   Avoid creating any dust cloud when handling.  Keep container close
   to prevent contamination.





Section 8: Exposure Controls and Personal Protection


Engineering Controls: 

   Provide sufficient ventilation to minimize exposure. Use local mechanical
   exhaust ventilation at sources of air contamination such as open process
   equipment.

Personal Protection:

   Inhalation: Avoid breathing dust. Use NIOSH/OSHA approved equipment when
   airborne exposure is excessive. High airborne concentrations may require
   use of self-contained breathing apparatus or supplied air respirator.
   Respiratory protection programs must be in compliance with 29 CFR
   1910.134.  

   Skin: 

   Skin contamination should be minimized as good industrial practice.  
   Wearing of protective gloves is recommended.  Wash hands and 
   contaminated skin after handling.

   Eye:  
   Always use safety glasses, even for work with small 
   quantities, such as the making Formvar filmed grids.





Section 9: Physical and Chemical Properties


Boiling Point/Range:  Not applicable

pH:                   Not applicable

Vapor Pressure:       Not applicable

Viscosity:            Not applicable

Specific Gravity (Water = 1): 1.1-1.3
       
Water solubility: Insoluble

Solubilities: Phenols, some chlorinated hydrocarbons, alcohol mixtures, and
   certain aromatic hydrocarbons.

Octanol/Water Partition Coefficient in Kow: Specific value not known

Melting/Freezing Point: Not applicable

Evaporation Rate: Not applicable

Percent Volatile as packed (%) Max: 2.2




Section 10: Stability and Reactivity


Chemical Stability:
       The product is stable.

Conditions to Avoid:  
       Avoid contact with excessive heat, sparks or open flame 
       or dust accumulation.

Incompatibility with: 
       None known

Hazardous Products of Deposition:  
       Carbon dioxide, carbon monoxide, formaldehyde,   
       acetic acid, acrolein (trace).

Reactions with Air and Water:  
       Does not react with air, water or other common 
       materials.





Section 11: Toxicological Information


Summary:  
     Not considered to be toxic to humans or animals

Component:
     Polyvinyl formal resin  99.9+%
     Formaldehyde           < 0.1%



Skin Effects: 
     No skin effects are expected from contact.

Acute Oral Effects:  
     Animal studies showed no adverse health 
     effects when performed on polyvinyl alcohol.

Acute Inhalation Effects:  
     None known

Subchronic Effects:  
     None known

Chronic Effects/Carcinogenicity:
   None expected from polyvinyl formal resin, however, formaldehyde is a
   suspected human carcinogen by IARC. Note: Formaldehyde is present but in
   less than 0.1% levels.

Reproductive/Development Effects:
     No reproductive or developmental effects are expected.





Section 12: Ecological Information


Exotoxicity:  Exotoxicity is expected to be low based on the low 
              water solubility of polymers.  No other information 
              is known on this topic.

Environmental Fate: No information found in our selected references.

Bioaccumulation:  Not expected to occur.





Section 13: Disposal Considerations


Polyvinyl formvar is not a "hazardous waste" as that term is defined in the 
Resource Conservation and Recovery Act (RCRA), 40 CFR 261, "Identification 
and Listing of Hazardous Waste". Burn in an approved incinerator or dispose 
of in an approved landfill in accordance with all applicable local, state, 
and federal laws and regulations.  Consult your appropriate regulatory 
officials for information on such disposal.




Section 14: Transport Information


Proper Shipping Name:  Polyvinyl Formal Resin

Special Hazard Precautions:  Causes only slight eye irritation.

DOT Hazard Class:  Non-Regulated
UN/NA ID:          Not Regulated
Packing Group:     Not Applicable
Labels:            Not Regulated
Marine Pollutant:  Not known, but probably not based on its insolubility in water.
NAER Guidebook:    Not Regulated
DOT Status:        Not Regulated




Section 15: Regulatory Information

TSCA:  This product is listed on the TSCA 8(b) inventory.  
       If identified components of this product are listed 
       under the TSCA 12(b) Export Notification Rule, they 
       will be listed below.

TSCA 12(b) Component Listed under TSCA Section


SARA-Section 313 Emissions Reporting:
    Component Reporting Threshold
	

SARA-Section 311/312:  
No components present in this product are subject to the reporting 
requirements of this statute.

CERCLA Hazardous Substances and their Reportable Quantities: 

    Component                  Reportable Quantity


California Prop. 65:
Proposition 65 requires manufacturers or distributors of consumer 
products into the State of California to provide a warning statement 
if the product contains ingredients for which the State has found to 
cause cancer, birth defects or other reproductive harm.  If this product 
contains an ingredient listed by the State of California to cause cancer 
or reproductive toxicity, it will be listed below:





Section 16: Other Information


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.

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