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

SPI# 02822-AB, 02822-BA, 02822-CA SPI-Chem™ Benzoyl Peroxide
Component of 02630-AA, 02630-AB SPI-Chem™ "Low Acid" GMA TEM Kit
Component of 02640-AB SPI-Chem™ "Low Acid" GMA Kit for LM
Component of 02686-AA, 02686-AA, 02687-AA Mercox™ Corrosion Casting System
Component of 02672-AB SPI-Chem Low Acid HPMA Kit for TEM
Component of 02674-AB SPI-Chem Low Acid HPMA Kit for LM



Section 1: Identification

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


Chemical Name/Synonyms...  Benzoyl Peroxide moistened with water 
                           (H2O ~25%)                            

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 #02822-AB, 02822-BA, 02822-CA  SPI-Chem™ Benzoyl Peroxide
Component of 02630-AA, 02630-AB - SPI-Chem™ "Low Acid" GMA TEM Kit
Component of 02640-AB - SPI-Chem™ "Low Acid" GMA Kit for LM
Component of 02686-AA, 02686-AA, 02687-AA - Mercox™ Corrosion Casting System

Synonyms: 
Dibenzoyl peroxide; Benzoic acid peroxide; Benzoyl superoxide

Chemical Formula:
Benzoyl Peroxide	94-36-0	(C6H5CO)2O2
Water		 	7732-18-5	H2O	

 



Section 2 Composition

Component Name            CAS #          Percent       EINECS/ELINCS
Benzoyl Peroxide	94-36-0		>70 to <75	202-327-6
Water			7732-18-5	>25 to <30	231-791-2




Section 3: Hazard Identification


Emergency overview:
Oxidizing, Irritant
Explosive when dry.

Appearance: Solid, damp white powder to paste

Flash Point:    Not available
 
Warning!  Contact with combustible material may cause fire

Hazardous Material
Information System
USA
Health3 National Fire
Protection Association
USA
Fire Hazard0
Reactivity3
Personal Protection 
NFPA (National Fire Protection Association) Rating (Scale 0-4): (estimated) Health: 3 ; Flammability: 0; Reactivity: 3; Special Hazard: Oxidizer; Irritant Conditions to Avoid: Contact with combustible material may cause fire.


Section 4: First Aid Measures


Target Organs: Lungs, Nerves

Potential Health Effects

Eye: Irritant. In case of exposure to eye, flush with copious amounts of water 
for at least 15 minutes, keeping the eyelid open with fingers.  Seek medical attention.

Skin: May cause sensitization. Readily absorbed through skin. In case of skin 
contact, flush with large amounts of water for at least 15 minutes.  Remove contaminated 
clothing and shoes.  Seek medical attention.

Ingestion: If conscious, wash out mouth with water.  Seek medical attention.

Inhalation: If inhaled, move to fresh air.  If breathing becomes difficult, 
                   seek medical attention.

Chronic: Laboratory experiments have resulted in mutagenic effects. 





Section 5: Fire Fighting Measures

Auto Ignition Temp: 80 C

General Information: 
	Protective Equipment: Wear self-contained breathing apparatus and protective 
        clothing to prevent contact with skin and eyes.

	Special Hazards:  Emits toxic fumes under fire conditions.  Contact with other 
        material may cause fire.  May accelerate combustion.

Extinguishing Media:
	Carbon dioxide, dry chemical powder or appropriate foam.




Section 6: Accidental Release Measures


General Information:
	Evacuate the area.  Wear appropriate protective clothing and self-contained 
        breathing apparatus to prevent contact with skin and eyes.

Spills/Leaks:
	Sweep up and hold in appropriate container for waste disposal.  Avoid raising dust. 
        Ventilate area and wash spill site with water after material pick-up is complete




Section 7: Handling and Storage


Handling:
	Do not breathe dust. Avoid eye, skin and clothing contact.  Avoid prolonged or 
        repeated exposure.

Storage:
	Store refrigerated recommended.
	Keep in tightly closed containers.
	Store away from combustible materials, heat, sparks and open flame.




Section 8: Exposure Controls and Personal Protection


Engineering Controls:
	Use only in a chemical fume hood.
	Safety shower and eye bath must be readily available.
	Wash thoroughly after handling.


Exposure Limits:

Chemical Name           ACGIH           NIOSH           OSHA - Final PELs
Benzoyl Peroxide	5 mg/m3 TWA	5 mg/m3 TWA	5 mg/m3 TWA
					1500 mg/m3 IDLH
Water			none		none		none


OSHA Vacated PELs:	Benzoyl Peroxide:	5 mg/m3 TWA
			Water: none


Personal Protective Equipment

Eyes:  Use chemical safety goggles as described by OSHA's eye and face 
protection regulations in 29 CFR 1910.133 or European Standard EN166.

Skin: Wear chemical resistant gloves to avoid skin contact.

Clothing: Wear appropriate protective clothing to prevent skin contact.

Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 
or European Standard EN 149.





Section 9: Physical and Chemical Properties


Physical State:  Solid
Appearance:  	White
Odor:  		Mild
pH:  		Not available
Vapor Pressure:  Not available
Vapor Density:  Not available
Evaporation Rate:  Not available
Viscosity:  	Not available
Boiling Point:  Not available
Freezing/Melting Point:   103-104 C
Autoignition Temperature:  80 C
Flash Point:  Not available
Decomposition Temperature: Not available 

Explosion Limits, Lower:  Not available
                     Upper:  Not available

Solubility in water:  not soluble
Specific Gravity/Density:  Not available

Molecular Formula:  
    Benzoyl Peroxide		94-36-0	(C6H5CO)2O2
	Water		 	7732-18-5	H2O	

Molecular Weight: 
	Benzoyl Peroxide: 242
	Water: 18 





Section 10: Stability and Reactivity


Chemical Stability: Unstable. Self ignition is possible.

Conditions to Avoid: Heat.  Contamination.

Incompatibility with Other Materials: Strong acids, strong bases, strong 
oxidizing agents, amines, reducing agents, polymerizing initiators.


Hazardous Decomposition of Products: Carbon monoxide, carbon dioxide, benzoic acid.

Hazardous Polymerization:
	Will not occur.




Section 11: Toxicological Information


RTECS#:  
 CAS# 94-36-0	 DM8575000      
 CAS# 7732-18-5	 ZC0110000

LD50/LC50 Information:
CAS #: 94-36-0	Oral - Rat: >950 mg/Kg
CAS #: 7732-18-5 - Rat:>90 ml/kg

Carcinogenicity:
CAS# 			94-36-0			7732-18-5

ACGIH:   		not listed		not listed
California:   		not listed		not listed
NIOSH:   		not listed		not listed
NTP:   			not listed		not listed
OSHA:    		not listed		not listed
IARC:  			not listed		not listed

Teratogenicity: Not available.

Reproductive Effects:
BP caused testicular atrophy in mice and/or rats exposed by the oral route.

Neurotoxicity:   Not available.

Mutagenicity:
Noted in human cells and rat liver cells (RTECS 1996).


Other Studies:  
Not available.
 



Section 12: Ecological Information


Exotoxicity:
LC50 Fish		2.0 mg/l @96.0 hours
EC50 Daphnia		2.9 mg/l @48.0 hours
EC50 Algae		0.83 mg/l @72.0 hours




Section 13: Disposal Considerations


Use US EPA guidelines for the classification determination are listed 
in 40 CFR Parts 261.3 to determine whether a discarded chemical is 
classified as a hazardous waste. Observe all state and local hazardous 
waste.

RCRA P-Series:  none listed
RCRA U-Series:  none listed





Section 14: Transport Information

 

US DOT:
	Proper Shipping Name:  Organic peroxide type C, solid
	UN#: 3104
	Class: 5.2
	Packing Group : Packing Group II
	Hazard Label: Organic Peroxide
	PIH: Not PIH

	

IATA (for international shipments)
	Proper Shipping Name: Organic peroxide type C, solid
	IATA UN Number: 3104
	Hazard Class: 5.2





Section 15: Regulatory Information



United States:

TSCA:
  CAS# 94-36-0 is listed on the TSCA inventory. 
  CAS# 7732-18-5 is listed on the TSCA inventory.

Health & Safety Reporting List
  None of the chemicals is on the Health & Safety Reporting List.

Chemical Test Rules
  None of the chemicals is under a Chemical Test Rule.

Section 12b:
  None of the chemicals is listed under TSCA Section 12b.

TSCA Significant New Use Rule:
  None of the chemicals in this material has a SNUR under TSCA.

SARA Codes:
  CAS# 94-36-0: fire, sudden release of pressure
  CAS# 7732-18-5: none

Section 302 (RQ)
  None of the chemicals in this material has an RQ.

Section 302 (TPQ)
  None of the chemicals in this product have a TPQ.

Section 313
  This material contains Benzoyl peroxide, CAS# 94-36-0, >70 to <75%, which is subject to 
  the reporting requirements of Section 313 of SARA Title III and 40 CFR Part 373.

Clean Air Act:
  This material does not contain any hazardous air pollutants.
  This material does not contain any Class 1 Ozone depletors.
  This material does not contain any Class 2 Ozone depletors.

Clean Water Act:
  None of the chemicals in this product is listed as a Hazardous Substance under the CWA.
  None of the chemicals is this product is listed as a Priority Pollutant under the CWA.
  None of the chemicals in this product is listed as a Toxic Pollutant under the CWA.

OSHA:
	CAS# 94-36-0 is considered highly hazardous by OSHA.

State (Individual states in the USA)
	CAS# 94-36-0 can be found on the following state right to know lists: California, 
        New Jersey, Pennsylvania, Minnesota, Massachusetts.

	CAS# 772-18-5 is not listed on any state list.

California Prop. 65:
	California No Significant Risk Level: 
	None of the chemicals in this product is listed.

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

Hazard Symbols: O, Xi
Risk Phrases:        
     R:
1 Explosive when dry.
8 Contact with combustible material may cause fire.
36 Irritating to eyes.
43 May cause sensitization by skin contact.
    
Safety Phrases:
     S:
   17 Keep away from combustible material.
   26 In case of contact with eyes, rinse immediately with plenty of water and seek 
   medical advice.
   36/37 Wear suitable protective clothing and gloves.

WGK (Water Danger/Protection):
CAS# 94-36-0: 1
CAS# 7732-18-5: Not available

Canada:
DSL/NDSL:
	CAS# 94-36-0 is listed on Canada's DSL List.
	CAS# 1832-18-5 is listed on Canada's DSL List.

INGREDIENT DISCLOSURE LIST:
	CAS# 94-36-0 IS LISTED ON THE Canadian Ingredient Disclosure List.

WHMIS: 
	This product has a WHMIS classification of D2B, F, C.




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. 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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