Res-tek inc

RT-BPO-50
Page: 1 of 5
Revised:02.25.10
Product Name: RT-BPO-50

Hazardous Materials Identification System (HMIS) Rating
HEALTH -1
PRODUCT IDENTIFICATION
Dibenzoyl peroxide, BPO-50 with phthalate Product and/or Components Entered on EPA’s TSCA Inventory: This product is in U.S. commerce, and is listed in the Toxic Substances Control Act (TSCA) Inventory of Chemicals; hence, it is subject to all applicable provisions and restrictions of 40 CFR, Sections 721 and 723.250. COMPONENTS CAS
Ingredients
Number by wt PEL
Dibenzoyl Peroxide 94-36-0 49 ~ 51 5 mg/m3 Dicyclohexyl Phthalate 84-61-7 49 ~ 51 5 mg/m3* RT-BPO-50
Page: 2 of 5
Revised: 02.25.10
PERSONAL PROTECTION INFORMATION

Ventilation: Use adequate ventilation.

Respiratory Protection: Not generally required unless needed to prevent respiratory irritation. In case of
spill or leak resulting in unknown concentration, use NIOSH/MSHA approved supplied air respirator. When entry into or exit from concentrations of unknown exposure, use NIOSH/MSHA approved self-contained breathing
Eye Protection: Use chemical goggles

Skin Protection: Use butyl rubber gloves. Wear protective garments to prevent excessive skin contact.

Note: Personal protection information shown in Section C is based upon general information as to normal uses
and conditions. Where special or unusual uses or conditions exist, it is suggested that the expert assistance of an industrial hygienist or other qualified professional be sought.
D. HANDLING AND STORAGE PRECAUTIONS

HANDLE WITH CARE. Keep away from materials or conditions listed below in Section E, Reactivity Data.
Do not grind or subject Benzoyl Peroxide to frictional heat or shock. Do not add peroxide to hot reaction mixtures. Do not transfer to rigid containers with tight or screw-on closures. Do not allow benzoyl peroxide to dry out, as the material will become shock and friction sensitive. Wear protective equipment and/or garments described in Section C if exposure conditions warrant. Avoid inhalation and skin and eye contact. Wash hands after handling. Launder contaminated clothing before reuse. Dispense and transfer in an area separate from storage area. Store ONLY in original containers in a cool, isolated, well ventilated area. The addition of accelerators for polymerization may result in vigorous decomposition. Store below 100°F (38°C). Do not return residues to original container. Consult NFPA 432 for storage area guidance. . Storage and handling designs should be arranged in consultation with a person experienced in these types of
E. REACTIVITY DATA

Stability: This material is thermally and chemically reactive, either of which may result in dangerous
conditions. Self Accelerating Decomposition Temperature ≅ 140°F (60°C).

Conditions to Avoid: Heat, flames, sparks, metal contamination and direct sunlight. Temperatures above the
storage temperature of 100°F (38°C) could lead to a loss of product quality and a thermal decomposition of the product that could generate hazardous and flammable chemicals.
Incompatibility (materials to avoid): Combustion materials, acids, oxidizing and reducing agents,

Hazardous Polymerization: Will not occur.

Hazardous Decomposition Products: Not established.


RT-BPO-50
Page: 3 of 5
Revised: 02.25.10
HEALTH HAZARD DATA

Recommended Exposure Limits: See Section B.

Acute Effects of Overexposure:

Eye: May produce severe eye and mucous membrane irritation, including superficial corneal opacity, and redness

Skin: May produce moderate skin irritation, including redness, swelling, and burning sensation.

Inhalation: May be moderately irritating to the nose, throat, and mucous membranes. Tearing, salivation,
decreased respiratory rates, difficulty breathing and lethargy may occur with overexposure.
Ingestion: May produce slight muscular weakness.

SUBCHRONIC AND CHRONIC EFFECTS OF OVEREXPOSURE:

Repeated exposure may produce allergic reactions in some individuals characterized by redness, itching, oozing,
crusting and scaling of skin and asthmatic wheezing.
OTHER HEALTH EFFECTS:
Topical application of benzoyl peroxide to mice, previously initiated by exposure to 7,12-dimethylbenz(a) anthracene, promoted both papillomas and carcinomas. Benzoyl peroxide was inactive on the skin of mice as a complete carcinogen or as a tumor initiator.
HEALTH HAZARD CATEGORIES:

FIRST AID AND EMERGENCY PROCEDURES

Eye: Flush eyes with running water for AT LEAST 15 minutes. Seek medical attention.

Skin: Wash skin with soap and water. If irritation develops, seek medical attention.

Inhalation: Remove from exposure. If breathing becomes labored or irritation develops, seek immediate medical

Ingestion: Do not induce vomiting. Seek immediate medical attention.
RT-BPO-50
Page: 4 of 5
Revised: 02.25.10
G. PHYSICAL DATA
Appearance: White, free-flowing granules
Solubility (in water): Negligible
Specific Gravity (H 0=1): 0.64 Kg/l
Percent Volatile by Volume: NA
Viscosity: NA
NE = Not Established

H. FIRE AND EXPLOSION DATA
Flash Point (Method used): NA

Auto ignition temperature: NE

Flammable Limits (% by volume): LEL: NE UEL: NE

Fire Extinguishing Media: Dry chemical, foam, carbon dioxide

Special Fire Fighting Procedures: Wear protective equipment and/or garments described in
Section C if exposure conditions warrant. Self-contained breathing apparatus may be needed for large fires or if fire is in confined area. For large fires, evacuate the area and fight fire from a safe distance using
Fire and Explosion Hazards: Benzoyl peroxide will explode at temperatures above 392°F (200°C).
Do not do any fire fighting where an explosion hazard exists. Toxic fumes may be released in a fire involving benzoyl peroxide. Containers of benzoyl peroxide near fire should be cooled with a water spray to prevent contents from reaching decomposition temperature.
I. SPILL, LEAK AND DISPOSAL PROCEDURES

Precautions Required if Material is Released or Spilled:
Evacuate area of all unnecessary personnel. Wear protective equipment and/or garments described in Section C if exposure conditions warrant. Keep out of water sources and sewers. Carefully collect the material and transfer to polyethylene-lined disposal containers. DO NOT ALLOW BENZOYL
PEROXIDE TO DRY OUT; ADD WATER IF NECESSARY.

Waste Disposal (Insure Conformity with all Applicable Disposal Regulations):
Treat or dispose of at a RCRA approved hazardous waste management facility. Care should be taken when treating or disposing of this product. Material may be very reactive. RT-BPO-50
Page: 5 of 5
Revised: 02.25.10
DOT TRANSPORTATION
Shipping Name: Organic Peroxide Type D, Solid, (Dibenzoyl peroxide, 50%)
Hazard Class: Organic Peroxide, 5.2
ID Number: UN3106
Marking: Organic Peroxide Type D, Solid, (Dibenzoyl peroxide, 50%)
Placard: Organic Peroxide, 5.2
Hazardous Substance/R
Shipping Description: Organic Peroxide Type D, Solid, (Dibenzoyl peroxide, 50%) 5.2,
Packaging References:

K. RCRA CLASSIFICATION - UNADULTERATED PRODUCT AS A WASTE
PROTECTION REQUIRED FOR WORK ON CONTAMINATED EQUIPMENT

Contact immediate supervisor for specific instruction before work is initiated. Wear protective garments and/or
equipment described in Section C if exposure conditions warrant.
M. HAZARD CLASSIFICATION

Yes This product meets the following hazard definition(s) as defined by the Occupational Safety and
Health Hazard Communication Standard (29 CFR Section 1910.1200) Yes Oxidizer
Yes Health Hazard (Sec.F)
Yes Unstable
No Based on the information presently available, this product does not meet any of the hazard definitions
N. ADDITIONAL COMMENTS
SARA 313: This product contains a chemical or chemicals subject to the reporting requirements of
Section 313 of Title III of the Superfund Amendments and Reauthorization Act of 1986 and 40 CFR Part Information contained in this MSDS refers only to the specific material designated and does not relate to any process or to use with any other materials. This information is based on data believed to be reliable as of the date hereof, IT IS FURNISHED WITHOUT WARRANTY OF ANY KIND EXPRESS OR IMPLIED. Since actual use is beyond our control, no guarantee, express or implied, and no liability is assumed by Res-Tek Inc, in connection with the use of this information. Nothing herein is to be construed as a recommendation to infringe any patents.

Source: http://www.res-tek.net/PDF/RT_BPO_50_MSDS.pdf