Di-Tert-Butyl Peroxide 110-05-4 MSDS
Name: Di-tert-butyl peroxide Material Safety Data Sheet
Synonym: tert-Butyl peroxide; Trigonox B; DTBP
CAS: 110-05-4
Section 1 - Chemical Product   MSDS Name:Di-tert-butyl peroxide Material Safety Data Sheet
Synonym:tert-Butyl peroxide; Trigonox B; DTBP

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
110-05-4 Di-tert-butyl peroxide 99 203-733-6
Hazard Symbols: O F
Risk Phrases: 11 7

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Highly flammable. May cause fire.Highly flammable.The toxicological properties of this material have not been fully investigated.
Potential Health Effects
Eye:
May cause eye irritation.
Skin:
May cause skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. The toxicological properties of this substance have not been fully investigated. May be harmful if swallowed.
Inhalation:
May cause respiratory tract irritation. The toxicological properties of this substance have not been fully investigated. May be harmful if inhaled.
Chronic:
No information found.

Section 4 - FIRST AID MEASURES
  Eyes: In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Get medical aid.
Skin:
In case of contact, flush skin with plenty of water. Remove contaminated clothing and shoes. Get medical aid if irritation develops and persists. Wash clothing before reuse.
Ingestion:
If swallowed, do not induce vomiting unless directed to do so by medical personnel. Never give anything by mouth to an unconscious person. Get medical aid.
Inhalation:
If inhaled, remove to fresh air. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:
Treat symptomatically and supportively.

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. Vapors can travel to a source of ignition and flash back. Strong oxidizer. Contact with other material may cause fire.
During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. Will burn if involved in a fire.
Flammable liquid and vapor. Will be easily ignited by heat, sparks or flame. Containers may explode if exposed to fire.
Extinguishing Media:
Use water spray, dry chemical, carbon dioxide, or chemical foam.

Section 6 - ACCIDENTAL RELEASE MEASURES
  General Information: Use proper personal protective equipment as indicated in Section 8.
Spills/Leaks:
Absorb spill with inert material (e.g. vermiculite, sand or earth), then place in suitable container. Avoid runoff into storm sewers and ditches which lead to waterways. Clean up spills immediately, observing precautions in the Protective Equipment section. Remove all sources of ignition. Use a spark-proof tool. Provide ventilation.

Section 7 - HANDLING and STORAGE
  Handling:
Wash thoroughly after handling. Use with adequate ventilation.
Ground and bond containers when transferring material. Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with eyes, skin, and clothing. Empty containers retain product residue, (liquid and/or vapor), and can be dangerous. Keep container tightly closed. Keep away from heat, sparks and flame. Avoid mechanical shock and friction. Do not pressurize, cut, weld, braze, solder, drill, grind, or expose empty containers to heat, sparks or open flames.
Storage:
Keep away from sources of ignition. Do not store near combustible materials. Store in a tightly closed container. Store in a dry area.
Refrigerator/flammables. Keep away from reducing agents.

Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
  Engineering Controls:
Use explosion-proof ventilation equipment. Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower.
Exposure Limits CAS# 110-05-4: Russia: 100 mg/m3 TWA 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:
Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
 
Physical State: Clear liquid
Color: Not available.
Odor: faint odor
pH: Not available.
Vapor Pressure: 4.27 kPa @ 20 deg C
Viscosity: Not available.
Boiling Point: 109 - 110 deg C
Freezing/Melting Point: -30 deg C
Autoignition Temperature: 165 deg C ( 329.00 deg F)
Flash Point: 6 deg C ( 42.80 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Slightly soluble.
Specific Gravity/Density: 0.800
Molecular Formula: C8H18O2
Molecular Weight: 146.23

Section 10 - STABILITY AND REACTIVITY
  Chemical Stability:
A dangerous self-accelerating decomposition reaction and, under certain circumstances, explosion or fire can be caused by direct contact with incompatible substances or by thermal decomposition at and above the SADT (see Section 16). SADT (Self-Accelerating Decomposition Temperature): 80C/176F.
Conditions to Avoid:
Incompatible materials, ignition sources, excess heat, combustible materials.
Incompatibilities with Other Materials:
Reducing agents, acids, bases, finely powdered metals, rust, heavy metals.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, acetone, methane.
Hazardous Polymerization: Has not been reported.

Section 11 - TOXICOLOGICAL INFORMATION
  RTECS#:
CAS# 110-05-4: ER2450000 LD50/LC50:
CAS# 110-05-4: Draize test, rabbit, eye: 500 mg/24H Mild; Draize test, rabbit, skin: 500 mg; Inhalation, mouse: LC50 = >4103 ppm/4H; Inhalation, rat: LC50 = >4100 ppm/4H; Oral, mouse: LD50 = 216.4 mg/kg; Oral, rat: LD50 = >25 gm/kg.
Carcinogenicity:
Di-tert-butyl peroxide - 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: ORGANIC PEROXIDE TYPE E, LIQUID
Hazard Class: 5.2
UN Number: 3107
Packing Group: II
IMO
Shipping Name: ORGANIC PEROXIDE TYPE E, LIQUID
Hazard Class: 5.2
UN Number: 3107
Packing Group: II
RID/ADR
Shipping Name: ORGANIC PEROXIDE TYPE E, LIQUID
Hazard Class: 5.2
UN Number: 3107
Packing group: II

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: O F
Risk Phrases:
R 11 Highly flammable.
R 7 May cause fire.
Safety Phrases:
S 3/7 Keep container tightly closed in a cool,
well-ventilated place.
S 14A Keep away from acids, reducing agents and
polymerisation catalysts.
S 16 Keep away from sources of ignition - No
smoking.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 110-05-4: 1
Canada
CAS# 110-05-4 is listed on Canada's DSL List.
CAS# 110-05-4 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 110-05-4 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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