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2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane
CAS No.: 78-63-7
Synonyms:
Formula: C16H34O4
Exact Mass: 290.24600
Molecular Weight: 290.43900
PSA: 36.92000
LogP: 4.81720
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2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane 78-63-7 MSDS
Name: 2 5-Dimethyl-2 5-di(tert-butylperoxy)hexane Material Safety Data Sheet
Synonym:
CAS: 78-63-7
Section 1 - Chemical Product   MSDS Name:2 5-Dimethyl-2 5-di(tert-butylperoxy)hexane Material Safety Data Sheet
Synonym:

Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
CAS# Chemical Name content EINECS#
78-63-7 2,5-Dimethyl-2,5-di(tert-butylperoxy)h 201-128-1
Hazard Symbols: XI O
Risk Phrases: 10 36/38 7

Section 3 - HAZARDS IDENTIFICATION
  EMERGENCY OVERVIEW
Flammable. Irritating to eyes and skin. May cause fire.
Potential Health Effects
Eye:
Causes eye irritation. Lachrymator (substance which increases the flow of tears).
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract.
Inhalation:
May cause respiratory tract irritation. May be harmful if inhaled.
Chronic:
Not available.

Section 4 - FIRST AID MEASURES
  Eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid.
Skin:
Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes.
Ingestion:
Do not induce vomiting. Get medical aid. Wash mouth out with water.
Inhalation:
Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Notes to Physician:

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. Strong oxidizer. Contact with other material may cause fire. Will burn if involved in a fire. Flammable liquid and vapor.
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. Remove all sources of ignition.
Use a spark-proof tool.

Section 7 - HANDLING and STORAGE
  Handling:
Use spark-proof tools and explosion proof equipment. Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Avoid mechanical shock and friction.
Storage:
Keep away from sources of ignition. Do not store near combustible materials. Store in a tightly closed container. Store in a dry area.
Store at around 20C. 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# 78-63-7: Personal Protective Equipment Eyes: Not available.
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: Liquid
Color: slightly yellow
Odor: characteristic odor
pH: Not available.
Vapor Pressure: < 0.01 kPa @ 20
Viscosity: 6.4 mPa.s 20 deg C
Boiling Point: 55 - 57 deg C @ 7 m
Freezing/Melting Point: 6 deg C
Autoignition Temperature: > 400 deg C (> 752.00 deg F)
Flash Point: 55 deg C ( 131.00 deg F)
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Immiscible.
Specific Gravity/Density: 0.870
Molecular Formula: C16H34O4
Molecular Weight: 290.44

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).
Conditions to Avoid:
Incompatible materials, ignition sources, combustible materials.
Incompatibilities with Other Materials:
Oxidizing agents, 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# 78-63-7: MO1835000 LD50/LC50:
CAS# 78-63-7: Oral, rat: LD50 = >3200 mg/kg.
Carcinogenicity:
2,5-Dimethyl-2,5-di(tert-butylperoxy)hexane - Not listed by ACGIH, IARC, or NTP.
Other:
See actual entry in RTECS for complete information.

Section 12 - ECOLOGICAL INFORMATION
  Other No information available.

Section 13 - DISPOSAL CONSIDERATIONS
  Dispose of in a manner consistent with federal, state, and local regulations.

Section 14 - TRANSPORT INFORMATION
 
IATA
No information available.
IMO
No information available.
RID/ADR
No information available.

Section 15 - REGULATORY INFORMATION
 
European/International Regulations
European Labeling in Accordance with EC Directives
Hazard Symbols: XI O
Risk Phrases:
R 10 Flammable.
R 36/38 Irritating to eyes and skin.
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 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 36/37/39 Wear suitable protective clothing, gloves
and eye/face protection.
WGK (Water Danger/Protection)
CAS# 78-63-7: 1
Canada
CAS# 78-63-7 is listed on Canada's DSL List.
CAS# 78-63-7 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 78-63-7 is listed on the TSCA inventory.


SECTION 16 - ADDITIONAL INFORMATION
N/A

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