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Name:
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3 3-Diphenylhexamethyltrisiloxane 97% Material Safety Data Sheet
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Synonym:
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CAS:
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797-77-3
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Section 1 - Chemical Product
MSDS Name:3 3-Diphenylhexamethyltrisiloxane 97% Material Safety Data Sheet
Synonym:
Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
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CAS#
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Chemical Name
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content
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EINECS#
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797-77-3
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3,3-Diphenylhexamethyltrisiloxane
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97%
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unlisted
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Hazard Symbols: XI
Risk Phrases: 36/37/38
Section 3 - HAZARDS IDENTIFICATION
EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin.
Potential Health Effects
Eye:
Causes eye irritation.
Skin:
Causes skin irritation. May be harmful if absorbed through the skin.
Ingestion:
May cause irritation of the digestive tract. May be harmful if swallowed.
Inhalation:
Causes 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:
If victim is conscious and alert, give 2-4 cupfuls of milk or water.
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.
Extinguishing Media:
Use carbon dioxide or dry chemical.
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.
Section 7 - HANDLING and STORAGE
Handling:
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Use only in a chemical fume hood.
Storage:
Store in a cool, dry place. Store in a tightly closed container.
Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION
Engineering Controls:
Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Use adequate ventilation to keep airborne concentrations low.
Exposure Limits CAS# 797-77-3: 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: Clear liquid
Color: colorless
Odor: slight odor
pH: Not available.
Vapor Pressure: Not available.
Viscosity: Not available.
Boiling Point: 172 deg C @ 18 mmHg
Freezing/Melting Point: Not available.
Autoignition Temperature: Not available.
Flash Point: Not available.
Explosion Limits, lower: Not available.
Explosion Limits, upper: Not available.
Decomposition Temperature:
Solubility in water: Negligible.
Specific Gravity/Density: 0.98
Molecular Formula: CH3Si(C6H5)2OSi(CH3)2OSi(CH3)3
Molecular Weight: 360.4513
Section 10 - STABILITY AND REACTIVITY
Chemical Stability:
Stable.
Conditions to Avoid:
Excess heat.
Incompatibilities with Other Materials:
Not available.
Hazardous Decomposition Products:
Carbon monoxide, carbon dioxide, silicon dioxide.
Hazardous Polymerization: Has not been reported
Section 11 - TOXICOLOGICAL INFORMATION
RTECS#:
CAS# 797-77-3 unlisted.
LD50/LC50:
Not available.
Carcinogenicity:
3,3-Diphenylhexamethyltrisiloxane - Not listed by ACGIH, IARC, or NTP.
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
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
Risk Phrases:
R 36/37/38 Irritating to eyes, respiratory system
and skin.
Safety Phrases:
S 26 In case of contact with eyes, rinse immediately
with plenty of water and seek medical advice.
S 37/39 Wear suitable gloves and eye/face
protection.
WGK (Water Danger/Protection)
CAS# 797-77-3: No information available.
Canada
None of the chemicals in this product are listed on the DSL/NDSL list.
CAS# 797-77-3 is not listed on Canada's Ingredient Disclosure List.
US FEDERAL
TSCA
CAS# 797-77-3 is not listed on the TSCA inventory.
It is for research and development use only.
SECTION 16 - ADDITIONAL INFORMATION N/A
