Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information
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4-Phenylbiphenyl(92-94-4)

Supplier Product Identification Physical and Chemical Properties First Aid Measures Handling and Storage Hazards Identification Exposure Controls/Personal Protection Fire Fighting Measures Accidental Release Measures Stability and Reactivity Transport Information

Product Identification

Product Name
4-Phenylbiphenyl
Synonyms
1,4-Diphenylbenzene
1,4-Terphenyl
4-Phenylbiphenyl
p-Diphenylbenzene
p-Triphenyl
CAS
92-94-4
Formula
C18H14
Molecular Weight
230.32
EINECS
202-205-2
RTECS
WZ6475000
RTECS Class
Agricultural Chemical and Pesticide
Beilstein/Gmelin
1908447
Beilstein Reference
4-05-00-02483

Physical and Chemical Properties

Appearance
Colorless or light-yellow solid.
Solubility in water
Insoluble
Melting Point
210 - 211
Boiling Point
383
Vapor Pressure
3E-6 (25 C)
Density
1.234 g/cm3 (0 C)
Partition Coefficient
5.73
Heat Of Vaporization
68.4 kJ/mol
Usage
Polymerized with styrene to make a plastic phosphor, single crystals used as scintillation counters.
Vapor Density
7.95

First Aid Measures

Ingestion
If victim is conscious and alert, give 2-4 cupfuls of milk or water. Never give anything by mouth to an unconscious person. Get medical aid immediately.
Inhalation
Remove from exposure to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid.
Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing contaminated clothing and shoes. Remove contaminated clothing and shoes.
Eyes
Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid immediately.

Handling and Storage

Storage
Store in a cool, dry place. Keep container closed when not in use. Store in a cool, dry, well-ventilated area away from incompatible substances. Keep containers tightly closed.
Handling
Wash thoroughly after handling. Remove contaminated clothing and wash before reuse. Use with adequate ventilation. Minimize dust generation and accumulation. Avoid contact with eyes, skin, and clothing. Avoid ingestion and inhalation.

Hazards Identification

Inhalation
May cause respiratory tract irritation.
Skin
May cause skin irritation.
Eyes
May cause eye irritation.
Ingestion
May cause digestive tract disturbances.
Hazards
Fire may produce irritating or poisonous gases.
EC Risk Phrase
R 36/37/38
EC Safety Phrase
S 26 36
UN (DOT)
1325

Exposure Controls/Personal Protection

Personal Protection
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 29CFR 1910.134 or European Standard EN 149. Always use a NIOSH or European Standard EN 149 approved respirator when necessary.
Exposure Effects
Headache, fatigue, numbness, and aching limbs have occurred in workers. Peripheral and central nerve damage may occur.
Exposure limit(s)
NIOSH REL: C 5 mg/m3 (0.5 ppm) OSHA PEL: C 9 mg/m3 (1 ppm) IDLH 500 mg/m3
Poison Class
-

Fire Fighting Measures

Flash Point
207
Fire Fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. During a fire, irritating and highly toxic gases may be generated by thermal decomposition or combustion. To extinguish fire use water spray, dry chemical, carbon dioxide, or appropriate foam.
Upper exp. limit
3.4
Lower exp. limit
.5
Fire Potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.

Accidental Release Measures

Small spills/leaks
Clean up spills immediately, using the appropriate protective equipment. Sweep up or absorb material, then place into a suitable clean, dry, closed container for disposal. Avoid generating dusty conditions. Remove all sources of ignition. Provide ventilation.

Stability and Reactivity

Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.
Combustion Products
Fire may produce irritating and/or toxic gases.

Transport Information

UN Number
1325
Hazard Class
4.1
Packing Group
II; III
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