n-Pentylbenzene

  • 1-Phenyl-n-pentane
  • Amylbenzene
Formula
C6H5(CH2)4CH3
Structure
Description
Colorless liquid.

Registry Numbers and Inventories.
CAS
538-68-1
EC (EINECS/ELINCS)
208-701-5
UN (DOT)
1325
Merck
13,604
Beilstein/Gmelin
1904359
Beilstein Reference
4-05-00-01085
Swiss Giftliste 1
G-2791
Canada DSL/NDSL
NDSL
US TSCA
Listed
Austrailia AICS
Listed
New Zealand
Listed
Japan ENCS (MITI)
Listed

Properties.
Formula
C11H16
Formula mass
148.25
Melting point, °C
-74 - -73
Boiling point, °C
205
Vapor pressure, mmHg
0.4 (25 C)
Critical temperature
402
Critical pressure
25.5
Density
0.8594 g/cm3 (20 C)
Solubility in water
Insoluble
Viscosity
1.49 cp (15 C)
Surface tension
29.65 g/s2 (20 C)
Refractive index
1.4851 (20 C)
Partition coefficient, pKow
4.80
Heat of vaporization
42.9 kJ/mol

Hazards and Protection.
Storage
Keep away from sources of ignition. Store in a cool, dry place. Store in a tightly closed container.
Handling
Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes.
Protection
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.
Small spills/leaks
Absorb spill with inert material, (e.g., dry sand or earth), then place into a chemical waste container.
Disposal code
1
Stability
Stable under normal temperatures and pressures.
Incompatibilities
Strong oxidizing agents.
Decomposition
Carbon monoxide, carbon dioxide.

Fire.
Flash Point,°C
66
Upper exp. limit, %
5.1
Lower exp. limit, %
0.7
Fire fighting
Wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Combustible Liquid. To extinguish fire use water spray, dry chemical, carbon dioxide, or chemical foam.
Fire potential
Flammable/combustible material. May be ignited by friction, heat, sparks or flames.
Combustion products
Fire may produce irritating and/or toxic gases.
Health
1
 
Flammability
2
 
 
Reactivity
0
 

Health.
Poison_Class
4
Exposure effects
The toxological properties of this substance have not been fully investigated.
   Ingestion
May cause irritation of the digestive tract. May be harmful if swallowed.
   Inhalation
May cause respiratory tract irritation. May be harmful if inhaled.
   Skin
May cause skin irritation. May be harmful if absorbed through the skin.
   Eyes
May cause eye irritation.

First aid
 
   Ingestion
Get medical aid. Wash mouth out with water.
   Inhalation
Remove from exposure to fresh air immediately.
   Skin
Get medical aid. Flush skin with plenty of soap and water for at least 15 minutes while removing 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.

Transport.
UN number
1325
Response guide
Hazard class
4.1
Packing Group
II; III
 
USCG CHRIS Code
AKD
 
32 Aromatic hydrocarbons
HS Code
2902 90 80
 
IMO Chemical Code
17
IMO Pollution Category
A
IMO Hazard code
P