Petroleum ether

Petroleum ether[1][2][3]
Names
Other names
Benzine; Light ligroin; Light petroleum; pether
Identifiers
ChemSpider
  • none
ECHA InfoCard 100.029.498 Edit this at Wikidata
EC Number
  • 232-453-7
UNII
Properties
Molar mass 82.2 g/mol
Appearance Volatile, clear, colorless and non-fluorescent liquid
Density 0.653 g/mL
Melting point < −73 °C (−99 °F; 200 K)
Boiling point 42–62 °C (108–144 °F; 315–335 K)
insoluble
Solubility in Ethanol soluble
Vapor pressure 31 kPa (20 °C)
1.370
Viscosity 0.46 mPa·s
Hazards
GHS labelling:
GHS02: Flammable GHS07: Exclamation mark GHS08: Health hazard GHS09: Environmental hazard
Danger
H225, H304, H315, H336, H411
P210, P243, P273, P301+P310, P301+P330+P331, P303+P361+P353, P403+P235
NFPA 704 (fire diamond)
NFPA 704 four-colored diamondHealth 2: Intense or continued but not chronic exposure could cause temporary incapacitation or possible residual injury. E.g. chloroformFlammability 4: Will rapidly or completely vaporize at normal atmospheric pressure and temperature, or is readily dispersed in air and will burn readily. Flash point below 23 °C (73 °F). E.g. propaneInstability 0: Normally stable, even under fire exposure conditions, and is not reactive with water. E.g. liquid nitrogenSpecial hazards (white): no code
2
4
0
Flash point < 0 °C (32 °F; 273 K)
246.11 °C (475.00 °F; 519.26 K)
Explosive limits 1.4–5.9 %
300 ppm (1370 mg/m3) 8 h TWA (TWA)
Lethal dose or concentration (LD, LC):
3400 ppm (rat, 4 h)
NIOSH (US health exposure limits):
PEL (Permissible)
 100 ppm (400 mg/m3) 8 h TWA
REL (Recommended)
 100 ppm (400 mg/m3) 10 h TWA
IDLH (Immediate danger)
 1000 ppm
Related compounds
Related compounds
 Ligroin, Petroleum benzine, Petroleum spirit, Stoddard solvent, Naphtha, White spirit
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Petroleum ether is the petroleum fraction consisting of aliphatic hydrocarbons and boiling in the range 35–60 °C, and commonly used as a laboratory solvent.[4] Despite the name, petroleum ether is not an ether; the term is used only figuratively, signifying extreme lightness and volatility.

  1. ^ Dieter Stoye (2007), "Solvents", Ullmann's Encyclopedia of Industrial Chemistry (7th ed.), Wiley, p. 41
  2. ^ N. Irving Sax, ed. (1957), "Petroleum Spirits", Dangerous Properties of Industrial Materials, Reinhold, pp. 996–997
  3. ^ Patricia J Beattie (2005), "Petroleum Ether", Encyclopedia of Toxicology, vol. 3 (2nd ed.), Elsevier, pp. 375–376
  4. ^ David R. Lide, ed. (2010), CRC Handbook of Chemistry and Physics (90th ed.), CRC Press, pp. 2–60