PETROLEUM ETHER Chemical Properties

Melting point:

−95 °C(lit.)

Boiling point:

90-100 °C

Density 

0.77 g/mL at 20 °C

vapor density 

3 (vs air)

vapor pressure 

256 mm Hg ( 37.7 °C)

refractive index 

n20/D 1.428

Flash point:

-9 °F

storage temp. 

Store at +5°C to +30°C.

solubility 

0.04g/l

form 

Liquid or Solid

color 

Clear colorless to yellow

explosive limit

0.7-6.5%(V)

Merck 

13,04712

CAS DataBase Reference

64742-82-1

EPA Substance Registry System

Naphtha (petroleum), hydrodesulfurized heavy (64742-82-1)

Safety Information

Hazard Codes 

Xn,T,N,F

Risk Statements 

12-65-45-67-62-51/53-48/20-38-11-50/53-46-52/53-48/20/21/22

Safety Statements 

62-45-53-61-36/37-60-16-33-29-9

RIDADR 

UN 3295 3/PG 2

WGK Germany 

3

RTECS 

OI6180000

F 

3-10

Autoignition Temperature

240 °C

HS Code 

2710 12 21

HazardClass 

3.2

PackingGroup 

III

MSDS

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PETROLEUM ETHER Usage And Synthesis

Description

Petroleum ether, a petroleum distillation fraction, is a mixture of low molecular weight aliphatic hydrocarbons (mostly pentanes and hexanes) with a low boiling range, typically around 30-60oC. Its name is derived from its origin and its ease of evaporation. Petroleum ether is commonly used as a nonpolar solvent for oils, fats, and waxes. Petroleum ether is used in pharmaceutical industries as a solvent to isolate compounds, e.g. petroleum ether can extract stigmasterol and beta-sitosterol from the aerial parts of Ageratum conyzoides and compounds with immunomodulatory activity from Anacyclus pyrethrum. It is also used as a detergent, a fuel, insecticide, in paints and varnishes, and in photography.

References

1. Anjoo Kamboj, Ajay Kumar Saluja (2011) Isolation of Stigmasterol and beta sitosterol from petroleum ether extract of Aerial parts of Ageratum Conyzoides (Asteracea), Inter. J. Pharma. Pharma. Sci. 3, 94-¬96.
2. Ashton Acton (2011) Advances in Immune System Research and Applications
3. https://www.cdc.gov/niosh/pdfs/77-192c.pdf

Definition

PETROLEUM ETHER is a complex combination of hydrocarbons obtained from a catalytic hydrodesulfurization process. It consists of hydrocarbons having carbon numbers predominantly in the range of C7 through C12 and boiling in the range of approximately 90.degree.C to 230.degree.C (194.degree.F to 446.degree.F).

Flammability and Explosibility

Extremely flammable

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