ChemicalBook CAS DataBase List 8032-32-4

8032-32-4

Name	PETROLEUM ETHER
CAS	8032-32-4
EINECS(EC#)	289-220-8
Molecular Formula	C7H7BrMg
MDL Number	MFCD00081849
Molecular Weight	195.339
MOL File	8032-32-4.mol

Chemical Properties

Definition	Any of a number of narrowboiling-range fractions of petroleum with bp of approximately 93–204C, according to the specific use.
Appearance	colourless liquid with hydrocarbon odour
Melting point	-40℃
Boiling point	90-100 °C
density	0.77 g/mL at 20 °C
vapor density	2.5 (vs air)
vapor pressure	25.8 psi ( 55 °C)
refractive index	n20/D 1.428
Fp	−57 °F
storage temp.	Store at room temperature.
solubility	Chloroform (Soluble), Ethyl Acetate (Slightly)
form	Liquid
color	APHA: ≤10
Specific Gravity	0.715 （20/4℃）
Odor	Gasoline or kerosene
Stability:	Stable. Extremely flammable. Avoid strong oxidizing agents, all sources of ignition. As a consequence of its low flashpoint, mixtures of this material with air may ignite upon contact with hot surfaces-a naked flame is not required.
explosive limit	8%
Water Solubility	Insoluble in water.
λmax	λ: 210 nm Amax: 1.00 λ: 220 nm Amax: 0.30 λ: 230 nm Amax: 0.10 λ: 240 nm Amax: 0.05 λ: 260-400 nm Amax: 0.01
Merck	14,5489
Exposure limits	TLV-TWA 300 ppm (～1350 mg/m³) (ACGIH), 75 ppm (～350 mg/m³) (NIOSH); TLV-STEL 400 ppm (ACGIH).
Uses	Thinners in paints and varnish. less more
EPA Substance Registry System	Ligroine(8032-32-4)

Safety Data

Hazard Codes	Xn,T,F,N,F+
Risk Statements	12-65-45-67-51/53-38-11-22-50/53-10-39/23/24/25-23/24/25-46-66-52/53 less more
Safety Statements	62-45-53-61-16-60-23-36/37-24 less more
OEB	A
OEL	TWA: 350 mg/m3, Ceiling: 1800 mg/m3 [15-minute]
RIDADR	UN 3295 3/PG 2
WGK Germany	3
RTECS	OI6180000
Autoignition Temperature	475 °F
TSCA	Yes
HazardClass	3
PackingGroup	I
HS Code	27101299
Safety Profile	Confirmed carcinogen. A poison by intravenous route. Mildly toxic by inhalation. Ingestion can cause a burning sensation, vomiting, diarrhea, drowsiness, and, in severe cases, pulmonary edema. Inhalation of concentrated vapors can cause intoxication resembling that from alcohol, headache, nausea, coma, and hemorrhage to various vital organs. An eye irritant. A flammable liquid and highly dangerous fire hazard when exposed to heat, flame, sparks, or oxidizing materials. Explosive in the form of vapor when exposed to heat or flame. Highly dangerous; keep away from heat or flame. To fight fire, use foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes less more
Hazardous Substances Data	8032-32-4(Hazardous Substances Data)
Toxicity	LD50 intravenous in mouse: 40mg/kg less more

Raw materials And Preparation Products

Hazard Information

Chemical Properties

colourless liquid with hydrocarbon odour

Chemical Properties

Petroleum ether is a flammable liquid used as a universal solvent and extractant during the processing of different chemicals, like fats, waxes, paints, varnishes, furniture polish thinning, as detergent, and as fuel. The major components include paraffi ns, olefi ns, naphthenes, aromatics, and about 10%–40% ethyl alcohol.

General Description

Colorless liquid with the odor of gasoline. Less dense than water and insoluble in water. Hence floats on water. Also refered to as Varnish Makers & Painters Naphtha. This petroleum fraction is similar to Petroleum Ether (CAS 8030-30-6) but V.M. & P. is a heavier distillate. Flash point ranges from 20° F to 100° F.

Air & Water Reactions

Highly flammable. Insoluble in water.

Reactivity Profile

PETROLEUM NAPHTHA, [FLAMMABLE LIQUID LABEL] may be incompatible with strong oxidizing agents like nitric acid. Charring may occur followed by ignition of unreacted material and other nearby combustibles. In other settings, mostly unreactive. Not affected by aqueous solutions of acids, alkalis, most oxidizing agents, and most reducing agents. When heated sufficiently or when ignited in the presence of air, oxygen or strong oxidizing agents, burns exothermically to produce mostly carbon dioxide and water.

Health Hazard

Inhalation of concentrated vapor may cause intoxication. Liquid is not very irritating to skin or eyes but may get into lungs by aspiration.

Hazard

Flammable, dangerous fire risk.

Health Hazard

After acute and prolonged exposures to petroleum ether in work places, occupational workers suffer and demonstrate a variety of health disorder. The symptoms of toxicity include, but are not limited to, erythema, edema, skin peeling, loss of appetite, muscle weakness, paresthesia, CNS depression, peripheral nerve disorders, skin and respiratory irritation, and chemical pneumonia in children. Occupational workers exposed to rubber solvent, varnish, thinner, and petroleum spirits develop skin irritation, respiratory problems, and hematologic effects.

Fire Hazard

Flammable liquid; flash point (closed cup) 14°C (57°F); vapors form explosive mixtures with air within the range 1.2–6.0% by volume in air.

Flammability and Explosibility

Extremelyflammable

Purification Methods

Shake it several times with conc H2SO4, then 10% H2SO4 and concentrated KMnO4 (to remove unsaturated, including aromatic, hydrocarbons) until the permanganate colour persists. Wash it with water, aqueous Na2CO3 and again with water. Dry it with CaCl2 or Na2SO4, and distil it. It can be dried further using CaH2 or sodium wire. Passage through a column of activated alumina, or treatment with CaH2 or sodium, removes peroxides. For the elimination of carbonyl-containing impurities without using permanganate, see n-heptane. These procedures could be used for all fractions of pet ethers. See skellysolve below, p. 178. Rapid purification: Pass it through an alumina column and fractionally distilling, collecting the desired boiling fraction.

Toxics Screening Level

Naphtha (petroleum) heavy straight-run may also have the ITSL of 3500 μg/m3, with eight hour averaging.

Questions And Answer

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.The majority components include paraffins, olefins, naphthenes, aromatics, and about 10%–40% ethyl alcohol。
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. ;
Chemical Properties
Petroleum ether is a colorless liquid. Extracts of leaves of Litchi chinensis Gaertn. (Sapindaceae) have been prepared in petroleum ether and were evaluated for antiinflammatory, analgesic and antipyretic activities. Pentanes and hexanes are the major constituents of petroleum ether.;
uses
Petroleum ether is generally a mixture of low boiling aliphatic hydrocarbons mainly hexane and pentane. It is generally used as a laboratory solvent and also as an extraction solvent.
Petroleum ether has been used for the analysis of total dietary fiber content by employing a total dietary fibre assay kit. It may be used in the absorption chromatographic purification of organic compounds.;
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 ;

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8032-32-4

Chemical Properties

Safety Data

Raw materials And Preparation Products

Raw materials

Preparation Products

Hazard Information

Chemical Properties

Chemical Properties

General Description

Air & Water Reactions

Reactivity Profile

Health Hazard

Hazard

Health Hazard

Fire Hazard

Flammability and Explosibility

Purification Methods

Toxics Screening Level

Questions And Answer

Description

Chemical Properties

uses

References

Spectrum Detail

Supplier

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