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320447

Sigma-Aldrich

Petrolether

ACS reagent

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About This Item

CAS-Nummer:
8032-32-4
EG-Nummer:
232-453-7
MDL-Nummer:
MFCD00081849
UNSPSC-Code:
12191502
NACRES:
NA.07

Qualität

ACS reagent

Dampfdichte

2.5 (vs air)

Dampfdruck

25.8 psi ( 55 °C)
7.99 psi ( 20 °C)

Form

liquid

Selbstzündungstemp.

475 °F

Expl.-Gr.

8 %

Verunreinigungen

acidity, passes test

Abdampfrückstand

≤0.001%

Farbe

APHA: ≤10

Brechungsindex

n20/D 1.363 (lit.)

bp

30-60 °C (lit.)
35-60 °C

Dichte

0.64 g/mL at 25 °C (lit.)

InChI

1S/C7H7.BrH.Mg/c1-7-5-3-2-4-6-7;;/h3-6H,1H3;1H;/q;;+1/p-1

InChIKey

ZRJNGFJIBZKXTP-UHFFFAOYSA-M

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Allgemeine Beschreibung

Petroleum ether is the petroleum fraction, consisting of C5 and C6 hydrocarbons (Pentanes and hexanes are the major constituents), commonly used as a laboratory solvent due to its low boiling point and non-polar characteristics.

Anwendung

Petroleum ether can be used as a solvent for extracting:
  • Non-polar compounds from various samples, such as plant materials or organic mixtures.
  • Carotenoids from the marine Thraustochytrium sp. ONC-T18.

Signalwort

Danger

Gefahreneinstufungen

Aquatic Chronic 2 - Asp. Tox. 1 - Flam. Liq. 1 - Skin Irrit. 2 - STOT SE 3

Zielorgane

Central nervous system

Lagerklassenschlüssel

3 - Flammable liquids

WGK

WGK 2

Flammpunkt (°F)

-56.2 °F

Flammpunkt (°C)

-49 °C

Analysenzertifikate (COA)

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Petrolether puriss., low boiling point hydrogen treated naphtha, meets analytical specification of DAB, bpmin. 75% 40-60 °C (min. 75%)

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24587

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Sigma-Aldrich

W312908

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Sigma-Aldrich

296082

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Benzophenon purified by sublimation, ≥99%

Sigma-Aldrich

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Lena Ernstgård et al.
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A move from 'standard' white spirit (stdWS, 15-20% aromatics) to low-aromatic or dearomatized white spirit (deWS) has been seen, as the latter are considered to carry a smaller risk of health effects. However, data on health risks of deWS on
S Edelfors et al.
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Female rats were exposed to white spirit (400 and 800 ppm for 6 hr/day) at day 7-20 during pregnancy. Thirty-five days after birth all female offspring were sacrificed, the brains removed, and the synaptosomal fractions prepared for in vitro studies.
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Numerous studies have suggested that long-term occupational exposure to white spirit may cause chronic toxic encephalopathy (WHO 1996). This review summarizes the chronic nervous system effects of white spirit in animal studies during a 30-year period. First, routine histopathology was
P S Tofts et al.
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The selection of a suitable low dielectric constant liquid for radiofrequency coil nonuniformity measurements is described. Measurements of dielectric constant (relative permittivity) were made on a range of candidate liquids. After excluding liquids that were too inflammable or too viscous
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