Here’s a concise update on the latest news about petroleum ether, based on publicly available sources up to now.
- Petroleum ether is a nonpolar solvent commonly used in laboratory extractions and as a low-boiling hydrocarbon fraction of petroleum distillates. Recent safety and regulatory pages continue to classify it as a volatile, flammable hydrocarbon mixture with associated health and handling precautions. For example, hazard databases note its flash point and explosive limits, underscoring its flammability risk in industrial and lab settings.[2]
- Market and regulatory coverage around petroleum ether tends to focus on safety data sheets, supplier specifications, and generic market overviews rather than breaking “news” items, reflecting its niche but stable role in chemical manufacturing and research.[6][7][9]
- Some scientific literature explores toxicology and biological effects of petroleum ether extracts in experimental contexts, though these studies are typically about specific extracts or formulations rather than broad, real-time news developments about petroleum ether as a commodity or product category.[1][4]
If you want, I can narrow to one of these areas:
- Latest regulatory developments or safety advisories for petroleum ether in the US or globally.
- Recent scholarly articles about petroleum ether extracts (for example, in toxicology or pharmacognosy).
- Market/industry news or supplier updates (pricing, availability, or grade specifications like 40/60, 60/80, etc.).
Would you like me to focus on regulatory safety alerts, scientific studies, or market news? I can also pull in the most recent items from specific sources if you tell me which region or aspect you care about.[4][2][6]
Sources
The median lethal concentration (LC50) of the petroleum ether extract (1.3 microL/mL) was about three times that of the chloroform extract (4.1 microL/mL) at 24 h post-treatment. At the concentrations of 500.0 microL/mL, the median lethal time (LT50) of the petroleum ether extract and the chloroform extract was 8.4 and 9.6 h, respectively. … The LC50 of all the tested samples were showed to be lethal to brine shrimp nauplii. However, petroleum ether, carbon-tetrachloride extract, column...
www.science.govFlash Point: -86 to -40°F (NIOSH, 2024) Lower Explosive Limit (LEL): 1.1 % (NIOSH, 2024) Upper Explosive Limit (UEL): 5.9 % (NIOSH, 2024) Autoignition Temperature: data unavailable … Boiling Point: 86 to 460°F at 760 mmHg (NIOSH, 2024) Molecular Weight: 99 (approx) (NIOSH, 2024) Water Solubility: Insoluble (NIOSH, 2024) Ionization Energy/Potential: data unavailable IDLH: 1100 ppm ; Based on 10% of the lower explosive limit. [From NPG: Petroleum distillates (naphtha)] (NIOSH, 2024)
cameochemicals.noaa.govCAS Number 8032-32-4
www.ncc.ieIt was found that these solvents except 2-Pro showed a promising oil recovery rate of about 40%, but the recycling of DCM solvent after oil extraction was quite low. Three solvents (CHX, MEK and EA) were then selected for examining the effect of freeze/thaw treatment on improving the quality of recovered oil.
www.science.govIn general, organic solvents are inhibiting many physiological enzymes and alter the behavioural functions, but the available scientific knowledge on laboratory solvent induced organ specific toxins are very limited. Hence, the present study was ...
pmc.ncbi.nlm.nih.gov