Phosgene odor threshold

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August undefined, 2024

WebPhosgene (COCl₂) is a colorless gas with a suffocating odor like musty hay. Exposure to phosgene may cause irritation to the eyes, dry burning throat, vomiting, cough, foamy sputum, breathing difficulty, and chest pain; and … WebPhosgene Panel web page for medical treatment options: ... US. ACGIH Threshold Limit Values Material Type Value Phosgene (CAS 75-44-5) TWA 0.1 ppm US. NIOSH: Pocket Guide to Chemical Hazards ... Odor Grass. Odor threshold 0.4 - 1.5 ppm (EPA IRIS 2006) pH Not applicable. Melting point/freezing point-198.4 °F (-128 °C)

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WebCheryl B. Bast, Dana F. Glass-Mattie, in Handbook of Toxicology of Chemical Warfare Agents (Second Edition), 2015 Concluding Remarks and Future Directions. Phosgene is a colorless gas at ambient temperature and pressure, and inhalation is the most important route of exposure for phosgene. The odor of phosgene has been described as similar to newly … WebPhosgene is a lung toxicant that causes damage to the capillaries, bronchioles and alveoli of the lungs, by decomposition to hydrochloric acid. There is little immediate irritant effect … floating blocks quilt pattern

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WebThe odor threshold is reported to be between 0.5 and 1.5 parts per million (ppm), a value above or approaching AEGL-2 and AEGL-3 values, and tolerance to the pleasant odor of phosgene occurs rapidly. Furthermore, following odor detection and minor irritation, serious effects may occur after a clinical latency period of ≤24 h. WebJan 1, 2024 · The odor threshold is between 0.5 and 1.5 Data regarding humans are limited to occupational exposures or accounts from the use of phosgene in World War I. Animal studies with phosgene show a steep exposure–response curve … WebJan 1, 2015 · Inhalation is the most important route of exposure for phosgene. A latency period occurs before phosgene affects the target organ, the lungs. The odor threshold is between 0.5 and 1.5. ppm, and ... greatholder

Phosgene ResearchGate

WebThe odor threshold is reported to be between 0.5 and 1.5 parts per million (ppm), a value above or approaching AEGL-2 and AEGL-3 values, and tolerance to the pleasant odor of phosgene occurs rapidly. Furthermore, … http://www.cameochemicals.noaa.gov/chemical/4228 floating blocks quilt pattern freeWebPhosgene is a stable compound at normal ambient temperatures (21oC or 70oF). At temperatures above 250oC (482oF), phosgene decomposes to form mixtures of carbon … great holding industrial tfl

"Web2O) is a colorless, nonflammable gas with an odor like newly mown hay. Phosgene is produced commercially by chlorinating carbon monoxide. Phosgene has a health hazard rating of 4, which designates a highly toxic material. Odor is an insufficient warning of hazardous concentrations. The odor threshold is 5 times higher than the OSHA Permissible " - Phosgene odor threshold

Phosgene odor threshold

PHOSGENE (CARBONYL CHLORIDE)† - Occupational …

WebApr 1, 2009 · A latency period occurs before phosgene affects the target organ, the lungs. The odor threshold is between 0.5 and 1.5 ppm, and the odor has been described as … WebOdor threshold is 5 times greater than OSHA PEL. Thus, odor provides insufficient warning of hazardous concentrations. Phosgene’s irritating quality can be mild and delayed, which …

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WebOdor No information available Odor Threshold No information available pH No information available Melting Point/Range 77 - 81 °C / 170.6 - 177.8 °F Boiling Point/Range 203 - 206 °C - / 397.4 402.8 °F @ 760 mmHg Flash Point No information available Evaporation Rate Not applicable Flammability (solid,gas) No information available WebJan 17, 2024 · What is the odor threshold for phosgene? Odor Threshold: The odor threshold of phosgene has been reported as 0.125 ppm by the ILO, 0.5 to 1.0 ppm by Thienes and Haley, and 0.5 ppm by both Patty and May. Is …

WebDescription: colorless gas with a sweet odor at room temperature; colorless liquid when contained under pressure or cooled. Warning properties: inadequate (odor threshold of … WebApr 1, 2009 · Inhalation is the most important route of exposure for phosgene. A latency period occurs before phosgene affects the target organ, the lungs. The odor threshold is between 0.5 and 1.5 ppm, and the odor has been described as similar to newly-mown hay. Toxic effects have been reported at concentrations below the threshold. On initial …

WebPhosgene is a colorless nonflammable gas that has the odor of freshly cut hay. It is a manufactured chemical, but small amounts occur naturally from the break down of … WebJul 28, 2024 · Phosgene (COCl 2) is a highly toxic gas or liquid that is classified as a pulmonary irritant. Exposure to phosgene gas produces delayed-onset noncardiogenic pulmonary edema. Immediate symptoms …

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WebOdor; Odor Threshold; Other Properties; Solubilities; Vapor Density; Vapor Pressure; Viscosity; Hazmat. ... Phosgene CAS RN: 75-44-5 Threshold Limit Values. 8 hr Time … great holdingWebOdor Threshold Odor cannot be used as a warning for potential exposure. The odor threshold is reported to be between 0.5 and 1.5 parts per million (ppm) ... and tolerance to … great hogwartsWeb3.10 Vapor (Gas) Irritant Characteristics: Vapors cause severe irritation of eyes and throat and can cause eye and lung injury. They cannot be tolerated even at low concentrations. 3.11 Liquid or Solid Characteristics: Severe irritant to all tissues. 3.12 Odor Threshold: 0.5 ppm 3.13 IDLH Value: 2 ppm 3.14 OSHA PEL-TWA: 0.1 ppm great holding industrial co ltdPhosgene is an insidious poison as the odor may not be noticed and symptoms may be slow to appear. The odor detection threshold for phosgene is 0.4 ppm, four times the threshold limit value. Its high toxicity arises from the action of the phosgene on the –OH, –NH2 and –SH groups of the proteins in pulmonary alveoli (the site of gas exchange), respectively forming ester, amide and thioester fu… floating blood clotWebFeb 27, 2024 · In the scientific literature today, phosgene’s odor (safety classification E) has been reported to resemble newly mowed hay or grass with a threshold for human … floating blood clot is calledWebThreshold Limit Values; NIOSH Recommendations; OSHA Standards; Skin / Eye / Resp. Irritants; Other Preventive Measures; ... Phosgene CAS RN: 75-44-5 Odor ... great hoed owlWebWhen phosgene gas contacts moist or wet skin, it may cause irritation and erythema. High airborne concentrations can also cause corneal inflammation and opacification. Direct … floating blocks quilt