Phosgene odor threshold

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August undefined, 2024

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 … 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)

Phosgene - ScienceDirect

WebThe odor threshold for phosgene is about 0.5 to 1 ppm. This level will vary with the individual and is usually higher following exposure because of olfactory fatigue. The odor … WebOdor No information available Odor Threshold No information available pH No information available Melting Point/Range No data available Boiling Point/Range 73 °C / 163.4 °F @ 760 mmHg Flash Point 62 °C / 143.6 °F Evaporation Rate No information available Flammability (solid,gas) Not applicable Flammability or explosive limits Upper No data ... small flower trees for front of house

Phosgene Toxicity: Practice Essentials, Background, …

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. WebOdor Threshold: Different authors have reported varying odor thresholds for MC. Kirk-Othmer and Sax both reported 25 to 50 ppm; Summer and May both reported 150 ppm; Spector reports 320 ppm. Patty, however, states that since one can become adapted to the odor, MC should not be considered to have adequate warning properties. Eye Irritation … 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 … small flower tip

Phosgene - an overview ScienceDirect Topics

WebPhosgene is transported as a liquid. during World War I followed the explosion of liquid filled shells with subsequent rapid vaporization and formation of a white cloud due to its slight solubility in an aqueous environment. It spontaneously converted to a … WebThe odor threshold for phosgene is about 0.5 to 1 ppm. This level will vary with the individual and is usually higher following exposure because of olfactory fatigue. Mild: No adverse health effects or mild upper airway irritation; effects may improve when the victim is removed from exposure. More severe adverse health small flower vase ideasWebOdor; Odor Threshold; Other Properties; Solubilities; Vapor Density; Vapor Pressure; Viscosity; Hazmat. ... Phosgene CAS RN: 75-44-5 Threshold Limit Values. 8 hr Time … smallflower umbrella sedge

"Weblow the odor recognition threshold (odor threshold, 0.4 to 1.5 ppm).10 Moreover, olfactory fatigue occurs promptly and phosgene odor can be masked by many other smells. Phos-gene vapor irritates the eyes and mucous membranes, but only at con-centrations too high to provide ade-quate warning (irritation threshold, 3 ppm). Phosgene is only ... " - Phosgene odor threshold

Phosgene odor threshold

WebOdor 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 … 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

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http://www.cameochemicals.noaa.gov/chemical/4228 WebWhen phosgene gas contacts moist or wet skin, it may cause irritation and erythema. High airborne concentrations can also cause corneal inflammation and opacification. Direct …

WebThreshold Limit Values; NIOSH Recommendations; OSHA Standards; Skin / Eye / Resp. Irritants; Other Preventive Measures; ... Phosgene CAS RN: 75-44-5 Odor ... WebPhosgene is colorless, fuming liquid below 47°F (8.2°C) and a colorless, nonflammable gas above 47°F with a suffocating odor like new mown hay. The odor threshold for phosgene …

WebDescription: Phosgene (CG) is a colorless gas above boiling point. Fog-like when concentrated. CG is a colorless, fuming liquid below boiling point. May have ... inhalation warning properties due to olfactory fatigue; in addition, th e odor threshold for CG is 0.4 ppm, 4 times greater than OSHA PEL, providing insufficient 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 …

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 …

WebDescription: colorless gas with a sweet odor at room temperature; colorless liquid when contained under pressure or cooled. Warning properties: inadequate (odor threshold of … small flower vases in bulk for weddingshttp://www.cameochemicals.noaa.gov/chemical/4228 small flower tree pngWebApr 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 … songs from king richard movieWebOdor 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 songs from kids showsWeb3.10 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 songs from lady and the tramp moviePhosgene 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… songs from late 40s early 50sWebJan 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 … small flower tubes