Phosgene odor threshold
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 … Web10 rows · Jan 29, 2024 · Method reference. OSHA 61 (fully validated) Notes. When relative humidity at sampling site is low, ...
Phosgene odor threshold
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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 … 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 …
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 Phosgene 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…
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 … 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)
Web3.10 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
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 … canberra tram ticketsWebCheryl 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 … fishing for trout with cornWebFeb 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 … fishing forum stagesWebThreshold Limit Values; NIOSH Recommendations; OSHA Standards; Skin / Eye / Resp. Irritants; Other Preventive Measures; ... Phosgene CAS RN: 75-44-5 Odor ... canberra to yass railwayWebThe 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. fishing fort walton beachWebPhosgene 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 … fishing forums in ctWebPhosgene 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 … canberra to yass by bus