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Phosphine odor threshold

WebPhosphine is a colorless gas with a disagreeable odor of fish or garlic, when used as a pesticide. ... Phosphine is very toxic by inhalation at extremely low concentrations. Phosphine is typically transported as a liquefied compressed gas, but also is produced by the reaction of aluminum, magnesium, or zinc ... Threshold for severe effects ... WebOdor; Odor Threshold; Other Properties; pH; Solubilities; Stability / Shelf Life; Vapor Density; Vapor Pressure; Hazmat. DOT Emergency Guidelines; Protective Distance; NFPA Hazard …

The Odor Threshold of Phosphine: Journal of the Air …

WebOct 22, 2024 · Phosphine, the simplest phosphorus hydride, is a colorless and extremely toxic gas. Some people think it smells like rotting fish; it reminds others of the odor of garlic. In any case, pure phosphine is actually odorless; an impurity, diphosphane (P 2 H 4 ), is responsible for its foul scent. WebPhosphine Pyridine Styrene (inhibited) Styrene (uninhibited) Sulfur dichloride Sulfur dioxide Toluene (from coke) Toluene (from petroleum) Tolylene diisocyanate Trichloroethylene a Other than chemical name Odor Threshold o .21 1 .0 100. o o. 21 21 .4 o .47 o. 047 O .021 o. 00021 46 .8 1. o 4. 68 o. 047 O. 0021 o .047 .001 o. 21 21. 4 100. o o ... highway info nz https://primechaletsolutions.com

Phosphine: Lung Damaging Agent NIOSH CDC

Webphosphine (PH3), also called hydrogen phosphide, a colourless, flammable, extremely toxic gas with a disagreeable garliclike odour. Phosphine is formed by the action of a strong base or hot water on white phosphorus or by the reaction of water with calcium phosphide (Ca3P2). Phosphine is structurally similar to ammonia (NH3), but phosphine is a much … Web(4) a No significant toxic effects were observed following chronic oral exposure to phosphine in rats . (1,3,4) a The Reference Concentration (RfC) for phosphine is 0.0003 milligrams per cubic meter (mg/m ] based on decreased body weight in mice. Web3.9 Chronic Toxicity: Currently not available 3.10 Vapor (Gas) Irritant Characteristics: In the presence of moisture, it generates phosphine gas, a severe pulmonary irritant. 3.11 Liquid or Solid Characteristics: Currently not available 3.12 Odor Threshold: Not pertinent 3.13 IDLH Value: Not listed. 3.14 OSHA PEL-TWA: Not listed. highway information number

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Category:APPENDIX A ODOR THRESHOLDS, HEALTH LIMITS, AND …

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Phosphine odor threshold

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WebJan 1, 1994 · Unfortunately, odor threshold measurements depend largely on the purity of the odorants; for example, the reported odor threshold concentrations of hydrogen sulfide …

Phosphine odor threshold

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WebPure phosphine is odorless, but technical grade samples have a highly unpleasant odor like rotting fish, due to the presence of substituted phosphine and diphosphane ( P2H4 ). With traces of P2H4 present, PH3 is spontaneously flammable in air ( pyrophoric ), burning with a luminous flame. WebOSHA PEL of 0.3 ppm is within the range of reported odor thresholds. Phosphine is heavier than air and may cause asphyxiation in enclosed, poorly ventilated, or low-lying areas. …

WebBoiling point -126°F; freezing point -209°F. Very toxic by inhalation at extremely low concentrations. Prolonged heating may cause containers to rupture violently and rocket. … WebMar 13, 2012 · In the literature for odor threshold, values of phosphine are given which vary between 3 ppm 1,2 and 0.02 ppm. 3 According to another paper phosphine is odorless even in concentrations up to 200 ppm. 4 Since phosphine prepared from metal phosphides is used as a fumigant for foods, feeds, and processed food products, we carried out new …

WebPure phosphine is odorless, but technical grade samples have a highly unpleasant odor like rotting fish, due to the presence of substituted phosphine and diphosphane ( P2H4 ). With … WebPhosphine CAS RN: 7803-51-2 Odor Threshold. 0.03 ppm . Clinical Toxicology 5th ed. Air: 0.51 uL/L; Water: 0.0002 mg/L; Odor Safety Class: D; D= 10-50% of attentive persons can detect TLV concn in the air. J Appl Toxicol 3 ...

Webphosphine and cause the odor, is un-known at present. Possible causes for the intensive odor are higher phosphines or, more probably, organic phosphine derivatives such as alkyl …

WebOdor No information available Odor Threshold No information available pH No information available Melting Point/Range 154 - 158 °C / 309.2 - 316.4 °F ... Phosphine oxide, triphenyl-791-28-6 Listed Not applicableNot applicableNot applicable Component CAS NoSeveso III Directive (2012/18/EC) - small swatch watchWebOdor Thresholds, Health Limits, and Effects Screening Levels (Source: Siegell,6 ACGIH,7 and TNRCC8) Compound Odor Threshold6 ppm Health Limits* OSHA PELs ... Comments on Odor TWA STEL:::g/m3 ppb A-7 Phosphine 0.3 1 4.2 3 Phosphorus oxychloride 0.1 - 6.3 1 Phosphorus trichloride 0.5 0.5 11 2 Piperidine 36 10 small swarming bugsWebPure phosphine is odorless at concentrations up to 200 ppm (IPCS 1988); however, technical-grade phosphine contains impurities (up to 5% higher phosphines and substituted phosphines) that may be responsible for a … small swatchWebSep 28, 2011 · Phosphine is a colorless gas with a disagreeable, garlic-like odor. Early studies reported that laboratory animals could tolerate phosphine in four-hour-daily exposures of 5 ppm for two months, but fatalities were observed from seven similar exposures at 10 ppm (Muller 1940/Ex. 1-919). In 1975, Waritz and Brown (Ex. 1-451) … small swarming insectsWebTable 1. Odor thresholds in air (ppm volume). Chemical Acetaldehyde Acetic acid Acetone Acrolein Acrylonitrile Ally' chloride Amine, dimethyl Amine, monomethyl Amine, trimethyl … highway information systemsWebMar 13, 2012 · In the literature for odor threshold, values of phosphine are given which vary between 3 ppm 1,2 and 0.02 ppm. 3 According to another paper phosphine is odorless … highway informatiqueWebPhosphine has an odor of garlic or decaying fish but is odorless when pure. The level at which humans detect the odor of phosphine (odor threshold) does not provide sufficient … highway informatique yverdon