Phosphine odor threshold

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August undefined, 2024

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. 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 ...

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http://www.calgas.co/media/msds/phosphine_in_nitrogen.pdf 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 ... flappie highway to hell

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WebPhosphine is a colorless, flammable, and explosive gas at ambient temperature that has the odor of garlic or decaying fish. Small amounts occur naturally from the break down of organic matter. It is slightly soluble in water. Phosphine is used in semiconductor and plastics industries, in the production of a flame retardant, and as a pesticide in stored grain. 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 … 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. can smoking too much cause headaches

Phosphine (PH CAS 7803-51-2; UN 2199 Also: Aluminum …

NRT Quick Reference Guide: Phosphine; Aluminum, …

WebPhosphine 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 … 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. flapper ww2WebMar 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 … can smoking vape cause weight gain

"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 ... " - Phosphine odor threshold

Phosphine odor threshold

The Odor Threshold of Phosphine - tandfonline.com

WebPhosphine 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 warning of dangerous concentrations. It is shipped as liquefied compressed gas. Several solids (phosphides) release phosphine gas. WebUp to 7.5 ppm: (APF = 25) Any supplied-air respirator operated in a continuous-flow mode. Up to 15 ppm: (APF = 50) Any air-purifying, full-facepiece respirator (gas mask) with a chin-style, front- or back-mounted canister providing protection against the compound of concern. (APF = 50) Any self-contained breathing apparatus with a full facepiece.

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WebPure 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 … WebAcetylenemay have an Ether-like or garlic-like odor. It is used for welding, cutting, brazing and soldering, and in making other chemicals. Acetyleneis shipped under pressure …

WebApr 10, 2024 · Phosphine gas is a lung-damaging agent. Read the article below to learn about phosphine gas toxicity. New Same-day primary and urgent care Consult Doctor; Physician Directory; More . Ask a Doctor Online. Chat with a Doctor. Phone a Doctor. Video Consultation. Medical Second Opinion NEW. Physician Directory. Help. Articles. 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. …

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 … WebOdor; Odor Threshold; Other Properties; pH; Solubilities; Stability / Shelf Life; Vapor Density; Vapor Pressure; Hazmat. DOT Emergency Guidelines; Protective Distance; NFPA Hazard …

WebPhosphine oxide, triphenyl- LD50 = 685 mg/kg ( Rat ) Not listed Not listed Toxicologically Synergistic Products No information available Delayed and immediate effects as well as …

WebOdor; Odor Threshold; Other Properties; pH; Solubilities; Stability / Shelf Life; Vapor Density; Vapor Pressure; Hazmat. DOT Emergency Guidelines; Protective Distance; NFPA Hazard … can smoking tea get you highWebBoiling 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. … can smoking weed affect spermWebToxic exposures to phosphine have been documented as a result of grain fumigation, attempted suicide, and ferrosilicon decomposition. Potential symptoms of overexposure … can smoking weed affect your kidneysWebPhosphine has a fish- or garlic-like odor, but may not provide adequate warning of hazardous concentrations. When phosphine burns it produces a ... OSHA 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. ... can smoking prevent pregnancyWebJan 1, 1994 · Unfortunately, odor threshold measurements depend largely on the purity of the odorants; for example, the reported odor threshold concentrations of hydrogen sulfide vary from 0.65 to 1400 g/m3 (Sullivan, 1969). However, there are few reports on the determination of threshold values of a wide variety of odorants in an odor test system. can smoking weed affect pregnancyWebphosphine (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 … can smoking marijuana cause throat cancerWebJan 29, 2024 · ACGIH: Documentation of the Threshold Limit Values (TLVs) and Biological Exposure Indices (BEIs) - Phosphine. See annual publication for most recent information. … flappie de clown