Phenol odor threshold

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WebThreshold odor concentration, detection 0.14–0.26 ppm, 0.9 - 1.7 mg/m. 3. Threshold odor concentration 0.002–11.6 mg/ m. 3. ... Incompatible with phenol; beta-naphthol; resorcinol or thymol in trituration; potassium permanganate; chromium trioxide; pyrogallol, butylchloral hydrate, camphor, WebPhenol (C 6 H 6 O or C 6 H 5 OH) is a colorless to light-pink, crystalline solid with a sweet, acrid odor. Exposure to phenol may cause irritation to the skin, eyes, nose, throat, and …

Phenol - CDC

WebApr 9, 2024 · Odor threshold in water for 3- (trifluoromethyl)phenol was determined as 13 ng/L (45 °C). Introduction Nowadays, thousands of industrial organic chemicals are daily used worldwide and can potentially contaminate the environment if they are released or unintentionally dumped or spilled in water. WebJan 20, 2015 · Odor problems in drinking water, particularly swampy/septic odors, are normally triggered by a set of organic compounds with odor threshold concentrations (OTC) ranging from ng L −1 to μg L −1.With such a low level of OTC, it has long been a challenge to effectively determine the odor-causing compounds in highly complex samples. brother sewing bobbins sa156

Phenol Toxic Substances Toxic Substance Portal ATSDR

WebJul 1, 2008 · The odor detection thresholds of carvacrol (5-isopropyl-2-methyl-phenol), thymol (2-isopropyl-5methyl- phenol) and p-cymene 2,3-diol (2,3-dihydroxy-4isopropyl- 1-methyl-benzene) in... WebFeb 1, 1996 · Taste and odour threshold concentrations in water were determined for 59 potential drinking water contaminants, including pesticides, phenol, chlorinated phenolic … WebMixed cresols have a medicinal odor; the odor thresold for m-cresol is 0.00028 parts per million (ppm). (1,9) The chemical formula for cresol is C ... Odor as an aid to chemical safety: Odor thresholds compared with threshold limit values and volatilities for 214 industrial chemicals in air and water dilution. Journal of Applied Toxicology, 3(6 ... events happening in corpus christi texas

Phenol NIOSH CDC

WebAim of the study was to compare results of odor threshold test using different numbers of dilution steps, separately for butanol and phenyl ethyl alcohol (PEA). Methods: A total of … WebMay 29, 2015 · TCA levels below the 2 ng/L difference threshold can still impact a wine, usually described as "muted" aromas and flavors. TBA is virtually as powerful as TCA, while TeCA is approximately three times less potent. PCA is unlikely to reach its odor threshold of 4,000 ng/L in wine, but is still a useful indicator of origins of contamination. brother sewing and quilting machine xr9550Webas the respective threshold values clearly depend on the arrangement of the alkyl substituents at the phenol ring. In particular, phenols with monoalkyl groups in the meta … events happening in miami today

"WebPHENOL 191 9. REFERENCES. ACGIH. 2001. Documentation of the threshold limit values and biological exposure indices. Phenol. ... Amoore JE, Hautala E. 1983. Odor as an aid to chemical safety: Odor thresholds compared with threshold limit values and volatilities for 214 industrial chemicals in air and water dilution. J Appl Toxicol 3:272-290. " - Phenol odor threshold

Phenol odor threshold

WebPhenol/Chloroform/Isoamyl alcohol, stab., water sat. sol. Revision Date 30-Jun-2024 9. Physical and chemical properties Physical State Liquid Appearance Yellow Odor No information available Odor Threshold No information available pH 3.0-8.2 Melting Point/Range No data available Boiling Point/Range No information available Flash Point … WebPhenolis a colorless or white, crystalline (sand-like) solid that is usually sold or used in solution. It is used to produce phenolic resins for the construction, automotive and …

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WebThe threshold concentration of human skin damage from phenol is 1.5%. It can cause permanent eye injury, blindness and scarring. ... Treatment should be continued until there is no detectable odor of phenol. If PEG is not available, a gycerine solution can be used instead. If neither of these are available, irrigation with a source of high ... WebPhenol Phosgene Phosphine 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 ...

WebOdorant Identiﬁed as odor-active compound in (selection) Odor threshold (ranges)a Phenol Mushroomsb 31c–10 000d 3-Methylphenol Espressoe, winef, and rubberg 31h–800i 4-Methylphenol Beefj, ... aOdor threshold in lg/L water; the lowest and the highest values found in literature are listed. bLizarraga-Guerra et al. (1997). cYoung et al. (1996). WebPhenol is both a manufactured chemical and a natural substance. It is a colorless-to-white solid when pure. The commercial product is a liquid. Phenol has a distinct odor that is sickeningly sweet and tarry. You can taste and smell phenol at levels lower than those that are associated with harmful effects. Phenol evaporates more slowly than water, and a …

WebIt is used in making drugs, dyes, plastics, food additives and insecticides. FLAMMABILITY ODOR THRESHOLD = 0.48 to 1.0 ppm The range of accepted odor threshold values is quite broad. Caution should be used in relying on odor alone as a warning of potentially hazardous exposures. Reason for Citation Webturn pink to red in air. When pure, phenol has a sweet, tar-like odor that is readily detected at low concentrations (0.05 ppm in air). Phenol is soluble in alcohol, glycerol, petroleum, and, …

WebMar 27, 2012 · Odor detection thresholds (ODTs) are used for assessing outdoor and indoor air quality. They are obtained experimentally by olfactometry and psychophysical methods, and large compilations are available in the literature. A non-linear regression equation was fitted to describe the ODT variability of 114 aliphatic compounds based on the alkyl chain …

WebJan 1, 1994 · Phenol (of 98% minimum pu- ODOR THRESHOLD VALUES 285 rity) was obtained from Wako Pure Chemical Industries Ltd., and a standard solution was prepared by dissolving 1 g of phenol in 100 ml of ethanol. Styrene, minimum assay 95% was stabilized with 0.003-0.004% of 4-ter/-butylcatechol (chemical grade). ra-Xylene (of 98% minimum … brother sewing center peoria ilWebThe odor threshold for phenol is 0.04 parts per million (ppm), with a strong very sweet odor reported. (1,7) Phenol is very soluble in water and is quite flammable. (2) The chemical … brother sewing and embroidery machine pricesWebThreshold Limit Values; NIOSH Recommendations; OSHA Standards; Skin / Eye / Resp. Irritants; Other Preventive Measures; Toxicity Summary; Range of Toxicity; Laboratory; … brother sewing and embroidery se 400 machineswww.ncbi.nlm.nih.gov events happening in monterey caWebMar 25, 2011 · To start with, the odor threshold of phenol was determined to be 48 ng/L air. Substitution of the phenol ring with a methyl group in position 2 decreased the threshold … events happening in memphis tnWebPhenol - ToxFAQs™ CAS # 108-95-2. This fact sheet answers the most frequently asked health questions (FAQs) about phenol. For more information, call the CDC ... Phenol has a … events happening in mobile alabamaWeb(5) Physical Properties • Phenol is a colorless or white solid when it is pure; however, it is usually sold and used as a liquid. (1) • The odor threshold for phenol is 0.04 parts per million (ppm), with a strong very sweet odor reported. (1,7) • Phenol is very soluble in water and is quite flammable. events happening in newcastle