Phenol odor threshold

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August undefined, 2024

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 www.ncbi.nlm.nih.gov

4. CHEMICAL AND PHYSICAL INFORMATION

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 … WebFormula: C6H5OH Vapor Pressure: DW & 6ROLG Molecular Weight: 94.12 Evaporation Rate (BuAc=1): >1 Appearance: Cloudy (milky) Colorless Liquid Vapor Density (Air=1): 3.24 (Phenol) Odor: Moderate Acrid aromatic Sweet Specific Gravity: 1.058 Odor Threshold: 0.08 ppm, 0.23 mg/m3 Solubility in Water: Soluble Safety Data Sheet footy on telly

Phenol — A Common Air Pollutant - Chemical Insights

WebCumene has a sharp, penetrating, gasoline-like odor, with an odor threshold of 0.088 parts per million (ppm). (1,2,4,9) The vapor pressure for cumene is 4.5 mm Hg at 25 °C, and its log octanol/water partition coefficient (log K ow) is 3.66. (1) Conversion Factors (only for the gaseous form): To convert concentrations in air (at 25 °C) from ... 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 … WebThe threshold concentration of human skin damage from phenol is 1.5%. It can cause permanent eye injury, blindness and scarring. Recommendations are that laboratories … elin hilderbrand books rated

Effect of Functional Group and Carbon Chain Length on the Odor ...

Taste and odour threshold concentrations of potential …

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 … WebPH PHENOL RED INDICATOR 4. FIRST AID MEASURES ... Odor Slight, Medicinal Page 3 / 9 pH Published Date: 27-Feb-2012 8 ... Chemical Name CAS-No Weight % SARA 313 - Threshold Values % 15. REGULATORY INFORMATION Sodium hydroxide 1310-73-2 <0.05 None Known Dicarboxylic acid ( <0.05 ) Present footy outlineWebMar 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 … foot yougoslavie

"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 … " - Phenol odor threshold

Phenol odor threshold

Phenol (C H OH) CAS 108-95-2; UN 1671 (solid), 2312 …

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, … WebChlorophenols impart unpleasant taste and odor to drinking water at concentrations as low as 5 mg/m² They are formed when the chlorine disinfection process is applied to phenol-containing waters. What is the unpleasant taste and odor threshold in units of (a) mg/L, (b) ug/L, (c) ppmm, (d) ppbm? 2.

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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 … WebOdor Thresholds Compound Name Synonyms 3 CO Type of £ Source Code Threshold mg/m ppm in u Ethylene Oxide Phase I Rejected/Unreviewed Sources 1,2-Epoxyethane ... Phenol …

Webas 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 … WebFeb 1, 1996 · Taste and odour threshold concentrations in water were determined for 59 potential drinking water contaminants, including pesticides, phenol, chlorinated phenolic …

Web(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. 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,

WebOct 13, 2014 · Product Name Phenol Red Cat No. : AC151430000; AC151430050; AC151430250; AC151431000 CAS No 143-74-8 Synonyms Phenolsulfonephthalein Recommended Use Laboratory chemicals. ... Odor Odorless Odor Threshold No information available pH No information available Melting Point/Range > 300 °C / 572 °F

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. footy on telly tonightWebThe odor threshold of phenol is about 100 times lower than the OSHA PEL; therefore, it provides adequate warning of hazardous concentrations. Phenol vapor is heavier than air. Children exposed to the same levels of phenol vapor as adults may receive larger doses because they have greater lung surface area:body foot youngWebPhenol 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 … elin hilderbrand - the sixth wedding