Phenol odor threshold
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 … 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, …
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, 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
www.ncbi.nlm.nih.gov WebImmediately Dangerous To Life or Health (IDLH) Values Table of IDLH Values Phenol Print May 1994 Immediately Dangerous to Life or Health Concentrations (IDLH) CAS number: …
WebOdor-recognition threshold of phenol is 0.05 p.p.m., far below levels of toxic effects. Upon skin contact, skin becomes white with a subsequent red blister-like appearance and an accompanying burning sensation. Solid or liquid phenol is rapidly absorbed by the skin and results in very severe tissue damage. WebMar 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 …
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.
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 ... thibault postsWebMar 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 … thibault pradierWebas 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 … thibault poultry massachusettsWebThe 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 … thibault poultryWeb(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. sage recipe bookWebMay 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. sage recherche fournisseurWebApr 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. sage recorded webinars