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Methyl Ethyl Ketone

Methyl Ethyl Ketone

CAS:78-93-3

Cyclohexanone

Cyclohexanone

CAS:108-94-1

Acetone

Acetone

CAS:67-64-1

Acetic Acid

Acetic Acid

CAS:64-19-7

Ethyl Acetate

Ethyl Acetate

CAS:141-78-6

Toluene

Toluene

CAS:108-88-3

Benzene

Benzene

CAS:71-43-2

Ethanol

Ethanol

CAS:64-17-5

Methanol

Methanol

CAS:67-56-1

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methyl ethyl ketone environmental effects Algeria

Mutagenicity studies on ketone solvents: methyl ethyl ketone, methyl isobutyl ketone…

1/10/1988· Acetone, methyl ethyl ketone, ethyl acetate, acetonitrile and other polar aprotic solvents are strong inducers of aneuploidy in Saccharomyces cerevisiae Mutation Res. , 149 ( 1985 ) , pp. 339 - 351 Article Download PDF View Record in Scopus Google Scholar

METHYL ETHYL KETONE - US EPA

METHYL ETHYL KETONE (CAS No. 78-93-3) In Support of Summary Information on the Integrated Risk Information System (IRIS) Septeer 2003 U.S. Environmental Protection Agency Washington, DC DISCLAIMER This document has been reviewed in

Methyl ethyl ketone - DCCEEW - NPI

Breathing methyl ethyl ketone for short periods of time (i.e. painting in a poorly ventilated area) can affect the nervous system. The effects may be headaches, dizziness, fatigue, narcosis (acts like a narcotic), nausea, vomiting, and cause you to pass out. Methyl ethyl ketone vapour irritates the eyes, nose, and throat.

Updated Health Effects Assessment For Methyl Ethyl Ketone

The environmental concentration correlated significantly with the alveolar con- centration of methyl ethyl ketone, which 1n turn correlated significantly with blood levels.

Degradation characteristics of methyl ethyl ketone by Pseudomonas sp. KT-3 in liquid culture and biofilter - PubMed

With ketone pollution forming an ever-growing problem, it is important to identify a ketone-degrading microorganism and establish its effect. Here, a methyl ethyl ketone (MEK)-degrading bacterium, Pseudomonas sp. KT-3, was isolated and its MEK degradation characteristics were examined in liquid cult …

Methyl Ethyl Ketone US EPA

30/3/2022· On June 30, 2005, EPA deleted methyl ethyl ketone (MEK) from the list of chemical subject to reporting requirements under Section 313 of the Emergency Planning and Community Right-to-Know Act (EPCRA) and Section 6607 of the Pollution Prevention Act (PPA).

Methyl Ethyl Ketone Ketones Supplier & Distributor Arpadis

Methyl Ethyl Ketone CAS: 78-93-3 Methyl Ethyl Ketone also known as MEK, butanone, 2-butanone, butan-2-one, oxobutane, or methyl acetone is a clear volatile liquid that is soluble in water and has a mild, acetone odour and has the molecular formula C 4 H 8 O, CAS: 78-93-3. It has a flash point of -9°C and a specific gravity of 0.81.

Updated Health Effects Assessment For Methyl Ethyl Ketone

REGULATORY STANDARDS AND CRITERIA ACGIH (1986a) set a TLV-TWA of 200 ppm (590 mg/m3) and a STEL of 300 ppm (885 mg/m3) for methyl ethyl ketone; the basis for these standards Is the minimization of eye and nose Irritation, and systemic toxic effects are not expected to develop at this exposure level (ACGIH, 19865).

What is Methyl Ethyl Ketone (MEK) and What is it Used For? - Maratek Environmental

World MEK consumption is forecast to grow at an average annual rate of less than 2% during 2018-2023. Along with these factors the prices of MEK are strongly influenced by the price of crude oil, as well as the balance in supply and demand. This can lead to extremely volatile prices especially in times of unexpected global events and outages.

Methyl ethyl ketone exposure in industrial workers. Uptake and kinetics

Exposure to methyl ethyl ketone (MEK) was studied in workers occupationally exposed in industrial workplaces. Alveolar concentrations of MEK were compared with environmental exposure and with blood MEK concentrations. Urinary excretion of MEK and its metabolite, acetylmethylcarbinol , were compared with environmental exposure.

Methyl Ethyl Ketone : OSH Answers - Canadian Centre for …

20/11/2022· What are the potential health effects of methyl ethyl ketone? Main Routes of Exposure: Inhalation. Skin contact. Eye contact. Inhalation: Can irritate the nose and throat. At high concentrations: can harm the nervous system. Symptoms may include headache, nausea, dizziness, drowsiness and confusion. A severe exposure can cause unconsciousness.

Methyl Ethyl Ketone - OEHHA

Methyl Ethyl Ketone Methyl Ethyl Ketone CAS Nuer 78-93-3 Synonym Butanone; 2-butanone; 3-butanone; Caswell No. 569; Meetco; MEK; Methyl acetone; AI3-07540; 2-oxobutane; EPA Pesticide Code: 044103

Algeria''s Butanone Market Report 2022 - Prices, Size, Forecast, …

14/10/2021· Algeria - Butanone (Methyl Ethyl Ketone) - Market Analysis, Forecast, Size, Trends and Insights Update: COVID-19 Impact $499 $2 390 Basic Edition (Single Report) $1995 $3 990 Professional Edition (Single Report) $3400 / year $7 990 Unlimited Annual $800

Updated Health Effects Assessment For Methyl Ethyl Ketone

REGULATORY STANDARDS AND CRITERIA ACGIH (1986a) set a TLV-TWA of 200 ppm (590 mg/m3) and a STEL of 300 ppm (885 mg/m3) for methyl ethyl ketone; the basis for these standards Is the minimization of eye and nose Irritation, and systemic toxic effects are not expected to develop at this exposure level (ACGIH, 19865).

Algeria''s Butanone Market Report 2022 - Prices, Size, Forecast, …

14/10/2021· Algeria - Butanone (Methyl Ethyl Ketone) - Market Analysis, Forecast, Size, Trends and Insights Update: COVID-19 Impact $499 $2 390 Basic Edition (Single Report) $1995 $3 990 Professional Edition (Single Report) $3400 / year $7 990 Unlimited Annual $800

Methyl ethyl ketone Request PDF - ResearchGate

1/1/2022· Abstract Methyl ethyl ketone (MEK) is a highly versatile compound with diverse industrial appliions. Currently, the demand for this compound is increasing due to its appliion in various

Methyl Ethyl Ketone - Treatment Overview

Following inhalation, methyl ethyl ketone has a biphasic elimination curve with an initial half-life of 30 minutes and a terminal half-life of 81 minutes. J) DIFFERENTIAL DIAGNOSIS 1) Other substances that may mimic ketone exposures include other irritant chemicals, other hydrocarbons, or neurotoxic substances.

Methyl Ketone - an overview ScienceDirect Topics

1. Cyclohexyl methyl ketone gives cyclohexyl acetate, bp 74–77°/23 mm. 2. Cyclohexanone gives ɛ -caprolactone, bp 102–104°/7 mm, which may polymerize on standing. The lactone may be converted easily to the corresponding ɛ-hydroxyhydrazide by heating on a steam bath with a slight excess of 100% hydrazine hydrate.

METHYL ETHYL KETONE CAMEO Chemicals NOAA

Colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20°F. Vapors heavier than air. Does not react with water or many common materials. Stable in normal transportation. Irritates the nose, eyes, and throat. Coustion may produce toxic materials. Density 6.7 lb / gal.

Effects of short duration exposures to acetone and methyl ethyl ketone

In this research, 137 volunteers were recruited and tested for neurobehavioral performance changes and biochemical indiors during and after a short-duration (4-h) exposure to either acetone at 250 ppm, methyl ethyl ketone (MEK) at 200 ppm, acetone at 125 ppm with MEK at 100 ppm, or a chemical-placebo.

Health and environmental-effects profile for methyl ethyl ketone …

An Acceptable Daily Intake (ADI), defined as the amount of a chemical to which humans can be exposed on a daily basis over an extended period of time (usually a lifetime) without suffering a deleterious effect, for methyl ethyl ketone is 3.2 mg/day for oral exposure. The Reportable Quantity (RQ) value of 1, 10, 100, 1000, or 5000 pounds is used

What is Methyl Ethyl Ketone (MEK) and What is it Used For? - Maratek Environmental

World MEK consumption is forecast to grow at an average annual rate of less than 2% during 2018-2023. Along with these factors the prices of MEK are strongly influenced by the price of crude oil, as well as the balance in supply and demand. This can lead to extremely volatile prices especially in times of unexpected global events and outages.

Methyl Ethyl Ketone C4H8O - PubChem

Methyl Ethyl Ketone C4H8O CID 6569 - structure, chemical names, physical and chemical properties, classifiion, patents, literature, biological activities, safety/hazards/toxicity information, supplier lists, and more. National Institutes of Health PubChem

Methyl Ethyl Ketone - Production, Properties, Appliions and …

Methyl Ethyl Ketone can also react with aldehydes to give cyclic compounds, ketals, and higher ketones depending upon the conditions. It also condenses with organic oxides and glycols to yield derivatives of dioxolane. Moreover, the reaction of MEK with aqueous ammonia and hydrogen yields sec-butylamine. Image will be uploaded soon

Methyl ethyl ketone / published under the joint sponsorship of the United Nations Environment …

The report concludes that methyl ethyl ketone does not pose a significant threat to the environment except in cases of major spills or discharges. The remaining sections concentrate on evidence, from animal studies, in vitro test systems, and observations in humans, of the toxic effects of this chemical.

Methyl Ethyl Ketone - Exposure Summary - National Institutes of …

Methyl ethyl ketone occurs naturally as a metabolic byproduct of plants and animals and is released into the atmosphere by volcanoes and forest fires. If released to air, a vapor pressure of 90.6 mm Hg at 25 deg C indies methyl ethyl ketone will exist solely as a …

METHYL ETHYL KETONE CAMEO Chemicals NOAA

Colorless fairly volatile liquid with a pleasant pungent odor. Flash point 20°F. Vapors heavier than air. Does not react with water or many common materials. Stable in normal transportation. Irritates the nose, eyes, and throat. Coustion may produce toxic materials. Density 6.7 lb / gal.

Health and environmental-effects profile for methyl ethyl ketone …

the health and environmental effects profile for methyl ethyl ketone was prepared by the office of health and environmental assessment, environmental criteria and assessment office, cincinnati, oh for the office of solid waste and emergency response to support listings of hazardous constituents of a wide range of waste streams under section 3001 …

Methyl Ethyl Ketone - an overview ScienceDirect Topics

Wipe with acetone or methyl ethyl ketone. 2. Immerse in a chromic acid solution ( Table 8.3) for 10–20 seconds at room temperature (20°C–30°C). Dissolve the potassium dichromate in clear tap water; then add the sulfuric acid in increments of about 200 g, stirring after each addition. Table 8.3. Composition of Etching Solution for Acetal Homopolymer

Effects of acetone on methyl ethyl ketone peroxide runaway …

30/5/2008· The Δ H also decreased from 320.9 to 284.7 J/g, 312.6 to 202.7 J/g, and 198.7 to 129.4 J/g under the heating rates of 2, 4, and 10 °C/min, respectively. In terms of the third peak of each condition, the Δ H also was reduced while MEKPO was coined with acetone, as indied in …

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