Methyl Ethyl Ketone
CAS：78-93-3
Cyclohexanone
CAS：108-94-1
Acetone
CAS：67-64-1
Acetic Acid
CAS：64-19-7
Ethyl Acetate
CAS：141-78-6
Toluene
CAS：108-88-3
Benzene
CAS：71-43-2
Ethanol
CAS：64-17-5
Methanol
CAS：67-56-1
difference between methyl ethyl ketone and methyl isobutyl ketone in Belgium
Methyl Isobutyl Ketone - Welcome to the NIST WebBook
Formula: C 6 H 12 O. Molecular weight: 100.1589. IUPAC Standard InChI: InChI=1S/C6H12O/c1-5 (2)4-6 (3)7/h5H,4H2,1-3H3. Copy Sheet of paper on top of another sheet. IUPAC Standard InChIKey: NTIZESTWPVYFNL-UHFFFAOYSA-N. Copy Sheet of paper on top of another sheet.
Methyl isobutyl ketone and methyl ethyl ketone in urine as biological markers of occupational exposure to these solvents …
1/3/2003· However, the blood kinetic and urinary elimination data of MIBK presented by Hjelm et al. (1990) suggest that the inter-individual variation among the workers exposed to the current TLV-TWA of 50
Methyl isobutyl ketone and methyl ethyl ketone in urine as biological markers of occupational exposure to these solvents …
1/3/2003· However, the blood kinetic and urinary elimination data of MIBK presented by Hjelm et al. (1990) suggest that the inter-individual variation among the workers exposed to the current TLV-TWA of 50
Methyl isobutyl ketone and methyl ethyl ketone in urine as …
Abstract Objective. To examine whether unmetabolized methyl isobutyl ketone in urine is a useful marker of low-level occupational exposure to this ketone solvent, as is the case for …
It has been found that anhydrous mixtures of methyl ethyl ketone with methyl isobutyl ketone can be used as very effective dewaxing solvents. Such a mixture containing 70% methyl isobutyl …
The toxicology of methyl ethyl ketone SpringerLink
Methyl ethyl ketone (MEK; Other synonyms: 2-butanone; methyl acetone; ethyl methyl ketone; butanone) is a volatile, water-soluble, colorless liquid with a characteristic odor reseling that of acetone. Its odor threshold has been reported to be in the range of approximately 0.25 to 0.025 ppm (Krasavage et al. 1982, OHMTADS 1985).
Acetone, Methyl Ethyl Ketone (MEK) and Methyl Isobutyl Ketone
Published May 1972. This report is concerned with the technology and costs of various processes for the manufacture of acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone (MIBK). The processes evaluated in this report are dehydrogenation of isopropanol and direct oxidation of propylene for the production of acetone; sulfation and
Mutagenicity studies on ketone solvents: methyl ethyl ketone, methyl isobutyl ketone, and isophorone - PubMed
Mutagenicity studies on ketone solvents: methyl ethyl ketone, methyl isobutyl ketone, and isophorone Mutat Res . 1988 Oct;206(2):149-61. doi: 10.1016/0165-1218(88)90154-1.
METHYL ISOBUTYL KETONE - Some Chemicals Present in …
Methyl isobutyl ketone is also considered to be an excellent solvent for resins used in the production of surface coating and is widely used in rubber chemicals for the production of tyres. ( HSDB, 2008 ). Methyl isobutyl ketone is also used as a solvent in paint and lacquers ( IPCS, 1990 ). 1.3. Occurrence and exposure 1.3.1. Natural occurrence
Acetone, MEK, MIBK, DIBK, and DAA - Shell plc
Methyl Ethyl Ketone Methyl Isobutyl Ketone DIBK Di-isobutyl Ketone DAA Diacetone Alcohol Molecular weight 58 72 100 142 116 specific gravity (apparent) 15.6/15.6˚c (60/60˚f) 0.7967 0.8105 0.8050 0.8124 0.9431 20/20˚c (68/68˚f) 0.7925 0.8065 0.8014 0.8095
Methyl isobutyl ketone and methyl ethyl ketone in urine as …
Approximately 0.12% of MIBK absorbed in the lungs will be excreted into urine, whereas the yield for MEK was somewhat higher (0.19%). Conclusion. MIBK in urine is a good marker of exposure to MIBK, as in the case of MEK in urine for MEK exposure. Download to read the full article text Author information Authors and Affiliations
The use of mixtures of methyl ethyl ketone and methyl isobutyl ketone …
For the same dewaxed oil pour point, dry mixtures of methyl ethyl ketone and methyl isobutyl ketone (and also as described previously methyl n-propyl ketone) do not require as low filtering temperatures yet give higher filter rates than the widely employed mixtures of methyl ethyl ketone and aromatics.
Safety Assessment of MIBK (Methyl Isobutyl Ketone)1, 2004
1/1/2004· MIBK (Methyl Isobutyl Ketone) is an aliphatic ketone that functions as both a denaturant and solvent in cosmetic products. Current use in cosmetic products is very limited, but MIBK is reported to be used in one nail correction pen (volume = 3 ml) at a concentration of 21 %.
Acetone, MEK, MIBK, DIBK, and DAA - Shell plc
Methyl Ethyl Ketone Methyl Isobutyl Ketone DIBK Di-isobutyl Ketone DAA Diacetone Alcohol Molecular weight 58 72 100 142 116 specific gravity (apparent) 15.6/15.6˚c (60/60˚f) 0.7967 0.8105 0.8050 0.8124 0.9431 20/20˚c (68/68˚f) 0.7925 0.8065 0.8014 0.8095
Effects of acetone, methyl ethyl ketone and methyl isobutyl ketone …
Methyl ethyl ketone is a volatile, water-soluble, colorless liquid with a characteristic odor reseling that of acetone; it is miscible with acetone, alcohol, ether, and benzene. 4 Origin of the stimulation of food intake by oral administration of enkephalinase inhibitors in sheep. P. Rivière, L. Buéno Medicine, Biology Life sciences 1987 9
Difference Between Ethyl and Methyl
28/11/2011· What is the difference between Ethyl and Methyl? • Methyl has only one carbon and three hydrogens, whereas ethyl has two carbons and five hydrogens. Therefore, the molar …
Methyl Ethyl Ketone - Production, Properties, Appliions and …
Methyl Ethyl Ketone (MEK), also known as butanone, is an organic chemical with the formula CH3C (O)CH2CH3. This dialkyl ketone is a colourless liquid that has a sharp and sweet odour. It occurs in nature in a small amount. However, due to its various appliions, the industrialists produce this chemical on a large scale.
METHYL ISOBUTYL KETONE - World Health Organization
methyl isobutyl ketone was produced by three companies in the USA ( HSDB, 2008 ). According to IUCLID (2000), nine companies in Europe produced methyl isobutyl ketone in 2002: three in France, two in the Netherlands, and one each in Belgium, Germany1.
Acetone, methyl ethyl ketone, ethyl acetate, acetonitrile and other polar aprotic solvents are strong inducers of aneuploidy in Saccharomyces
Acetone, methyl ethyl ketone, ethyl acetate, acetonitrile and other polar aprotic solvents are strong inducers of aneuploidy in Saccharomyces cerevisiae Mutat Res . 1985 May;149(3):339-51. doi: 10.1016/0027-5107(85)90150-2.
The Differences Between MEK and Acetone
18/11/2018· MEK and Acetone are both utilized as solvents in coatings, lacquer, varnish, and paint. Methyl Ethyl Ketone is very useful in paint, rust, varnish, lacquer, and grease removers. …
(PDF) Simultaneous analysis of acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone …
1/1/2020· Abstract and Figures Acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone (MIBK) are ketones most widely used in industry and whose analysis is often used for the
Is Methyl Isobutyl Ketone Safe? - Caniry
29/5/2022· Developmental effects, including decreased fetal weight and fetal malformations, have been reported in mice and rats exposed to methyl ethyl ketone via inhalation and ingestion. EPA has classified methyl ethyl ketone as a Group D, not classifiable as to human carcinogenicity. Is methyl isobutyl ketone a ketone body? Methyl isobutyl ketone is a ketone. Is
The toxicology of methyl ethyl ketone SpringerLink
Methyl ethyl ketone (MEK; Other synonyms: 2-butanone; methyl acetone; ethyl methyl ketone; butanone) is a volatile, water-soluble, colorless liquid with a characteristic odor reseling that of acetone. Its odor threshold has been reported to be in the range of approximately 0.25 to 0.025 ppm (Krasavage et al. 1982, OHMTADS 1985).
Methyl isobutyl ketone and methyl ethyl ketone in urine as …
Time-weighted average (TWA; 8-h) concentration of vapors of several solvents in air, including methyl isobutyl ketone (MIBK-A) and methyl ethyl ketone (MEK-A) was monitored by diffusive …
This report is concerned with the technology and costs of various processes for the manufacture of acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone (MIBK). The processes …
METHYL ISOBUTYL KETONE - Some Chemicals Present in …
Methyl isobutyl ketone is also considered to be an excellent solvent for resins used in the production of surface coating and is widely used in rubber chemicals for the production of tyres. ( HSDB, 2008 ). Methyl isobutyl ketone is also used as a solvent in paint and lacquers ( IPCS, 1990 ). 1.3. Occurrence and exposure 1.3.1. Natural occurrence
ContaminantDB: Methyl isobutyl ketone
19/5/2016· Methyl isobutyl ketone (CHEM004136) belongs to the class of organic compounds known as ketones. These are organic compounds in which a carbonyl group is bonded to two carbon atoms R2C=O (neither R may be a hydrogen atom). Ketones that have one or more alpha-hydrogen atoms undergo keto-enol tautomerization, the tautomer being an enol.
Effects of acetone, methyl ethyl ketone and methyl isobutyl …
Abstract. Acetone, methyl ethyl ketone (MEK) and methyl isobutyl ketone (MIBK) were evaluated for effects on a delayed match-to-sample discrimination task in the juvenile baboon. The …
Pharmacological and metabolic interactions between ethanol and …
Pharmacological and metabolic interactions between ethanol and methyl n-butyl ketone, methyl isobutyl ketone, methyl ethyl ketone, or acetone in mice Fundam Appl Toxicol . 1989 …
Methyl isobutyl ketone C6H12O - PubChem
Methyl isobutyl ketone is used as a solvent for gums, resins, paints, varnishes, lacquers, and nitrocellulose.Acute (short-term) exposure to methyl isobutyl ketone may irritate the eyes and mucous meranes, and cause weakness, headache, nausea, lightheadedness, vomiting, dizziness, incoordination, narcosis in humans.
Methyl isobutyl ketone/doi/abs/10.1002/cjce.5450430614?
1/1/2020· Acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone (MIBK) are ketones most widely used in industry and whose analysis is often used for the determination of …
(PDF) Simultaneous analysis of acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone …
1/1/2020· Abstract and Figures Acetone, methyl ethyl ketone (MEK), and methyl isobutyl ketone (MIBK) are ketones most widely used in industry and whose analysis is often used for the
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