18
Apr
Methyl ethyl ketone C4H8O or CH3CH3COCH2CH3 is a colorless flammable liquid with a sharp odor. The linear dimer the topic of this article is the.
Organic Vapor Sampling Group 3 OVSG-3 5002 Organic Vapor Sampling Group 1 OVSG-1 5000 Metal Sampling Group METALSSG-1 5003 Peracetic Acid PV2321 Organic Vapor Sampling Group 2 OVSG-2 5001.
2 butanone hazards. Synonyms Trade Names Ethyl methyl ketone MEK Methyl acetone Methyl ethyl ketone CAS No. DOT ID Guide. Akinobu Matsuyama Teruyuki Nikaido Yoshinori Kobayashi Production of optically active 13-butanediol by asymmetric assimilation or reduction of 4-hydroxy-2.
3-Methyl-2-butanone is employed predominantly as an intermediate for the production of pharmaceuticals herbicides and dye precursors. It is also used in the synthesis of rubber auxiliaries and for the selective extraction of rare earth elements. Product Name 2-Butanone Cat No.
AC149670251 CAS-No 78-93-3 Synonyms Methyl ethyl ketone. Ethyl methyl ketone Recommended Use Laboratory chemicals. Uses advised against Food drug pesticide or biocidal product use.
Details of the supplier of the safety data sheet Emergency Telephone Number. Methyl ethyl ketone C4H8O or CH3CH3COCH2CH3 is a colorless flammable liquid with a sharp odor. It can be harmful to the eyes skin and if inhaled or swallowed.
Workers may be harmed from exposure to methyl ethyl ketone. The level of exposure depends upon the dose duration and work being done. Methyl ethyl ketone peroxide MEKP is an organic peroxide with the formula CH 3C 2 H 5CO 2 H 2 O 2MEKP is a colorless oil.
It is widely used in vulcanization crosslinking of polymers. It is derived from the reaction of methyl ethyl ketone and hydrogen peroxideSeveral products result from this reaction including a cyclic dimer. The linear dimer the topic of this article is the.
Butanone also known as methyl ethyl ketone MEK is an organic compound with the formula CH 3 COCH 2 CH 3This colourless liquid ketone has a sharp sweet odor reminiscent of acetoneIt is produced industrially on a large scale but occurs in nature only in trace amounts. It is partially soluble in water and is commonly used as an industrial solvent. It is an isomer of another solvent.
An example of an organic peroxide is methyl ethyl ketone peroxide also known as 2-butanone peroxide ethyl methyl ketone peroxide or MEKP. It is used as a polymerization catalyst in the manufacture of polyester and acrylic resins and as a hardening agent for fiberglass reinforced plastics. It is a colourless liquid with a characteristic odour.
It is considered a combustible liquid and. 2-Butanone MEK OSHA 1004. Butyl acetate n iso sec tert isomers OSHA 1009.
AT Aldehyde Monitor 571. Hexone MIBK OSHA 1004. Special Remarks on Explosion Hazards.
Secondary alcohols are readily autooxidized in contact with oxygen or air forming ketones and hydrogen peroxide. It can become potentially explosive. It reacts with oxygen to form dangerously unstable peroxides which can concentrate and explode during distillation or evaporation.
The presence of 2-butanone increases the reaction rate for peroxide. Properties mp bp densities if applicable etc and any hazards of course. Set hot plate to 225 - 5 C.
Add acetaminophen 500 mg K 2CO 3 665 mg and 2-butanone aka. Methyl ethyl ketone 7 mL to a 25 mL RBF. Please note that the K 2CO 3 will not dissolve.
Add ethyl iodide 064 mL via syringe followed by the football-shaped magnetic stir bar. Safety Data Sheet METHYL ETHYL KETONE MEK PAGE 3 of 10 5 FIRE-FIGHTING MEASURES GENERAL FIRE HAZARDSFlammable liquid and vapor AUTOIGNITION TEMP. 959F 515C ASTM E659 EXTINGUISHING MEDIA.
Determined by surrounding material. In case of fire use water fog dry. Specific Hazards Arising from the Chemical.
Vapour may travel a considerable distance to a source of ignition and flash back to a leak or open container. Vapour may accumulate in hazardous amounts in low-lying areas especially inside confined spaces resulting in a toxicity hazard. Closed containers may rupture violently when heated releasing contents.
In a fire the following hazardous. Special Remarks on Explosion Hazards. Secondary alcohols are readily autooxidized in contact with oxygen or air forming ketones and hydrogen peroxide.
It can become potentially explosive. It reacts with oxygen to form dangerously unstable peroxides which can concentrate and explode during distillation or evaporation. The presence of 2-butanone increases the reaction rate for peroxide.
What is this information. The Hazard fields include special hazard alerts air and water reactions fire hazards health. Contact with 2-butanone increases the rate of peroxide formation.
An explosive reaction occurs when it is heated with aluminum isopropoxide crotonaldehyde. Forms explosive mixtures with trinitromethane and hydrogen peroxide. Reacts with barium perchlorate to.
In extreme cases the vapors may accumulate in dwellings to levels that may pose near-term safety hazards such as explosion. Typically however vapor concentrations are present at low levels to which long-term exposure may pose increased risk for chronic health effects. Estimation of indoor air concentrations using the.
Hazards identification. 1-hydroxyethyl methyl ketone. Methyl acetyl carbinol.
PubMedReduction of the Off-Flavor Volatile Generated by the Yogurt Starter Culture Including Streptococcus thermophilus and Lactobacillus delbrueckii subsp. The SEMS Search allows you to retrieve Superfund data from the Superfund Enterprise Management System SEMS database in Envirofacts. Specify a facility by using any combination of facility name and geographic location.
Methyl Ethyl Ketone MEK 2-Butanone 21 176 18 10 25 200 Methyl Propyl Ketone 2-Pentanone 45 216 15 82 29 200 VMP Naphtha 76 o Naphtha 20-45 212-320 09 60 42 - Octane 56 257 10 65 39 500 Propyl Acetate 58 215 20 80 35 200 Isopropyl Acetate 40 192 18 80 35 250 Isopropyl Alcohol IPA 2-Propanol 53 180 20 12 21 400. IUPAC命名法では 2-ブタノン 2-butanone と表される消防法による危険物第四類 引火性液体第一石油類非水溶性液体指定数量200L に指定されている引火点 9 沸点 795 発火点 404 無色の液体で特異な匂いがある. Chemical Hazards and Toxic Substances.
OSHA Occupational Chemical Database includes sampling information Sampling and Analysis. Search Methods Most Recent Methods. Organic Vapor Sampling Group 3 OVSG-3 5002 Organic Vapor Sampling Group 1 OVSG-1 5000 Metal Sampling Group METALSSG-1 5003 Peracetic Acid PV2321 Organic Vapor Sampling Group 2 OVSG-2 5001.
Besides lactic acid acetaldehyde diacetyl acetoin acetone and 2-butanone contribute most to the typical aroma and flavor of yogurt. Hazard communication training required by sections 5191 or 5194 shall address these health hazards and symptoms along with the measures taken by the employer to evaluate and control exposures that can include medical evaluations exposure monitoring ventilation systems work practices and personal protective equipment. The communication system required by section 3203 shall inform employees.
RELAFEN nabumetone is a naphthylalkanone designated chemically as 4-6-methoxy-2-naphthalenyl-2-butanone. It has the following structure. It has the following structure.
Nabumetone is a white to off-white crystalline substance with a molecular weight of 2283.