Decomposition HEALTH HAZARDS Severe Irritant EXPOSURE LIMITS The ACGIH Ceiling STEL is 1.5 mg/m3 (0.2 ppm) for Methyl Ethyl Ketone Peroxide. Limited information is available on the chronic (long-term) effects of methyl ethyl ketone in humans. ethyl acetate. Reacts violently with strong oxidants and inorganic acids causing fire and explosion hazard. Ethyl Acetate; Acetone; Tetrahydrofuran (Oxolane) Caustic Soda (Sodium Hydroxide) Methyl Ethyl Ketone (MEK) Within an SDS, you will find what kind of dangers are associated with the chemical and appropriate personal protective equipment necessary to stay safe when handling the chemical. It has a flash point of approximately 21 degrees F and its vapors are heavier than air, causing them to settle near the floor when a container of MEK is open to the atmosphere. USP <800> HazRx® USP Reference Standards Mobile App USP-NF Mobile App. Current OSHA PEL: 100 ppm (465 mg/m 3) TWA. PDF METHYL ETHYL KETONE MEK - CAMEO Chemicals Home / Reference Standards / General Chapters / Residual Solvents / Methyl Ethyl Ketone (1.2 mL/ampule; 3 ampules) In Stock. Chemical stability : Stable under normal conditions. What are the potential health effects of methyl ethyl ketone? The 'Substance identity' section is calculated from substance identification information from all ECHA databases. From: A case of methyl ethyl ketone peroxide poisoning and a ... Deacon et al, EmbryoFetoxicity of Inhaled Methyl Ethyl Ketone in Rats, Toxicology and Applied Pharmacology, 59:620 (1981). §339. Explosive decomposition occurs at 110\u00b0C. Methyl Ethyl Ketone - Toxicity Summary Product Name: Methyl Ethyl Ketone (MEK) Reference No: WIL0010910 Issued: 2021-02-23 Version: 2.1 Page 1 of 8 Hazardous, Dangerous Goods 1. 2-Butanone Ethyl methyl ketone MEK Keep people away. Uses advised against Not for food, drug, pesticide or biocidal product use Details of the supplier of the safety data . STABILITY AND REACTIVITY Reactivity : No dangerous reaction known under conditions of normal use. Information on methyl ethyl ketone (MEK) (also known as 2-butanone), for use in responding to chemical incidents. Unlike Acetone, MEK forms an azeotrope with water, which means that methyl ethyl ketone and water mix together to form a constant boiling . PDF Safety Data Sheet It is a strong oxidizing agent and a corrosive. MEK or Methyl Ethyl Ketone is stronger than Acetone, because it has a slower evaporation rate and boils at a higher temperature. Methyl ethyl ketone peroxide C8H16O4 - Detectors ... Inhalation Move casualty to fresh air and keep at rest. Class 3 Flammable Liquids shall not be loaded in the same vehicle or packed in the same freight container with Classes 1 (Explosives), 2.1 (Flammable Gases where flammable liquids and Carriage in BULK is not permitted. The solvent has quite a strong distinct smell, a little bit like acetone. acetone . Proper Shipping name is ETHYL METHYL KETONE (METHYL ETHYL KETONE). Methyl Ethyl Ketone (MEK) is a clear and colorless liquid. Prevent further leakage or spillage if safe to do so. The level of exposure depends upon the dose, duration, and work being done. Skin Contact Wash off immediately with plenty of water for at least 15 minutes. Safety Data Sheet (METHYL ETHYL KETONE (MEK)) Methyl Ethyl Ketone - Reactivities / Incompatibilities Methyl Ethyl Ketone Dangers Precautions must be taken at all times when handling chemicals, particularly when of a volatile or hazardous nature. 메틸 에틸 케톤 - 위키백과, 우리 모두의 백과사전 Store locked up. Safety Data Sheet Methyl ethyl ketone Version 1.3 Revision Date: 10/20/2015 MSDS Number: 100000004346 5 / 17 Methyl ethyl ketone tions Prevent further leakage or spillage if safe to do so. The Hazardous Substances List. f Inhaling Methyl Ethyl Ketone Peroxide can irritate the nose, throat and lungs. It is partially soluble in water, and is commonly used as an industrial solvent. Safety Data Sheet Methyl Ethyl Ketone Version 1.00 Revision Date 27.05.2019 Print Date 28.05.2019 100000000637 7/15 leakage or spillage if safe to do so. Stay upwind and use water spray to ``knock down'' vapor. Keep containers tightly closed in a cool, well-ventilated place. This page contains information on the chemical Ethyl methyl ketone including: 49 synonyms/identifiers; U.S. Code of Federal Regulations Title 49 Section 172 shipping regulations and 2 proper shipping names; USDOT 2008 Emergency Response Guidebook initial response information for 2 related materials. (a) Purpose. MEK - Sydney Solvents Substance Information - ECHA Flash point under 80°F. Paint booth filters are often dangerous waste because of the residue from paints left behind, such as: Toxic metals, like cadmium, chromium, and lead that may end up in your filters. Methyl Ethyl Ketone Revision Date 17-January-2018 Irritation Irritating to eyes Sensitization No information available Carcinogenicity The table below indicates whether each agency has listed any ingredient as a carcinogen. METHYL ETHYL KETONE TECH Pictogram Signal word Danger Hazard statements H225 Highly flammable liquid and vapour. Methyl (n-amyl) ketone. Inhalation: Can irritate the nose and throat. COMPOSITION INFORMATION CHEMICAL ENTITY CAS NO PROPORTION Methyl ethyl ketone 78-93-3 100 % 100% 4. See SECTION 14: TRANSPORT INFORMATION for packing group information. Ingestion is associated with corrosive burns leading to stricture formation, inhalational pneumonitis, acidosis, liver failure and renal failure. It is listed as a hazardous chemical by the United States Environmental Protection Agency but the neuropsychological and neuropathic effects from exposure are reported variously. Main Routes of Exposure: Inhalation. Effective Date May 2013 Material Safety Data Sheet 1/8 Print Date May 2013 MSDS_AU 1. Most important symptoms and effects Breathing difficulties. It gives off a sweet, pungent odor like that of acetone. ROUTES OF EXPOSURE Hazardous Classification: 3.1B, 6.1E (oral), 6.1E (aspiration), 6.3B, 6.4A, 6.9B Signal Word: Danger if shown in brackets following the main PSN. Sensitive to sunlight. METHYL ETHYL KETONE PEROXIDE is a strong oxidizing agent. No smoking. Ketones with 4 or fewer carbon atoms. This study applied a continuous adsorption-desorption apparatus for evaluating the operating capacities . Adsorption of methyl ethyl ketone (MEK) with AC is a highly exothermic reaction that potentially causes fires in AC beds. Methyl Ethyl Ketone (2-Butanone) 78-93-3 Hazard Summary Methyl ethyl ketone is used as a solvent. 1989 OSHA PEL: Same as current PEL. Remove contaminated clothing. Acute (short-term) inhalation exposure to methyl ethyl ketone in humans results in irritation to the eyes, nose, and throat. It occurs in nature in a small amount. Methyl ethyl ketone 78-93-3 100% For further ingredients information, please refer to the full SDS Section 2: Hazards Identification Hazardous Nature: This product is classified as hazardous under HSNO criteria. MEK (methyl ethyl ketone) Paint booth filters. FIRST-AID MEASURES Eyes Rinse with plenty of water for at least 15 minutes and seek medical attention. However, due to its various applications, the industrialists produce this chemical on a large scale. UN No Substance Dangerous Goods Class Subsidiary Risk(s) Packing Group TOPS. Symptoms of overexposure may be headache, dizziness, tiredness, NAME and description. Get medical attention. Component CAS-No IARC NTP ACGIH OSHA Mexico Methyl ethyl ketone78-93-3 Not listed Not listed Not listed Not listed Not listed methyl acetate. Methyl Ethyl Ketone Version 1. H319 Causes serious eye irritation. Eye contact. * Methyl Ethyl Ketone is a FLAMMABLE LIQUID and a FIRE HAZARD. Symptoms may include headache, nausea, dizziness, drowsiness and confusion. 1338 -23-4 It is used as a solvent and in making plastics, textiles, and paints. Suitable products for Methyl ethyl ketone peroxide C 8 H 16 O 4. Moreover, 2,3-butanediol (BDO) is produced in the desorbed solvent, causing yellowing and odor of the recovered solvent. Methyl ethyl ketone LD 50 Oral (rat) : 2737 mg/kg Inhalation : Methyl ethyl ketone peroxide LC 50 Inhalation (rat) : 17 mg/l (4 hours exposure) Dimethyl phthalate LC 50 Inhalation : 9300 mg/m 3 (6.5 hours exposure) Methyl ethyl ketone LC 50 Inhalation (rat) : 23.5 mg/m 3 Methyl Ethyl Ketone 78-93-3 02 Water 7732-18-5 01 SECTION 3 - HAZARD IDENTIFICATION OF THE PREPARATION PHYSICAL HAZARDS Organic Peroxide. This product is classed as UN1193, Dangerous Goods Class 3 Flammable liquids. Flammable liquids Category 2 . Methyl Ethyl Ketone CAS RN: 78-93-3 Toxicity Summary. • Shut off the source of the spill if possible and safe to do so. 2-뷰탄온 (2-Butanone), 뷰탄온 (Butanone) 혹은 메틸 에틸 케톤 (Methyl Ethyl Ketone, MEK)은 CH₃C(O)CH₂CH₃의 구조로 이루어진 유기화합물이다. REASON FOR CITATION * Methyl Ethyl Ketone is on the Hazardous Substance List because it is regulated by OSHA and cited by . Get medical attention. It can be harmful to the eyes, skin, and if inhaled or swallowed. f Methyl Ethyl Ketone Peroxide is REACTIVE and a DANGEROUS EXPLOSION HAZARD. UN No. Methyl ethyl ketone (MEK) Revision Date 02/25/2021 Version 2.0 Print Date 02/25/2021 110000000947 Page 8 of 10 SAFETY DATA SHEET IATA UN 1193, Methyl Ethyl Ketone, 3, II When shipped in quantities greater than 5,000 lbs, RQ must be added to the shipping description. Hazardous Substances Information and Training. Methyl ethyl ketone or butanone is an isomer of THF, which means that it has a similar chemical composition but a slightly different structure. Methyl ethyl ketone is used as a solvent. FIRST AID MEASURES If poisoning occurs, contact a doctor or Poisons Information Centre (Phone Australia 131 126, New Zealand 0800 764 766). Methyl ethyl ketone. Methyl Ethyl Ketone (MEK) also known as butanone is a clear, colourless organic liquid compound. Chemical dangers Reacts violently with strong oxidants and inorganic acids. In 1991 a mouse study found significant fetotoxic effects in MEKexposed offspring examined immediately after birth. These differences are why MEK can be a stronger cleaning agent than acetone. IDENTIFICATION Methyl Ethyl Ketone is a colorless liquid with a fragrant, mint-like odor. Dangerous according to Australian Dangerous Goods (ADG) Code, IATA and IMDG/IMSBC criteria. SAFETY DATA SHEET Creation Date 13-April-2009 Revision Date 17-January-2018 Revision Number 6 1. residue and can be dangerous. At high concentrations: can harm the nervous system. MEK is soluble in pola This list contains the ADN Dangerous Goods List, as implemented by the European Union's Directive 2008/68/EC. Xylene / Methyl Ethyl Ketone / Methyl Isobutyl Ketone / Methyl Isopropyl Ketone / N-Decane / N-Nonane / N-Propyl Benzene / Nitrogen / Undecane Section 6. If breathing is difficult, give oxygen. If breathing is difficult, give oxygen. Methyl ethyl ketone, better known as MEK, is among the most widely produced chemicals in the United States. Flammable, irritating vapor is produced. EXPOSURE CONTROLS / PERSONAL PROTECTION Methyl ethyl ketone peroxide CAS -No. Some primary PPE you may want to look into include: Possibility of hazardous reac-tions : Vapours may form explosive mixture with air. 78-93-3 methyl ethyl ketone 90 - 100% pennsylvania right to know: 78-93-3 methyl ethyl ketone 90 - 100% new jersey right to know: 78-93-3 methyl ethyl ketone 90 - 100% california prop 65: this product does not contain any chemicals known to state of california to cause cancer, birth defects, or any other reproductive harm. Methyl Ethyl Ketone 78-93-3 > 99 SECTION 4 FIRST AID MEASURES Description of necessary first aid measures Inhalation: Remove victim from exposure if safe to do so. This generates fire and explosion hazard. Obtain medical attention. Skin contact. Methyl ethyl ketone: health effects and incident management. Identification Product Name Methyl Ethyl Ketone Cat No. Ethyl acetate - TWA 400. Halogenated organic compounds (HOCs) that designate as dangerous. If not breathing, give artificial respiration. May be ignited by heat, sparks or flame and undergoes self-accelerating decomposition. METHYL ETHYL KETONE: ICSC: 0179 (April 2017) Ethyl methyl ketone 2-Butanone MEK Methyl acetone: CAS #: 78-93-3: UN #: 1193 EC Number: 201-159- ACUTE HAZARDS PREVENTION . Attacks some plastics. Acute and chronic toxicity can occur as an occupational hazard. The substance identifiers displayed in the InfoCard are the best available substance name, EC number, CAS number and/or the molecular and structural formulas. 1193. isopropyl formate. If rapid recovery does not occur, transport to nearest medical facility for additional treatment. The substances on this list are subject to the provisions of Labor Code Sections 6360 through 6399.7 and Section 5194 in Title 8 of the . In this paper we present a case of a young patient . (METHYL ETHYL KETONE (MEK)) PAGE 4 of 10 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION OCCUPATIONAL EXPOSURE LIMITS HAZARDOUS INGREDIENT PEL TLV-TWA Methyl ethyl ketone (MEK) 200 ppm 200 ppm EXPOSURE CONTROLS: Good general ventilation (typically 10 air changes per hour) should be used. SUSMP Classification: S5. METHYL ETHYL KETONE MEK CAUTIONARY RESPONSE INFORMATION Common Synonyms Liquid Colorless Sweet odor Floats and mixes with water. Methyl ethyl ketone (C4H8O or CH3CH3COCH2CH3) is a colorless, flammable liquid with a sharp odor. Methyl Ethyl Ketone ASTM-D740 Version 1.5 Revision Date: 09/01/2019 SDS Number: 100000007531 7 / 12 Methyl Ethyl Ketone ASTM-D740 Reactivity : No dangerous reaction known under conditions of normal use. Class. Acute (short-term) inhalation exposure to methyl ethyl ketone in humans results in irritation to the eyes, nose, and throat. FIRST AID MEASURES If poisoning occurs, contact a doctor or Poisons Information Centre (Phone Australia 131 126, New Zealand 0800 764 766). It is an isomer of another solvent . Serious eye irritation Category 2/2A f Methyl Ethyl Ketone Peroxide may cause a skin allergy. propyl formate. IUPAC에서는 메틸 에틸 케톤이라는 이름을 더 이상 사용하지 않고 에틸 메틸 케톤 (Ethyl Methyl Ketone, EMK)으로 사용할 것을 권장하나, 대한민국 정부 및 민간에서는 여전히 . f Methyl Ethyl Ketone Peroxide is a STRONG OXIDIZER Motor is nonsparking for use in applications where electricity is unavailable or dangerous. Keep away from direct sunlight. IDENTIFICATION OF THE SUBSTANCE/PREPARATION AND COMPANY/UNDERTAKING Material Name : Methyl Ethyl Ketone Recommended Uses : Use as a solvent only in industrial manufacturing processes. IDENTIFICATION AND USE: Methyl ethyl ketone (MEK) is a colorless liquid with acetone-like odor. Uses advised against No Information available Details of the supplier of the safety data sheet 2. Butanone, also known as methyl ethyl ketone (MEK), is an organic compound with the formula CH 3 C(O)CH 2 CH 3.This colourless liquid ketone has a sharp, sweet odor reminiscent of acetone.It is produced industrially on a large scale, but occurs in nature only in trace amounts. Get medical attention. July 28 th, 2018 FIBERLAY METHYL ETHYL KETONE PEROXIDE Page 5 Store apart from other dangerous and incompatible substances. First-aid measures Eye Contact Rinse immediately with plenty of water, also under the eyelids, for at least 15 minutes. Skin Contact: Compendium of Chemical Hazards: Methyl Ethyl Ketone Page 2 of 14 Incident Management Hazard Identification Standard (UK) dangerous goods emergency action codes UN 1193 Ethyl methyl ketone (methyl ethyl ketone) EAC •2YE Use alcohol-resistant foam but, if not available, fine water spray can be used. METHYL ETHYL KETONE Safety Data Sheet Date of Issue: 20 April 2020 Emergency Number: CHEMCALL: 1800 127 406 Date of Review: April 2025 Page 4 of 7 • Keep the public away from the area. If inhaled : Consult a physician after significant exposure. Chemical stability : Stable under normal conditions. This Directive establishes rules for the safe transport of dangerous goods between EU countries by road (ADR) and inland waterways (ADN), and the regulations concerning the international carriage of dangerous goods by rail (RID). methyl formate. Its odor is familiar to anyone who has been around cleaning fluids, some paint strippers . 8. Synonyms Methyl ethyl ketone; MEK Recommended Use Laboratory chemicals. ADG Classification: Class 3: Flammable liquids. Get medical attention. Methyl Ethyl Ketone (MEK), also known as butanone, is an organic chemical with the formula CH3C (O)CH2CH3. Methyl nonyl ketone was determined to be relatively immobile in sodium azide-sterilized sandy loam, clay loam, sand, and silt loam soils and does not hydrolyze. Ready to ship. It is used as an organic solvent, in the surface coating industry, in the manufacture of smokeless powder, and in colorless synthetic resins. 0 P age 4 of 8 Transport of Dangerous Goods by Road & Rail" and/or the "New Zealand NZS5433: Transport of Dangerous Goods on Land" and must be stored in accordance with the relevant regulations. Butanone. Accidental release measures Environmental precautions Immediately contact emergency personnel. Heptane - STEL 500 Isopropanol (Isopropyl alcohol) - STEL 500 Methanol - STEL 250 Methyl ethyl ketone (MEK) - STEL 300 Methylene chloride - STEL 500 Propanol (Propyl alcohol) - STEL 250 Tetrahydrofuran - STEL 250 Note that the lowest figures are for the more dangerous solvents. Some substance identifiers may have been claimed . These pumps have a motor that is rated for IEC Zone 1, Groups IIB and IIA; and IEC Zone 21, Groups IIIC, IIIB, and IIIA hazardous locations with flammable gases and vapors, so they can be used with liquids such as acetone, ethanol, methyl ethyl ketone (MEK), xylene, and mineral spirits. UN Number: 1193, ETHYL METHYL KETONE (METHYL ETHYL KETONE) GHS Signal word: DANGER . Quick navigation. H336 May cause drowsiness or dizziness. Product Name: METHYL ETHYL KETONE Is s u ed: 2 01 6-1 1 -0 8 V er sion : 1. FIRST AID MEASURES General advice : Move out of dangerous area. Methyl Ethyl Ketone is classified as Dangerous Goods according to the Australian Code for the Transport of Dangerous Goods by Road and Rail. Precautionary statements P210 Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. Methyl Ethyl Ketone Revision Date 17-Jan-2018 Ingestion Do not induce vomiting. Methyl ethyl ketone Version 1.0 Revision Date: 08/18/2014 MSDS Number: 100000004346 3 / 17 Methyl ethyl ketone SECTION 4. Storage conditions of THF must also be highly controlled, as they can accumulate even more dangerous peroxide compounds. Use spark-proof tools and explosion-proof equipment. Incompatibilities Amines, ammonia, bases, isocyanates, oxidizing materials * * * Section 8 - Exposure Controls / Personal Protection * * * Component Exposure Limits Methyl ethyl ketone 78-93-3 Do not leave the victim unattended. methyl ethyl ketone (butanone) methyl isopropyl ketone (3-methyl butanone) Sulfonic Acids and the Ammonium, Sodium, and Potassium Salts of theses acids Sydney Solvents is a methyl ethyl ketone supplier. This dialkyl ketone is a colourless liquid that has a sharp and sweet odour. INTRODUCTION 1.1 Methyl ethyl ketone has the same UN Number of UN 1193 as the substance of MATERIAL AND SUPPLY COMPANY IDENTIFICATION Product name: Methyl Ethyl Ketone (MEK) Synonyms Product Code MEK 2-Butanone Ethyl Methyl Ketone Recommended use: General purpose solvent. CAS number :78-93-3 Substance/mixture CAS number/other identifiers:Substance Any concentration shown as a range is to protect confidentiality or is due to batch variation. May 1994 Immediately Dangerous to Life or Health Concentrations (IDLH) CAS number: 110-43-. Reactivities / Incompatibilities. Methyl ethyl ketone (MEK) Revision Date 02/25/2021 Version 2.0 Print Date 02/25/2021 110000000947 Page 8 of 10 SAFETY DATA SHEET IATA UN 1193, Methyl Ethyl Ketone, 3, II When shipped in quantities greater than 5,000 lbs, RQ must be added to the shipping description. Store in a well-ventilated place. Hazard(s) identification Classification This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Label Elements Signal Word Danger MEK is highly volatile with a flashpoint of - 4ºC and a boiling point 78ºC. Stop leak if without risk. NIOSH REL: 100 ppm (465 mg/m 3) TWA. COMPOSITION INFORMATION CHEMICAL ENTITY CAS NO PROPORTION Methyl ethyl ketone 78-93-3 100 % 100% 4. P261 Avoid breathing vapour/spray. DANGEROUS GOOD CLASSIFICATION Dangerous Goods Class: 3 3. ethyl formate. : M208-1, M208-20, M208-4 CAS-No 78-93-3 Synonyms 2-Butanone; MEK; Ethyl methyl ketone Recommended Use Laboratory chemicals. for the Safe Transport of Dangerous Goods by Air (Doc 9284) for incorporation in the 2007-2008 Edition METHYL ETHYL KETONE AND ETHYL METHYL KETONE (Presented by H. Okayama) 1. Formula: . Schwetz et al, Developmental Toxicity of Inhaled Methyl Ethyl Ketone in Swiss Mice, 16:742 (1991).
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