Search results for methacrylic acid at sigmaaldrich. Concentration range is provided to assist users in providing appropriate. It is a versatile chemical which is used as an intermediate in the manufacture of methacrylic acid esters. Additional information is available in the publication entitled oecd siar methacrylic acid cas no. November 27, 2015 the dow chemical company page of 6 material is considered moderately toxic to aquatic organisms. Reacts violently with perchloric acid, perchloric acidaniline mixtures, and nitromethane. Show this safety data sheet to the doctor in attendance.
In addition, the rate constant of propagation kp during free radical polymerization of methacrylic acid is prone to the monomer concentration. Methacrylic acid is prepared commercially by the addition of hydrocyanic acid, hcn, to acetone, with subsequent dehydration to methacrylonitrile, ch 2 cch 3cn, which then undergoes saponification. Methacrylic acid article about methacrylic acid by the free. Glacial methacrylic acid comes in the form of a clear, colourless liquid at room temperature. In addition, enough free board space should be allowed for expansion of. Silica, amorphous, fumed, crystal free no no no acrylic acid no no no cumene hydroperoxide no no no saccharin no no no 2hydroxyethyl methacrylate no no no ethylene glycol no no no cumene. Silica, amorphous, fumed, crystal free no no no acrylic acid no no no cumene hydroperoxide no no no ethylene glycol no no no 2hydroxyethyl methacrylate no no no 1acetyl2phenylhydrazine no no no cumene reasonably anticipated to be a human carcinogen. Methacrylic acid maac hydrogels can be prepared using the chemical concentrations listed in table 6. Methacrylic acid monomethyl ether of hydroquinone mehq pennsylvania right to know this product does contain the following chemicals, as indicated below, currently on the pennsylvania hazardous substance list. Reaction with hydrochloric acid may form bischloromethyl ether, an osha regulated carcinogen. Identification of the substancemixture and of the companyundertaking 1. Methacrylic acid was first obtained in the form of its ethyl ester by treating phosphorus pentachloride.
Hazardous in case of skin contact irritant, of ingestion, of inhalation lung irritant. November 27, 2015 the dow chemical company page of 6 consumer exposure to products containing dow methacrylic acid dow does not sell methacrylic acid for direct consumer use, but it is used to make products used by consumers. Assay dissolve about 1 g of methacrylic acid copolymer, previously dried and accurately weighed, in 100 ml of neutralized acetone, add 1 drop of phenolphthalein ts, and titrate with 0. Silica, amorphous, fumed, crystal free no no no acrylic acid no no no cumene hydroperoxide no no no ethylene glycol no no no 2hydroxyethyl methacrylate no no no 1acetyl2phenylhydrazine no no no. The substance is toxic to lungs, liver, eyes, eye, lens or cornea. Javasript is currently not supporteddisabled by this browser. Kinetics and modeling of the radical polymerization of acrylic acid and of methacrylic acid in aqueous solution. Group 2b no methacrylic acid no no no dlimonene no no no 12. Air sampling alone is insufficient to accurately quantitate exposure. It is used in making plastic sheets, moldings, fibers, resins, and other organic chemicals. Cool containers with water spray until well after the fire is out. Typically, methacrylic acid is used in excess and some is removed during the reaction as an azeotrope with the water formed in the reaction. Ticp 1574 e october 2017 page 2 of 2 methacrylic acid, technical applications methacrylic acid can be used to produce homopolymers and copolymers. Acrylic acid is a clear, colorless, mobile liquid with a strong, acrid odor.
Using reppe chemistry, methyl acetylene is converted to mma. For a brochure or for more information please consult basf. Identification methacrylic acid is a colorless liquid with a sharp odor. Anionic polymethacrylate polymers contain methacrylic acid functional groups, which dissociate and render the polymer soluble at the higher ph of the small intestine and colon. Since both acids have relatively high freezing points, 14 c, they must be prevented from freezing in cold conditions. If you find a lot number such as to09019to enter the lot number 09019to without. November 27, 2015 the dow chemical company page of 6 consumer exposure to products containing dow methacrylic acid dow does not. Move container from fire area if it can be done without risk. Material safety data sheet methacrylic acid msds section 1. It has a pungent odour and is soluble in water and most organic solvents.
Ticp 1655 e october 2017 page 2 of 3 methacrylic acid, glacial applications methacrylic acid can be used to produce homopolymers and copolymers. The terms of this safety data sheet sds do not create or infer any warranty. Methacrylic acid section 1 chemical product and company identification product name. Polymers which contain methacrylic acid can be used in many different applications, such as paints and varnishes, and leather textile auxiliaries. Acrylic acid hydrogels can also be formed using a similar set of crosslinker and initiator.
Methacrylic acid is used in some nail primers to help acrylic nails adhere to the nail plate. Search results for 2methacrylic acid at sigmaaldrich. Contact with dilute solutions of methacrylic acid or methacrylic acid vapor can. Data sheet for methacrylic acid before working with it. A monolithic, hydrophilic stir bar coating based upon a copolymer of methacrylic acid and divinylbenzene poly. Therefore, methacrylic acid should never be handled under an oxygen free. Undiluted methacrylic acid is a corrosive liquid that can cause permanent tissue damage upon direct contact with the body. Silica, amorphous, fumed, crystal free no no no acrylic acid no no no cumene hydroperoxide no no no saccharin no no no 2hydroxyethyl methacrylate no no no ethylene glycol no no no cumene reasonably anticipated to be a human carcinogen. Once conversion is complete, unreacted methacrylic acid is removed by vacuum distillation. The last process economics program report on methacrylic acid and methacrylic esters report 11 was issued in may 1966. Methacrylic acid is a carboxylic acid which can be used to produce methacrylic esters, methacrylamide, nsubstituted methacrylamides and methacryloyl chloride by common methods. Methacrylic acid 79414 5 10 treated fumed silica 67762907 5 10 tertbutyl perbenzoate 614459 1 5 stabilizer proprietary 1 5 saccharin 81072 1 5 exact percentage is a trade secret. This colorless liquid, the methyl ester of methacrylic acid maa, is a monomer produced on a large.
It provides general information to methacrylic acid users about the unique hazards associated with handling this chemical and measures to be followed to protect human health, equipment, and the environment. Methacrylic acid and its derivatives are used in the manufacture of important industrial polymeric products. Glycol methacrylate msds search our sds online database free. With pulsed layer polymerization sizeexclusion chromatography techniques, it was determined that there is a minor decrease for partially ionized maa while when maa is fully ionized, kp increases with. Uses advised against food, drug, pesticide or biocidal product use. Methacrylic acid is an alpha,betaunsaturated monocarboxylic acid that is acrylic acid in which the hydrogen at position 2 is substituted by a methyl group. Methacrylic acid maa products mitsubishi chemical corporation. Glacial methacrylic acid glacial methacrylic acid supplier. Your new online msds binder is a place for you to store the material safety data sheets you need to deploy. This is due to its lower cost and relative ease of preparation by the oxidation of inexpensive propylene, and to a great extent to the global acceptance of superabsorbent acrylic acidbased polymers in diapers and feminine hygiene products. Wear appropriate protective eyeglasses or chemical safety goggles as described by oshas eye and face protection regulations in 29 cfr 1910. Methacrylic acid hazards include its corrosivity, combustibility, and its potential. Msds of the product methacrylic acid, glacial for eastern and western europe, but with excellent opportunities for export outside of europe.
Methacrylic acid copolymer is a fully polymerized copolymer of methacrylic acid and an acrylic or methacrylic ester. The assay and viscosity requirements differ for the several types, as set forth in the accompanying table. Solution of an acrylic polymer in methacrylic acid estersacrylic acid esters. Reacts violently with perchloric acid, perchloric acid aniline mixtures, and nitromethane.
Therefore, methacrylic acid should never be handled under an oxygenfree. It also improves the adhesion of polymers used in paints and adhesives. If you have any questions or need more detailed information, you should contact your methacrylic acid supplier. The current report updates the design of the acetone. Chemical product and company identification product name. Methacrylic acid hazards include its corrosivity, combustibility, and its potential for unanticipated, uncontrolled, and rapid polymerization. Water may be ineffective but may be used for cooling exposed containers. It can be incorporated in copolymers in order to lower the softening point and reduce the hardness. Concentration range is provided to assist users in providing appropriate protections. Methyl methacrylate mma is an organic compound with the formula ch2cch3cooch3. Kinetics and modeling of the radical polymerization of. Methacrylic acid is a reactive chemical that must be stored and handled with care. Reason for citation methacrylic acid is on the hazardous substance list. Methacrylic acid was first obtained in the form of its ethyl ester by treating phosphorus pentachloride with oxyisobutyric ester a synonym for betahydroxybutyric acid or 3hydroxybutyric acid.
Skin contact limits designated with a y above have skin contact effect. Very high conversions are observed in this reaction, with residual alcohol levels below 1. Acrylic acid 79107 1 5 hydroxyalkyl methacrylate 27821 1 5 cumene hydroperoxide 80159 0. Methacrylic acid monomethyl ether of hydroquinone mehq section 16 additional information revision information. Methacrylic acid appears as a clear colorless liquid or lowmelting solid with a pungent odor. Methacrylic acid acgih twa 20 ppm 70 mgm3 monomethyl ether of hydroquinone mehq acgih twa 5 mgm3 only those components with exposure limits are printed in this section. Revision date 05feb2020 component casno weight % acrylic resin 9003014 glacial for eastern and western europe, but with excellent opportunities for export outside of europe. Methacrylic acid is considered to be hazardous under the occupational safety and. Methacrylic acid definition of methacrylic acid by the free.
Preparation of a polar monolithic stir bar based on methacrylic acid and divinylbenzene for the sorptive extraction of polar pharmaceuticals from complex water samples. Under these conditions, a storage stability of 1 year is expected. Polymethacrylic acid an overview sciencedirect topics. Group 2b no 1acetyl2phenylhydrazine no no no methacrylic acid no no no 12. Safety a material safety data sheet has been compiled for methacrylic acid that contains uptodate information on all questions relevant to safety.
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