ChemicalBook >?? ???? >?? 2-?????????
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- -40 °C
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- bp 48-49°
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- nD25 1.443. d20 1.1044
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- 49hPa at 20℃
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- n20D 1.4459
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- LogP
- 0.24 at 25℃ and pH7
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| ??? ?? | Xi | ||
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| ?? ???? ?? | 36/37/38 | ||
| ????? | 23-24/25-26 | ||
| OEB | B | ||
| OEL | TWA: 2 ppm (8 mg/m3), STEL: 4 ppm (16 mg/m3) | ||
| ?? ?? ??? | 137-05-3(Hazardous Substances Data) | ||
| ?? | guinea pig,LD50,skin,> 10959mg/kg (10959mg/kg),"Documentation of the Threshold Limit Values and Biological Exposure Indices," 5th ed., Cincinnati, OH, American Conference of Governmental Industrial Hygienists, Inc., 1986Vol. 6, Pg. 965, 1991. | ||
| ???? ?? | KE-09117 |
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| ?? ?: | Warning | ||||||||||||||||||||||||||||
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Methyl cyanoacrylate (MCA) is an organic compound that contains several functional groups, a methyl ester, a nitrile, and an alkene. It is a colorless liquid with low viscosity. Its chief use is as the main component of cyanoacrylate glues.It can be encountered under many trade names. Methyl cyanoacrylate is less commonly encountered than ethyl cyanoacrylate.It is soluble in acetone, methyl ethyl ketone, nitro methane, and dichloromethane. MCA polymerizes rapidly in presence of moisture.
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Colorless liquid.??
Surgical aid (tissue adhesive).?? ??
Clear slightly yellow liquid.??? ?? ??
Insoluble in water.?? ???
CYANOACRYLIC ACID METHYL ESTER is an unsaturated aliphatic nitrile and ester. Nitriles may polymerize in the presence of metals and some metal compounds. They are incompatible with acids; mixing nitriles with strong oxidizing acids can lead to extremely violent reactions. Nitriles are generally incompatible with other oxidizing agents such as peroxides and epoxides. The combination of bases and nitriles can produce hydrogen cyanide. Nitriles are hydrolyzed in both aqueous acid and base to give carboxylic acids (or salts of carboxylic acids). These reactions generate heat. Peroxides convert nitriles to amides. Nitriles can react vigorously with reducing agents. Acetonitrile and propionitrile are soluble in water, but nitriles higher than propionitrile have low aqueous solubility. They are also insoluble in aqueous acids. Esters react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters with alkali metals and hydrides.???
Toxic by inhalation. Eye and upper respi-ratory tract irritant.????
Methyl 2-cyanoacrylate is an irritant of the eyes and nose and can induce occupational asthma.????
Flash point data for CYANOACRYLIC ACID METHYL ESTER are not available but CYANOACRYLIC ACID METHYL ESTER is probably non-flammable.Safety Profile
Moderately toxic by ingestion and inhalation routes. Experimental reproductive effects. A human eye irritant. Can bond the eyelids or skin surfaces instantly. Mutation data reported. When heated to decomposition it emits toxic fumes of NOx and CN-.Safety
Heating the polymer causes depolymerization of the cured MCA, producing gaseous products strongly irritant to lungs and eyes.??? ??
Methyl 2-cyanoacrylate is used in production of coatings and textiles; in the manufacture of quick-setting, high-strength, adhesive cements. Often found around the home; bonds eyes and skin in seconds. Keep out of the reach of children.?? ??
UN3334 Aviation regulated liquid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material. Technical Name Required.? ???
Compounds of the carboxyl group react with all bases, both inorganic and organic (i.e., amines) releasing substantial heat, water and a salt that may be harmful. Incompatible with arsenic compounds (releases hydrogen cyanide gas), diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides (releasing heat, toxic, and possibly flammable gases), thiosulfates and dithionites (releasing hydrogen sulfate and oxides of sulfur). Reacts violently with water, bases, and peroxides. Contact with alcohols, water, amines, and alkalis can cause rapid polymerization?? 2-????????? ?? ?? ? ???
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?? 2-????????? ?? ??:
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ETHYL ALPHA-CHLOROPHENYLACETATE
Coumarin 337
3-Cyano-7-hydroxycoumarin
ETHYL 2-CYANO-3-METHYLCROTONATE
Ethyl (ethoxymethylene)cyanoacetate
ALPHA-CYANOCINNAMIC ACID ETHYL ESTER
Ethyl 2-cyano-3-(dimethylamino)acrylate
3-CYANO-7-METHOXYCOUMARIN
ETHYL 2-CYANO-3-(2-THIENYL)ACRYLATE
CYANO-CYCLOPENTYLIDENE-ACETIC ACIDMETHYL ESTER
ETHYL 2-CYANO-3-(4-NITROPHENYL)PROP-2-ENOATE
ETHYL 3-(4-CHLOROPHENYL)-2-CYANOACRYLATE
ETHYL 2-CYANO-3-(4-METHOXYPHENYL)ACRYLATE
ETHYL 3-(1,3-BENZODIOXOL-5-YL)-2-CYANOACRYLATE
Methyl alpha-cyanocinnamate
DIETHYL DICYANOFUMARATE, 97