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Maleic anhydride

CAS No.108-31-6
Chemical Name:Maleic anhydride
Synonyms:MA;MAN;mala;BM-10;Maleic;NSC 9568;Lytron 820;NSC 137651;NSC 137652;NSC 137653
CBNumber:CB3188060
Molecular Formula:C4H2O3
Formula Weight:98.06
MOL File:108-31-6.mol
Maleic anhydride Property
Melting point : 51-56 °C(lit.)
Boiling point : 200 °C(lit.)
density : 1.48
vapor density : 3.4 (vs air)
vapor pressure : 0.16 mm Hg ( 20 °C)
Fp : 218 °F
storage temp. : Store at RT.
form : powder
Water Solubility : 79 g/100 mL (25 ºC)
Sensitive : Moisture Sensitive
Merck : 14,5704
BRN : 106909
Stability:: Stable. Combustible. Incompatible with water, strong oxidizing agents, alkali metals, strong bases, amines, most common metals, polymerization catalysts and accelerators.
CAS DataBase Reference: 108-31-6(CAS DataBase Reference)
NIST Chemistry Reference: 2,5-Furandione(108-31-6)
EPA Substance Registry System: 2,5-Furandione(108-31-6)
Safety
Hazard Codes : C
Risk Statements : 22-34-42/43
Safety Statements : 22-26-36/37/39-45
RIDADR : UN 2215 8/PG 3
WGK Germany : 1
RTECS : ON3675000
F : 21
TSCA : Yes
HazardClass : 8
PackingGroup : III
Hazardous Substances Data: 108-31-6(Hazardous Substances Data)

Maleic anhydride Chemical Properties,Usage,Production

Chemical Properties
White solid
Usage
Maleic Anhydride is heterocyclic compound used in the manufacture of unsaturated polyester resins. Maleic Anhydride has a wide range of other applications; it is used in synthetic tensides, insecticides, herbicides and fungicides.
General Description
Colorless crystalline needles, flakes, pellets, rods, briquettes, lumps or a fused mass. Melts at 113°F. Shipped both as a solid and in the molten state. Vapors, fumes and dusts strong irritate the eyes, skin and mucous membranes. Flash point 218°F. Autoignition temperature 890°F. Used to make paints and plastics and other chemicals.
Air & Water Reactions
Soluble in water. Reacts slowly with water to form maleic acid and heat.
Reactivity Profile
Maleic anhydride react vigorously on contact with oxidizing materials. Reacts exothermically with water or steam. Undergoes violent exothermic decomposition reactions, producing carbon dioxide, in the presence of strong bases (sodium hydroxide, potassium hydroxide, calcium hydroxide), alkali metals (lithium, sodium, potassium), aliphatic amines (dimethylamine, trimethylamine), aromatic amines (pyridine, quinoline) at temperatures above 150° C [Vogler, C. A. et al., J. Chem. Eng. Data, 1963, 8, p. 620]. A 0.1% solution of pyridine (or other tertiary amine) in Maleic anhydride at 185°C gives an exothermic decomposition with rapid evolution of gas [Chem Eng. News 42(8); 41 1964]. Maleic anhydride is known as an excellent dienophile in the Diels-Alder reaction to produce phthalate ester derivatives. These reactions can be extremely violent, as in the case of 1-methylsilacyclopentadiene [J. Organomet., Chem., 1979, 179, c19]. Maleic anhydride undergoes a potentially explosive exothermic Diels-Alder reaction with 1-methylsilacyclopenta-2,4-diene at 150C [Barton, T. J., J. Organomet. Chem., 1979, 179, C19], and is considered an excellent dieneophile for Diels-alder reactions [Felthouse, Timothy R. et al. "Maleic anhydride , Maleic Acid, and Fumaric Acid." Kirk-Othmer Encyclopedia of Chemical Technology. John Wiley & Sons, Inc. 2005].
Health Hazard
Inhalation causes coughing, sneezing, throat irritation. Skin contact causes irritation and redness. Vapors cause severe eye irritation; photophobia and double vision may occur.
Fire Hazard
Behavior in Fire: When heated above 300°F in the presence of various materials may generate heat and carbon dioxide. Will explode if confined.
Maleic anhydride Preparation Products And Raw materials
Raw materials
Xylene Liquefied petroleum ges N-BUTANE Benzene 1-Pentanol
Preparation Products
emulsion waterproof agent FUMARONITRILE tou-ming oil 3-HYDROXY-1-PHENYL-6-PYRIDAZONE Disodium succinate hexahydrate Water-soluble resin maleic acid-vinyl acetate copolymer synthetic tanning agent DLT-14 Carbic anhydride Pyridaphenthion EXO-3,6-EPOXY-1,2,3,6-TETRAHYDROPHTHALIC ANHYDRIDE Bismaleimide DIALLYL MALEATE DODECENYLSUCCINIC ANHYDRIDE Acipimox Dispersing rosin latex Water soluble epoxy resin DL-Asparagine monohydrate PR-I retanning agent DL-Malic acid Tetrahydro-4,7-epoxyisobenzofuran-1,3-dione Dioctyl maleate N-Ethylmaleimide Di-(2-Ethylhexyl)4,5-Epoxytetrahydrophthalate antistatic finish agent for synthetic fiber Dibutyltin maleate SULFACHLOROPYRIDAZINE Sizing agent for paper making 4-MALEIMIDOBUTYRIC ACID maleic anhydride-benzylethylene sulfonated acid copolyer neutral size-ASA maleic anhydride-arcylic acid copolymer 3-BENZOYLACRYLIC ACID disodium 4-[2-[(1-oxoundec-10-enyl)amino]ethyl] 2-sulphonatosuccinate Dioctyl(maleate)tin PYRIDAZINE-3,6-DIOL synthetic tanning agent KS-1 Methyl tetrahydrophthalic anhydride Dibutyl maleate Chrysene
Maleic anhydride Suppliers      Global( 270)Suppliers     
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108-31-6(Maleic anhydride)Related Search:
Maleic acid Maleic anhydride Phenylmaleic anhydride 2,3-DIPHENYLMALEIC ANHYDRIDE BROMOMALEIC ANHYDRIDE RUBRATOXIN B Citraconic anhydride CIS-ACONITIC ANHYDRIDE 2,3-Dimethylmaleic anhydride 3,4,5,6-Tetrahydrophthalic anhydride Dichloromaleic anhydride Succinic anhydride 3-SULFOLENE Diglycolic anhydride Chromium(VI) oxide Glutaric anhydride Fumaric acid MALICANHYDRIDE
Stable Isotopes Organic Building Blocks TOXILIC ANHYDRIDE 2,5-FURANDIONE 108-31-6 Carbonyl Compounds Carboxylic Acid Anhydrides BioChemical Building Blocks MA MAN MALEIC ACID ANHYDRIDE MALEIC ANHYDRIDE CIS-BUTENEDIOIC ANHYDRIDE cis-Butenedioic anhydrides Maleic anhydride Alphabetical Listings (Z)-butanedioicacidanhydride 2,5-Furandine 2,5-furandion 2,5-Furanedione Anhydrid kyseliny maleinove anhydridemaleique anhydridemaleique(etatvitreux) anhydridkyselinymaleinove Butenedioicanhydride cis-butanedioicanhydride Dihydro-2,5-dioxofuran Lytron 820 mala Maleic anhydride,briquettes maleicanhydride(non-specificname) maleicanhydride--2,5-furandione maleicanhydridemoltenliquid maleicanhydridesolid Maleinanhydrid Rcra waste number U147 rcrawastenumberu147 ANHYDRIDE MALEIC MALIEC ANHYDRIDE MALEIC ANHYDRIDE, POWDER, 95% MALEIC ANHYDRIDE 99.5% MALEIC ANHYDRIDE 98+% MaleicAnhydride>97% MaleicAnhydrideC4H2O3 MaleicAnhydride(Ma) C4H2O3 Maleic MALEICANHYDRIDE,REAGENT Miscellaneous Organics -OCOCHCHCO 2,5-Pyranedione MALEIC ANHYDRIDE extrapure AR Sodium n-amylxanthate -COCHCHCOO 2,5-Dioxofuran BM-10 Maleic anhydride,99%, (Pellets)
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