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CAS No 108-31-6 , furan-2,5-dione

  • Name: furan-2,5-dione
  • Synonyms: Toxilic anhydride;furan-2,5-dione; furan-2,5-dione; 2,5-Furandione;MALEIC ANHYDRIDE; 108-31-6; cis-Butenedioic anhydride; Dihydro-2,5-dioxofuran; Maleic acid anhydride;
  • CAS Registry Number:
  • Transport: UN 2215
  • Melting Point: 52-55 ºC
  • Flash Point: 102 ºC
  • Boiling Point: 200 ºC
  • Density: 1.48
  • Refractive index: 1.554
  • Water Solubility: 79 G/100 ML (25 ºC)
  • Safety Statements: R22;R34;R42/43
  • Hazard Symbols: C: Corrosive;
  • Flash Point: 102 ºC
  • EINECS: 203-571-6
  • Molecular Weight: 98.05688
  • InchiKey: FPYJFEHAWHCUMM-UHFFFAOYSA-N
  • InChI: InChI=1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H
  • Risk Statements: S22;S26;S36/37/39;S45
  • Molecular Formula: C4H2O3
  • Molecular Structure:CAS No:108-31-6 furan-2,5-dione
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108-31-6 Maleic anhydride

108-31-6 Maleic anhydride

  • sell price maleic anhydride/MA/cas no.:108-31-6 Specifications 1)high purity: 99.5%min ,no dust 2) white flake or briquettes of crystal 3)Cas No.108-31-6 and UN No.:2215 maleic acid anhydride 1.Apperance: white flake or briquettes of crystal UN NO:22...
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108-31-6 Maleic Anhydride

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108-31-6 MALEIC ANHYDRIDE

  • United States Bromorganics Corporation [Manufacturer]
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  • Address: Bromorganics Corporation
    P. O. Box 722
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108-31-6 MALEIC ANHYDRIDE

  • United States Aceto Corp. [Manufacturer]
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108-31-6 Maleic Anhydride

  • Appearance:orthorhombic colorless needle-like or flaky crystal
  • China KMK-Chemical Bioengineering Co.,Ltd [Manufacturer, Trading Company]
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108-31-6 maleic anhydride

  • aboriginal, cascade 5 cups of maleic anhydride into a affable pot; Mix the maleic anhydride with one cup of distilled baptize. Distilled baptize is acclimated to advance abstention; Add two tablespoons of table alkali to the baking band-aid. Table al...
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108-31-6 Maleic Anhydride, Micronized

  • China Hainan Zhongxin Chemical Co., Ltd. [Manufacturer]
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108-31-6 MALEIC ACID

  • United States Advanced Synthesis Technologies [Manufacturer]
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  • Address: Advanced Synthesis
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108-31-6 MA(MALEIC ANHYDRIDE)

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References of furan-2,5-dione
Title: Maleic Anhydride
CAS Registry Number: 108-31-6
CAS Name: 2,5-Furandione
Synonyms: cis-butenedioic anhydride; toxilic anhydride
Molecular Formula: C4H2O3
Molecular Weight: 98.06
Percent Composition: C 48.99%, H 2.06%, O 48.95%
Literature References: May be prepd by sublimation of maleic acid and P2O5 under reduced pressure: Kempf, J. Prakt. Chem. [2] 78, 239 (1908). Commercial production by catalytic vapor-phase oxidation of benzene or other suitable hydrocarbons: Weiss, Downs, Ind. Eng. Chem. 12, 228 (1920); US 1318633 (1920 to Barrett Co.). Many other syntheses. Review of commercial methods of manufacture: Ashcroft, Clifford, Chem. Prod. 24, 11 (1961), C.A. 55, 9724d (1961); Faith, Keyes & Clark's Industrial Chemicals, F. A. Lowenheim, M. K. Moran, Eds. (Wiley-Interscience, New York, 4th ed., 1975) pp 514-518. Review: W. D. Robinson, R. A. Mount in Kirk-Othmer Encyclopedia of Chemical Technology vol. 14 (Wiley-Interscience, New York, 3rd ed., 1981) pp 770-793. Book: B. C. Trivedi, B. M. Culbertson, Maleic Anhydride (Plenum, New York, 1982) 872 pp.
Properties: Orthorhombic needles from chloroform; also readily by sublimation. Commercial grades are furnished in fused form, as briquettes. d 1.48. mp 52.8°. bp760 202.0°; bp400 179.5°; bp200 155.9°; bp100 135.8°; bp60 122.0°; bp40 111.8°; bp20 95.0°; bp10 78.7°; bp5 63.4°. Specific heat: 0.285 (solid); 0.396 (liq). Sol in water, forming maleic acid. Soly at 25° (g/100 g): acetone 227; ethyl acetate 112; chloroform 52.5; benzene 50; toluene 23.4; o-xylene 19.4; carbon tetrachloride 0.60; ligroin 0.25. Sol in dioxane. Sol in alc with ester formation.
Melting point: mp 52.8°
Boiling point: bp760 202.0°; bp400 179.5°; bp200 155.9°; bp100 135.8°; bp60 122.0°; bp40 111.8°; bp20 95.0°; bp10 78.7°; bp5 63.4°
Density: d 1.48
CAUTION: Potential symptoms of overexposure are conjunctivitis; photophobia, double vision; nasal and upper respiratory irritation; bronchial asthma; dermatitis. See NIOSH Pocket Guide to Chemical Hazards (DHHS/NIOSH 97-140, 1997) p 188.
Use: In Diels-Alder syntheses (as a dienophile), manuf alkyd-type of resins, dye intermediates, pharmaceuticals, agricultural chemicals (maleic hydrazide, malathion), in copolymerization reactions.