63200

Maleinsäureanhydrid

puriss., ≥99.0% (NT)

• Synonym(e): 2,5-Furandion
• Empirische Formel (Hill-System): C₄H₂O₃
• CAS-Nummer: 108-31-6
• Molekulargewicht: 98.06
• Beilstein: 106909
• EG-Nummer: 203-571-6
• MDL-Nummer: MFCD00005518
• UNSPSC-Code: 12162002
• PubChem Substanz-ID: 329759813
• NACRES: NA.23

Eigenschaften

• Dampfdichte: 3.4 (vs air)
• Qualitätsniveau: 200
• Dampfdruck: 0.16 mmHg ( 20 °C)
• Qualität: puriss.
• Assay: ≥99.0% (NT)
• Form: flakes; powder or crystals
• Selbstzündungstemp.: 870 °F
• Expl.-Gr.: 7.1 %
• bp: 200 °C (lit.)
• mp (Schmelzpunkt): 51-56 °C (lit.); 52-54 °C
• SMILES String: O=C1OC(=O)C=C1
• InChI: 1S/C4H2O3/c5-3-1-2-4(6)7-3/h1-2H
• InChIKey: FPYJFEHAWHCUMM-UHFFFAOYSA-N

Beschreibung

Allgemeine Beschreibung

Maleic anhydride is a dehydration product of maleic acid that is of considerable industrial importance.

Anwendung

Maleic anhydride has been used as a reference standard for the determination of the analyte in:

• Workplace air samples by capillary gas chromatography combined with electron capture detection (GC-ECD).

It may be used as a derivatization agent for fatty alcohol ethoxylates in:

• Industrial mixtures, cleaning products and river and sea waters by high performance liquid chromatography (HPLC) coupled with ultraviolet-visible (UV-Vis) diode array detection (DAD).

Sonstige Hinweise

For the complete dissociation of enzymes into soluble subunits; For the reversible blocking of amino groups (lysine reagent); P.J.G. Butler, J.I. Harris, B.S. Hartley, R. Lebermann; For the maleylation of proteins

Sicherheitshinweise

• Piktogramme: GHS08,GHS05,GHS07
• Signalwort: Danger
• H-Sätze: H302,H314,H317,H334,H372
• P-Sätze: P260 - P280 - P301 + P312 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• Gefahreneinstufungen: Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1A - STOT RE 1 Inhalation
• Zielorgane: Respiratory system
• Zusätzliche Gefahrenhinweise: EUH071
• Lagerklassenschlüssel: 6.1D - Non-combustible acute toxic Cat.3 / toxic hazardous materials or hazardous materials causing chronic effects
• WGK: WGK 1
• Flammpunkt (°F): 217.4 °F - closed cup
• Flammpunkt (°C): 103 °C - closed cup
• Persönliche Schutzausrüstung: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges