Isophthalsure Produkt Beschreibung

Isophthalic acid Struktur
121-91-5
  • CAS-Nr.121-91-5
  • Bezeichnung:Isophthalsure
  • Englisch Name:Isophthalic acid
  • Synonyma:Isophthalsure;1,3-Benzoldicarbons?ure;m-Phthals?ure
    Isophthalic;isophthalate;IPA)Isophthalic;M-PHTHALIC ACID;1,3-phthalicacid;ISOPHTHALIC ACID;META-PHTHALICACID;acideisophtalique;Acide isophtalique;kyselinaisoftalova
  • CBNumber:CB3262667
  • Summenformel:C8H6O4
  • Molgewicht:166.13
  • MOL-Datei:121-91-5.mol
Isophthalsure physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :341-343 °C(lit.)
  • Siedepunkt: :214.32°C (rough estimate)
  • Dichte :1,54 g/cm3
  • Brechungsindex :1.5100 (estimate)
  • storage temp.  :Store below +30°C.
  • Löslichkeit :0.12g/l
  • Aggregatzustand :Crystalline Powder
  • pka :3.54(at 25℃)
  • Farbe :White to off-white
  • Wasserlöslichkeit :0.01 g/100 mL (25 ºC)
  • Merck  :14,5197
  • BRN  :1909332
  • Stabilität: :Stable. Incompatible with strong oxidizing agents, strong bases.
  • InChIKey :QQVIHTHCMHWDBS-UHFFFAOYSA-N
  • CAS Datenbank :121-91-5(CAS DataBase Reference)
  • NIST chemische Informationen :1,3-Benzenedicarboxylic acid(121-91-5)
  • EPA chemische Informationen :1,3-Benzenedicarboxylic acid(121-91-5)
Sicherheit

Isophthalic acid Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD FARBLOSES KRISTALLINES PULVER.
  • PHYSIKALISCHE GEFAHREN Staubexplosion der pulverisierten oder granulierten Substanz in Gemischen mit Luft möglich.
  • ARBEITSPLATZGRENZWERTE TLV nicht festgelegt (ACGIH 2005).
    MAK: 2 mg/m?(Einatembare Fraktion); Spitzenbegrenzung: überschreitungsfaktor I(2); Schwangerschaft: Gruppe C; (DFG 2006).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Verschlucken.
  • INHALATIONSGEFAHREN Verdampfen bei 20°C vernachlässigbar; eine belästigende Partikelkonzentration in der Luft kann jedoch schnell erreicht werden.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Die Substanz reizt die Haut leicht.
  • LECKAGE Verschüttetes Material in Behältern sammeln; falls erforderlich durch Anfeuchten Staubentwicklung verhindern. Reste sorgfältig sammeln. An sicheren Ort bringen. Persönliche Schutzausrüstung: Atemschutzgerät, P2-Filter für schädliche Partikel.
  • R-Sätze Betriebsanweisung: R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
  • S-Sätze Betriebsanweisung: S24/25:Berührung mit den Augen und der Haut vermeiden.
    S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
    S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
  • Beschreibung Isophthalic acid is an organic compound with the formula C6H4(CO2H)2. This colourless solid is an isomer of phthalic acid and terephthalic acid. These aromatic dicarboxylic acids are used as precursors (in form of acyl chlorides) to commercially important polymers, e.g. the fire-resistant material Nomex. Mixed with terephthalic acid, iso phthalic acid is used in the production of resins for drink bottles. The high-performance polymer poly benzimidazole is produced from iso phthalic acid.
  • Chemische Eigenschaften whitetolightyellowcrytalpowe
  • Verwenden Purified Isophthalic Acid (PIA) is mainly used as intermediate for high performance UPR, resins for coatings, high solids paints, gel coats, modifier of PET for bottles. Product Data Sheet
  • Definition ChEBI: A benzenedicarboxylic acid that is benzene substituted by carboxy groups at position 1 and 3. One of three possible isomers of benzenedicarboxylic acid, the others being phthalic and terephthalic acids.
  • synthetische Iso phthalic acid is produced on the billion kilogram per year scale by oxidizing meta-xylene using oxygen . The process employs a cobalt-manganese catalyst. In the laboratory, chromic acid can be used as the oxidant. It also arises by fusing potassium meta-sulpho benzoate , or meta - brom benzoate with potassium formate (terephthalic acid is also formed in the last case).
    The barium salt (as its hexa hydrate) is very soluble (a distinction between phthalic and terephthalic acids). Uvitic acid, 5- methylisophthalic acid, is obtained by oxidizing mesitylene or by condensing pyroracemic acid with baryta water.
  • Allgemeine Beschreibung White solid with a slight unpleasant odor. Sinks in water.
  • Air & Water Reaktionen Dust forms explosive mixture in air [USCG, 1999].
  • Reaktivität anzeigen Isophthalic acid is a carboxylic acid. Carboxylic acids donate hydrogen ions if a base is present to accept them. They react in this way with all bases, both organic (for example, the amines) and inorganic. Their reactions with bases, called "neutralizations", are accompanied by the evolution of substantial amounts of heat. Neutralization between an acid and a base produces water plus a salt. Carboxylic acids with six or fewer carbon atoms are freely or moderately soluble in water; those with more than six carbons are slightly soluble in water. Soluble carboxylic acid dissociate to an extent in water to yield hydrogen ions. The pH of solutions of carboxylic acids is therefore less than 7.0. Many insoluble carboxylic acids react rapidly with aqueous solutions containing a chemical base and dissolve as the neutralization generates a soluble salt. Carboxylic acids in aqueous solution and liquid or molten carboxylic acids can react with active metals to form gaseous hydrogen and a metal salt. Such reactions occur in principle for solid carboxylic acids as well, but are slow if the solid acid remains dry. Even "insoluble" carboxylic acids may absorb enough water from the air and dissolve sufficiently in Isophthalic acid to corrode or dissolve iron, steel, and aluminum parts and containers. Carboxylic acids, like other acids, react with cyanide salts to generate gaseous hydrogen cyanide. The reaction is slower for dry, solid carboxylic acids. Insoluble carboxylic acids react with solutions of cyanides to cause the release of gaseous hydrogen cyanide. Flammable and/or toxic gases and heat are generated by the reaction of carboxylic acids with diazo compounds, dithiocarbamates, isocyanates, mercaptans, nitrides, and sulfides. Carboxylic acids, especially in aqueous solution, also react with sulfites, nitrites, thiosulfates (to give H2S and SO3), dithionites (SO2), to generate flammable and/or toxic gases and heat. Their reaction with carbonates and bicarbonates generates a harmless gas (carbon dioxide) but still heat. Like other organic compounds, carboxylic acids can be oxidized by strong oxidizing agents and reduced by strong reducing agents. These reactions generate heat. A wide variety of products is possible. Like other acids, carboxylic acids may initiate polymerization reactions; like other acids, they often catalyze (increase the rate of) chemical reactions.
  • Health Hazard May cause slight to moderate irritation of eyes, skin, and mucous membranes on prolonged contact. Ingestion may cause gastrointestinal irritation.
  • Brandgefahr Behavior in Fire: Dust forms explosive mixture in air.
  • läuterung methode Crystallise the acid from aqueous EtOH. [Beilstein 9 IV 3292.]
Isophthalic acid Upstream-Materialien And Downstream Produkte
Upstream-Materialien
Downstream Produkte
Isophthalsure Anbieter Lieferant Produzent Hersteller Vertrieb Händler.
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121-91-5, Isophthalic acid Verwandte Suche:
  • Acide isophtalique
  • acideisophtalique
  • acideisophtalique(french)
  • isophthalate
  • Kyselina isoftalova
  • kyselinaisoftalova
  • kyselinaisoftalova(czech)
  • m-Benzenedicarboxylic acid
  • META-PHTHALICACID
  • BENZENE-1,3-DICARBOXYLIC ACID / ISOPHTHALIC ACID
  • Isophthalic acid -Respirable Dust
  • Isophthalic acid Total Dust
  • ISOPHTHALIC ACID pure
  • Isophthalic acid,99%
  • PIA Benzene-1,3-dicarboxylic acid
  • Isophthalic acid, synthesis grade
  • Benzene-M-dicarboxylic acid
  • Isophthalic acid, 99% 2KG
  • Isophthalic acid, 99% 5GR
  • IPA)Isophthalic
  • Isophthalic acid (IPA)
  • Isophthalic acid 99%
  • Benzene-1,3-dicarboxylic aci
  • Isophthalic acid, 99.5%
  • RARECHEM AL BO 0036
  • M-PHTHALIC ACID
  • 1,3-dicarboxybenzene
  • 1,3-phthalicacid
  • m-benzenedicarboxylicacid
  • m-Dicarboxybenzene
  • 1,3-BENZENEDICARBOXYLIC ACID
  • 1,3-PHENYL DICARBOXYLIC ACID
  • ISOPHTHALIC ACID
  • Isophthalic Acid/Benzene-1,3-dicarboxylic acid(IPA)
  • IsophthalicAcidForSynthesis
  • ISOPHTHALIC ACID (M-PHTHALIC ACID )
  • Isophthalic
  • Isophthalic acid(PIA)
  • 121-91-5
  • HOOCC6H4COOH
  • 121915
  • C6H413CO2H2
  • Organic Building Blocks
  • Carboxylic Acids
  • Carbonyl Compounds
  • C8
  • Building Blocks
  • Building Blocks
  • C8
  • Carbonyl Compounds
  • Carboxylic Acids
  • Chemical Synthesis
  • Organic Building Blocks
  • solvents and intermediates