2-Naphthylamin Produkt Beschreibung

2-Naphthylamine Struktur
91-59-8
  • CAS-Nr.91-59-8
  • Bezeichnung:2-Naphthylamin
  • Englisch Name:2-Naphthylamine
  • Synonyma:2-Naphthylamin;beta-Naphthylamin;2-Aminonaphthalin
    bna[qr];usafcb-22;USAF CB-22;c.i. 37270;ci37270[qr];AKOS AUF0416;2-Naftylamin;usafcb-22[qr];2-Naftylamine;b-Naphthylamin
  • CBNumber:CB1455553
  • Summenformel:C10H9N
  • Molgewicht:143.19
  • MOL-Datei:91-59-8.mol
2-Naphthylamin physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :111-113 °C(lit.)
  • Siedepunkt: :306 °C(lit.)
  • Dichte :1.061 g/mL at 25 °C(lit.)
  • Dampfdruck :2.56 x 10-4 mmHg at 20–30 °C (quoted, Mercer et al., 1990)
  • Brechungsindex :1.5000 (estimate)
  • storage temp.  :-20°C Freezer
  • Löslichkeit :Solubility Soluble in hot water, ethanol, ether
  • pka :4.16(at 25℃)
  • Aggregatzustand :powder
  • Farbe :pink to purple
  • Säure-Base-Indikators(pH-Indikatoren) :Non& uorescence (2.8) to violet & uorescence (4.4)
  • Wasserlöslichkeit :<0.1 g/100 mL at 22 ºC
  • Merck  :13,6425
  • BRN  :3939429
  • Henry's Law Constant :2.01 x 10-9 atm?m3/mol at 25 °C (quoted, Mercer et al., 1990)
  • Expositionsgrenzwerte :Since it is a carcinogen, there is no TLV TWA for this compound. Recognized Carcinogen (ACGIH); Carcinogen (OSHA); Human Sufficient Evidence (IARC).
  • Stabilität: :Stable. Incompatible with strong oxidizing agents.
  • Major Application :Microelectronics, power transmission & fluid, insulators for electronic devices, photoresists, display device, imaging process, semiconductors, diesel fuel additives, battery, adhesive, paints, inks, chalk, leather, textiles, dye synthesis, soil products
  • InChIKey :JBIJLHTVPXGSAM-UHFFFAOYSA-N
  • CAS Datenbank :91-59-8(CAS DataBase Reference)
  • NIST chemische Informationen :2-Naphthalenamine(91-59-8)
  • EPA chemische Informationen :2-Naphthalenamine(91-59-8)
Sicherheit
  • Kennzeichnung gefährlicher :T,N
  • R-Sätze: :45-22-51/53
  • S-Sätze: :53-45-61
  • RIDADR  :UN 1650 6.1/PG 2
  • WGK Germany  :3
  • RTECS-Nr. :QM2100000
  • HazardClass  :6.1(a)
  • PackingGroup  :II
  • HS Code  :29214500
  • Giftige Stoffe Daten :91-59-8(Hazardous Substances Data)
  • Toxizität :LD50 (intraperitoneal) for mice 200 mg/kg (quoted, RTECS, 1985).

2-Naphthylamine Chemische Eigenschaften,Einsatz,Produktion Methoden

  • ERSCHEINUNGSBILD WEISSE BIS RöTLICHE FLOCKEN MIT CHARAKTERISTISCHEM GERUCH. VERFäRBEN SICH ROT BEI KONTAKT MIT LUFT.
  • CHEMISCHE GEFAHREN Zersetzung beim Verbrennen unter Bildung giftiger und ätzender Rauche.
  • ARBEITSPLATZGRENZWERTE TLV: Krebskategorie A1(bestätigte krebserzeugende Wirkung beim Menschen); (ACGIH 2005).
    MAK: Krebserzeugend Kategorie 1; Hautresorption; (DFG 2005).
  • AUFNAHMEWEGE Aufnahme in den Körper durch Inhalation, über die Haut und durch Verschlucken.
  • INHALATIONSGEFAHREN Verdampfung bei 20°C vernachlässigbar; eine gesundheitsschädliche Partikelkonzentration in der Luft kann jedoch beim Dispergieren schnell erreicht werden.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Möglich sind Auswirkungen auf das Blut mit nachfolgender Methämoglobinbildung. Möglich sind Auswirkungen auf die Blase mit nachfolgender Entzündung und Blut im Urin. ärztliche Beobachtung notwendig. Die Auswirkungen treten u.U. verzögert ein (s. Anm.).
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Krebserzeugend für den Menschen.
  • LECKAGE Verschüttetes Material in abgedeckten Behältern sammeln. Reste sorgfältig sammeln. An sicheren Ort bringen. NICHT in die Umwelt gelangen lassen. Chemikalienschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät.
  • R-Sätze Betriebsanweisung: R45:Kann Krebs erzeugen.
    R22:Gesundheitsschädlich beim Verschlucken.
    R51/53:Giftig für Wasserorganismen, kann in Gewässern längerfristig schädliche Wirkungen haben.
  • S-Sätze Betriebsanweisung: S53:Exposition vermeiden - vor Gebrauch besondere Anweisungen einholen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S61:Freisetzung in die Umwelt vermeiden. Besondere Anweisungen einholen/Sicherheitsdatenblatt zu Rate ziehen.
  • Aussehen Eigenschaften C10H9N. Farblose, glänzende Blättchen mit schwach aromatischem Geruch.
  • Gefahren für Mensch und Umwelt Heftige Reaktionen mit starken Oxydationsmitteln. Thermische Zersetzung unter Bildung nitroser Gase.
    Vergiftungssymptome wie bei einer Anilinvergiftung: Übelkeit, Erbrechen, Schwindel, Atem- und Pulsfrequenzveränderung, Atemnot. Alkoholeinnahme kann die toxische Wirkung verstärken.
    Krebserzeugende Substanz.
  • Schutzmaßnahmen und Verhaltensregeln Nur im Abzug arbeiten. Dicht verschlossen aufbewahren. Staubbildung vermeiden. Exposition bes. Hautkontakt vermeiden.
    Schutzhandschuhe (nur kurzfristiger Spritz- bzw. Staubschutz).
    Vorbeugender Hautschutz (Hautschutzcreme) empfohlen.
  • Verhalten im Gefahrfall Verschüttete Substanz vorsichtig trocken aufnehmen. Staubentwicklung vermeiden. Lösungen mit Absorptionsmaterial (z.B. Rench-Rapid) aufnehmen. Als Sondermüll entsorgen.
    CO2, Trockenlöschmittel, Schaum, Wasser.
  • Erste Hilfe Nach Hautkontakt: Mit reichlich Wasser und Seife abwaschen.
    Nach Augenkontakt: Mindestens 15 Minuten bei geöffnetem Lidspalt mit Wasser spülen. Augenarzt!
    Nach Einatmen: Frischluft. Arzt!
    Nach Verschlucken: Viel Wasser trinken. Sofort zu Arzt!
    Nach Kleidungskontakt: Kontaminierte Kleidung ausziehen.
    Ersthelfer: siehe gesonderten Anschlag

  • Sachgerechte Entsorgung Als Sondermüll entsorgen.
  • Chemische Eigenschaften 2-Naphthylamine is a white to red crystals with a faint, aromatic odor. Darkens in air to a reddish-purple color.
  • Physikalische Eigenschaften White crystals becomes purplish-red on exposure to air. Odor threshold concentrations ranged from 1.4 to 1.9 mg/m3 (quoted, Keith and Walters, 1992).
  • Verwenden 2-Naphthylamine was widely used in themanufacture of dyes and in rubber. Currently, its use is curtailed because of thehealth hazard.
  • Verwenden An amine compound used for research purposes
  • Verwenden It is listed as a known human carcinogen. Used in manufacturing of dyes, as antioxidant in rubber
  • Definition ChEBI: A naphthylamine carrying the amino group at position 2.
  • Allgemeine Beschreibung A white to reddish colored solid in the form of flakes. Slightly soluble in hot water and denser than water. Toxic by ingestion, inhalation and skin absorption. Used to make dyes and agricultural chemicals.
  • Air & Water Reaktionen 2-Naphthylamine darkens in air to a reddish-purple color (oxidizes). Slightly soluble in hot water and denser than water. Napthyl amines can be slowly hydrolyzed, releasing NH3 as a byproduct [N.L. Drake, Org. React. 1, (1942), 105].
  • Reaktivität anzeigen 2-Naphthylamine is a weak base. 2-Naphthylamine is incompatible with strong oxidizing agents and strong acids. 2-Naphthylamine is also incompatible with nitrous acid. 2-Naphthylamine reduces warm ammoniacal silver nitrate.
  • Hazard Toxic by ingestion, inhalation, skin absorption; a confirmed carcinogen. Causes bladder cancer.
  • Health Hazard 2-Naphthylamine poses a severe health haz ard because of its carcinogenicity. Admin istration of this compound by all routesresulted in cancers in various tissues in testanimals. It caused tumors in the kidney, blad der, liver, lungs, skin, and blood tissues.There is sufficient evidence that this com pound causes bladder cancer in humans aftera latent period of several years.The toxicity of 2-naphthylamine is lowto moderate. However, high doses can pro duce severe acute toxic effects. The routesof exposures are ingestion, skin contact, andinhalation of its dusts or vapors. The acutetoxic symptoms are similar to those produced by 1-naphthylamine: hemorrhagic cystitis or methemoglobinemia (causing hypoxiaor inadequate supply of oxygen to tissues),respiratory distress, and hematuria (blood inurine).LD50 value, oral (rats): 727 mg/kg.
  • Brandgefahr Combustible material: may burn but does not ignite readily. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated. Runoff may pollute waterways. Substance may be transported in a molten form.
  • Sicherheitsprofil Confirmed human carcinogen with experimental neoplastigenic and tumorigenic data. Long and continued exposure to even small amounts may produce tumors and cancers of the bladder. Poison by intraperitoneal route. Moderately toxic by ingestion. Experimental reproductive effects. Human mutation data reported. A very toxic chemical in any of its physical forms, such as flake, lump, dust, liquid, or vapor. It can be absorbed into the body through the lungs, the gastrointestinal tract, or the skin. Combustible when exposed to heat or flame. At elevated temperatures it evolves a vapor that is flammable and explosive. Incompatible with nitrous acid. When heated to decomposition it emits toxic fumes of NOx.
  • mögliche Exposition 2-Naphthylamine is presently used only for research purposes. It is present as an impurity in α-naphthylamine. It is as an intermediate in the preparation of other compounds. 2-Naphthylamine was widely used in the manufacture of dyestuffs; as an antioxidant for rubber; and in rubber coated cables.
  • Carcinogenicity 2-Naphthylamine is known to be a human carcinogen based on sufficient evidence of carcinogenicity from studies in humans.
  • Environmental Fate Photolytic. Low et al. (1991) reported that the photooxidation of aqueous primary amine solutions by UV light in the presence of titanium dioxide resulted in the formation of ammonium and nitrate ions.
    Chemical/Physical. Kanno et al. (1982) studied the aqueous reaction of 2-naphthylamine and other substituted aromatic hydrocarbons (aniline, toluidine, 1-naphthylamine, phenol, cresol, pyrocatechol, resorcinol, hydroquinone, and 1-naphthol) with hypochlorous acid in the presence of ammonium ion. They reported that the aromatic ring was not chlorinated as expected but was cleaved by chloramine forming cyanogen chloride. At lower pHs, the amount of cyanogen chloride formed increased (Kanno et al., 1982).
    2-Naphthylamine will not hydrolyze because it does not contain a hydrolyzable functional group (Kollig, 1993).
    At influent concentrations of 10, 1.0, 0.1, and 0.01 mg/L, the GAC adsorption capacities were 300, 150, 75, and 37 mg/g, respectively (Dobbs and Cohen, 1980).
  • Versand/Shipping UN1650 β-Naphthylamine, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
  • läuterung methode Sublime the amine at 180o in a stream of nitrogen. Crystallise it from hot water (charcoal) or *benzene. Dry it under vacuum in a drying pistol. The styphnate has m 194-195o (from EtOH). [Beilstein 12 H 1265, 12 III 2989, 12 IV 3122.] CARCINOGEN.
  • Inkompatibilitäten A weak base. Dust may form explosive mixture with air. Incompatible with oxidizers (chlorates, nitrates, peroxides, permanganates, perchlorates, chlorine, bromine, fluorine, etc.); contact may cause fires or explosions. Keep away from alkaline materials, strong bases, strong acids, oxoacids, epoxides. Incompatible with nitrous acid.
  • Waste disposal Controlled incineration whereby oxides of nitrogen are removed from the effluent gas by scrubber, catalyst, or thermal device. Consult with environmental regulatory agencies for guidance on acceptable disposal practices. Generators of waste containing this contaminant (≥100 kg/mo) must conform with EPA regulations governing storage, transportation, treatment, and waste disposal.
  • Verordnung (Regulations) Department of Transportation (DOT)
    2-Naphthylamine is considered a hazardous material, and special requirements have been set for marking, labeling, and transporting this material.
    Environmental Protection Agency (EPA)
    Comprehensive Environmental Response, Compensation, and Liability Act Reportable quantity (RQ) = 10 lb.
    Emergency Planning and Community Right-To-Know Act Toxics Release Inventory: Listed substance subject to reporting requirements.
    Resource Conservation and Recovery Act
    Listed Hazardous Waste: Waste code for which the listing is based wholly or partly on the presence of 2-naphthylamine = U168. Listed as a hazardous constituent of waste.
    Occupational Safety and Health Administration (OSHA)
    Potential occupational carcinogen: Engineering controls, work practices, and personal protective equipment are required.
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