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2-Chlornaphthalin

2-Chloronaphthalene Struktur
91-58-7
CAS-Nr.
91-58-7
Bezeichnung:
2-Chlornaphthalin
Englisch Name:
2-Chloronaphthalene
Synonyma:
PCN-2;Halowax;halowax[qr];2-Chlornaftalen;2-Chlornaphthalin;2-chlornaphthalen;2-naphthylchloride;2-CHLORONAPHTALENE;β-Chloronaphthalene;2-CHLORONAPHTHALENE
CBNumber:
CB8854627
Summenformel:
C10H7Cl
Molgewicht:
162.62
MOL-Datei:
91-58-7.mol

2-Chlornaphthalin Eigenschaften

Schmelzpunkt:
57-60 °C
Siedepunkt:
256 °C
Dichte
1.1377
Dampfdruck
0.40 at 59.0 °C (Verevkin, 2003)
Brechungsindex
1.6079
Flammpunkt:
125 °C
storage temp. 
Sealed in dry,Room Temperature
L?slichkeit
Soluble in chloroform, carbon disulfide (Windholz et al., 1983), and many other halogenated liquid solvents (e.g., methylene chloride).
Aggregatzustand
Crystalline Powder
Farbe
White to almost white
Wasserl?slichkeit
insoluble
Merck 
2150
Henry's Law Constant
3.31 x 10-4 atm?m3/mol at 25 °C (gas stripping-UV spectrophotometry, Shiu and Mackay, 1997)
Dielectric constant
5.0(24℃)
CAS Datenbank
91-58-7(CAS DataBase Reference)
NIST chemische Informationen
Naphthalene, 2-chloro-(91-58-7)
EPA chemische Informationen
2-Chloronaphthalene (91-58-7)
Sicherheit
  • Risiko- und Sicherheitserkl?rung
  • Gefahreninformationscode (GHS)
Kennzeichnung gef?hrlicher Xi,T,F
R-S?tze: 36/37/38-39/23/24/25-23/24/25-11
S-S?tze: 37/39-26-45-36/37-16-7
RIDADR  UN1230 3/PG 2
WGK Germany  3
RTECS-Nr. QJ2275000
HS Code  29039990
Giftige Stoffe Daten 91-58-7(Hazardous Substances Data)
Toxizit?t Acute oral LD50 for rats 2,078 mg/kg, mice 886 mg/kg (quoted, RTECS, 1985).
Bildanzeige (GHS) GHS hazard pictograms
Alarmwort Achtung
Gefahrenhinweise
Code Gefahrenhinweise Gefahrenklasse Abteilung Alarmwort Symbol P-Code
H411 Giftig für Wasserorganismen, mit langfristiger Wirkung. Langfristig (chronisch) gew?ssergef?hrdend Kategorie 2
Sicherheit
P273 Freisetzung in die Umwelt vermeiden.
P391 Verschüttete Mengen aufnehmen.
P501 Inhalt/Beh?lter ... (Entsorgungsvorschriften vom Hersteller anzugeben) zuführen.

2-Chlornaphthalin Chemische Eigenschaften,Einsatz,Produktion Methoden

R-S?tze Betriebsanweisung:

R36/37/38:Reizt die Augen, die Atmungsorgane und die Haut.
R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
R11:Leichtentzündlich.

S-S?tze Betriebsanweisung:

S37/39:Bei der Arbeit geeignete Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn m?glich, dieses Etikett vorzeigen).
S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
S16:Von Zündquellen fernhalten - Nicht rauchen.
S7:Beh?lter dicht geschlossen halten.

Chemische Eigenschaften

2-Chloronaphthalene is a white to almost white crystalline powder and is practically insoluble in water. The chlorinated naphthalenes, which are derived from naphthalene through the replacement of one or more hydrogen atoms by chlorine, result in the formation of wax-like substances. This process starts with monochloronaphthalene and continues to the octachlor derivatives. The physical state of these substances can vary from mobile liquids to waxy solids, depending on the degree of chlorination. The freezing/melting points of the pure compounds range from 17°C for 1-chloronaphthalene to 198°C for 1,2,3,4-tetrachloronaphthalene.

Verwenden

2-Chloronaphthalene was used as a reagent in the enantioselective synthesis of heterocyclic ketones with α-chiral quaternary stereocentres. When used as a processing additive in bulk heterojunction solar cells, it doubles its power conversion efficiency.

Application

2-Chloronaphthalene can be used to:
As an inducer, it was shown that 2-chloronaphthalene is a potent inducer of cytochrome p450 activity.
As a synthetic raw material, 2-chloronaphthalene is used as an intermediate in organic synthesis and as a precursor for other compounds in the synthesis of malonic acid.
As a biological research reagent, 2-chloronaphthalene is used in experimental studies of biodegradation and metabolism in Pseudomonas aeruginosa[1-2].

Allgemeine Beschreibung

Monoclinic plates or off-white crystalline powder. Melting point 59.5°C. Chlorinated naphthalenes were formerly used in the production of electric condensers, insulating electric condensers, electric cables, and wires; additive for high pressure lubricants.

Air & Water Reaktionen

Insoluble in water.

Reaktivit?t anzeigen

2-Chloronaphthalene may react with strong oxidizing agents .

Health Hazard

2-Chloronaphthalene is a strong irritant. It may be absorbed through the skin. When heated to decomposition, toxic fumes of chlorides are released. Prolonged exposure to such compounds may cause symptoms such as chloracne, cysts, headaches, fatigue, dizziness, anorexia and jaundice.

Brandgefahr

Flash point data for 2-Chloronaphthalene are not available. 2-Chloronaphthalene is probably combustible.

m?gliche Exposition

Industrial exposure from individual chlorinated naphthalenes is rarely encountered; rather it usually occurs from mixtures of two or more Chlorinated naphthalenes. Due to their stability, thermoplasticity, and nonflammability, these compounds enjoy wide industrial application. These compounds are used in the production of electric condensers; in the insulation of electric cables and wires; as additives to extreme pressure lubricants; as supports for storage batteries; and as a coating in foundry use. octachloro-: Used as a fireproof and waterproof additive and lubricant additive. Pentachloro-: Used in electric wire insulation and in additives to special lubricants. tetrachloro-: Used in electrical insulating materials and as an additive in cutting oils. trichloro-: Used in lubricants and in the manufacture of insulation for electrical wire. Because of the possible potentiation of the toxicity of higher Chlorinated naphthalenes by ethanol and carbon tetrachloride, individuals who ingest enough alcohol to result in liver dysfunction would be a special group at risk. Individuals, e.g., analytical and synthetic chemists, mechanics and cleaners, who are routinely exposed to carbon tetrachloride or other hepatotoxic chemicals would also be at a greater risk than a population without such exposure. Individuals involved in the manufacture, utilization, or disposal of polychlorinated naphthalenes would be expected to have higher levels of exposure than the general population.

Environmental Fate

Biological. Reported biodegradation products include 8-chloro-1,2-dihydro-1,2- dihydroxynaphthalene and 3-chlorosalicylic acid (Callahan et al., 1979). When 2-chloronaphthalene was statically incubated in the dark at 25 °C with yeast extract and settled domestic wastewater inoculum, complete biodegradation was observed after 7 d (Tabak et al., 1981).
Chemical/Physical. The hydrolysis rate constant for 2-chloronaphthalene at pH 7 and 25 °C was determined to be 9.5 x 10-6/h, resulting in a half-life of 8.3 yr (Ellington et al., 1988). At 85.5 °C, hydrolysis half-lives of 255, 156, and 244 d were reported at pH values of 2.93, 7.10, and 9.58, respectively (Ellington et al., 1977).
At influent concentrations of 1.0, 0.1, 0.01, and 0.001 mg/L, the GAC adsorption capacities were 280, 96, 33, and 11 mg/g, respectively (Dobbs and Cohen, 1980).

Versand/Shipping

UN3082 Environmentally hazardous substances, liquid, n.o.s., Hazard class: 9; Labels: 9-Miscellaneous hazardous material, Technical Name Required.

l?uterung methode

Distil 2-chloronaphthalene in a vacuum, then crystallise it from 25% EtOH/water, then dry it under vacuum (see also the 1-isomer above). [Beilstein 5 H 541, 5 I 262, 5 II 445, 5 III 1573, 5 IV 1660.]

Inkompatibilit?ten

All are 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. Keep away from heat. Penta- is also incompatible with acids, alkalis.

Waste disposal

High-temperature incineration with flue gas scrubbing. Incineration, preferably after mixing with another combustible fuel. Care must be exercised to assure complete combustion to prevent the formation of phosgene. An acid scrubber is necessary to remove the halo acids produced.

2-Chlornaphthalin Upstream-Materialien And Downstream Produkte

Upstream-Materialien

Downstream Produkte


2-Chlornaphthalin Anbieter Lieferant Produzent Hersteller Vertrieb H?ndler.

Global( 166)Lieferanten
Firmenname Telefon E-Mail Land Produktkatalog Edge Rate
Suzhou Fenghua New Material Technology Co., Ltd.
+8615952428079
1968798092@qq.com China 176 58
Capot Chemical Co.,Ltd.
+86-(0)57185586718 +86-13336195806
sales@capot.com China 29791 60
Shanghai Time Chemicals CO., Ltd.
+86-021-57951555 +8617317452075
jack.li@time-chemicals.com China 1803 55
career henan chemical co
+86-0371-86658258 +8613203830695
sales@coreychem.com China 29880 58
Chongqing Chemdad Co., Ltd
+86-023-6139-8061 +86-86-13650506873
sales@chemdad.com China 39894 58
CONIER CHEM AND PHARMA LIMITED
+8618523575427
sales@conier.com China 49374 58
Richest Group Ltd
18017061086
oled@richest-group.com CHINA 5600 58
QINGDAO KAIENSI INTERNATIONAL TRADE CO.,LTD.
+86-0532-8699-9256 +8615254267723
kaley@cnfdevelop.com China 1410 58
SIMAGCHEM CORP
+86-13806087780
sale@simagchem.com China 17365 58
TargetMol Chemicals Inc.
+1-781-999-5354 +1-00000000000
marketing@targetmol.com United States 32161 58

91-58-7(2-Chlornaphthalin)Verwandte Suche:


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