Phenol Produkt Beschreibung

Phenol Struktur
108-95-2
  • CAS-Nr.108-95-2
  • Bezeichnung:Phenol
  • Englisch Name:Phenol
  • Synonyma:Phenol;Karbolsäure<BR>Phenylsäure<BR>Hydroxybenzol
    Izal;PhOH;Fenol;Fenolo;PHENOL;NA 2821;Paoscle;Phenole;BENZENOL;PhenolGr
  • CBNumber:CB4362168
  • Summenformel:C6H6O
  • Molgewicht:94.11124
  • MOL-Datei:108-95-2.mol
Phenol physikalisch-chemischer Eigenschaften
  • Schmelzpunkt: :40-42 °C(lit.)
  • Siedepunkt: :182 °C(lit.)
  • Dichte :1.071 g/mL at 25 °C(lit.)
  • Dampfdichte :3.24 (vs air)
  • Dampfdruck :0.09 psi ( 55 °C)
  • Brechungsindex :n20/D 1.53
  • FEMA  :3223 | PHENOL
  • Flammpunkt: :175 °F
  • storage temp.  :2-8°C
  • Löslichkeit :H2O: 50 mg/mL at 20 °C, clear, colorless
  • Aggregatzustand :liquid
  • pka :9.89(at 20℃)
  • Farbe :faintly yellow
  • PH :3.0-6.0 (25℃, 0.5M in H2O)
  • Geruch (Odor) :Sweet, medicinal odor detectable at 0.06 ppm
  • Explosionsgrenze :1.3-9.5%(V)
  • Wasserlöslichkeit :8 g/100 mL
  • FreezingPoint  :41℃
  • Sensitive  :Air & Light Sensitive
  • Merck  :14,7241
  • BRN  :969616
  • CAS Datenbank :108-95-2(CAS DataBase Reference)
  • NIST chemische Informationen :Phenol(108-95-2)
  • EPA chemische Informationen :Phenol(108-95-2)
Sicherheit

Phenol Chemische Eigenschaften,Einsatz,Produktion Methoden

  • Beschreibung Phenol is a stable chemical substance and appear as colourless/white crystals with a characteristic, distinct aromatic/acrid odour. It is reactive and incompatible with strong oxidising agents, strong bases, strong acids, alkalis, and calcium hypochlorite. Phenol is flammable and may discolour in light. Phenol is used in the manufacture or production of explosives, fertiliser, coke, illuminating gas, lampblack, paints, paint removers, rubber, perfumes, asbestos goods, wood preservatives, synthetic resins, textiles, drugs, and pharmaceutical preparations. It is also extensively used as a disinfectant in the petroleum, leather, paper, soap, toy, tanning, dye, and agricultural industries.
  • Chemische Eigenschaften Phenol is a stable chemical substance of colorless/white crystals with a characteristically distinct aromatic/acrid odor. It is reactive and incompatible with strong oxidizing agents, strong bases, strong acids, alkalis, and calcium hypochlorite. It is flammable and discolors in light. Phenol is used in the manufacture or production of explosives, fertilizer, coke, illuminating gas, lampblack, paints, paint removers, rubber, perfumes, asbestos goods, wood preservatives, synthetic resins, textiles, drugs, and pharmaceutical preparations. It is also used extensively as a disinfectant in the petroleum, leather, paper, soap, toy, tanning, dye, and agricultural industries. Phenol is a systemic poison and constitutes a serious health hazard. The risks of using it in the laboratory must be fully assessed before work begins. Typical MEL 2 ppm; typical OEL 1 ppm.
  • Chemische Eigenschaften Phenol is a colorless to light-pink, crystalline solid. Sweet, acrid odor. Phenol liquefies by mixing with about 8% water. The Odor Threshold in air is 0.04 ppm and in water is 7.9 ppm.
  • Chemische Eigenschaften Phenol, C6H5OH, also known as carbolic acid and phenylic acid, is a white poisonous crystalline solid that melts at 43 °C (110 OF) and boils at 182°C (360 OF). Phenol has a sharp burning taste,a distinctive odor, and it irritates tissue. It is toxic not only by ingestion or inhalation, but also by skin absorption. Phenol is soluble in water,alcohol,and ether. It is used in the production of resins,germicides,weedkillers,pharmaceuticals, and as a solvent in the refining of lubricating oils.
  • Verwenden Purified for molecular genetics applications
  • Verwenden phenol is frequently used for medical chemical face peels. It may trap free radicals and can act as a preservative. Phenol, however, is an extremely caustic chemical with a toxicity potential. It is considered undesirable for use in cosmetics. even at low concentrations, it frequently causes skin irritation, swelling, and rashes.
  • Definition ChEBI: An organic hydroxy compound that consists of benzene bearing a single hydroxy substituent. The parent of the class of phenols.
  • Allgemeine Beschreibung A solid melting at 110°F. Colorless if pure, otherwise pink or red. Flash point 175°F. Density 9.9 lb / gal. Vapors are heavier than air Corrosive to the skin (turning skin white) but because of its anesthetic quality numbs rather than burn. Lethal amounts can be absorbed through the skin. Used to make plastics and adhesives.
  • ERSCHEINUNGSBILD FARBLOSE BIS GELBE ODER ROSAFARBENE KRISTALLE MIT CHARAKTERISTISCHEM GERUCH.
  • Air & Water Reaktionen Decomposes slowly in air. Mixtures of 9-10% phenol in air are explosive. Soluble in water
  • CHEMISCHE GEFAHREN Beim Erhitzen bilden sich giftige Rauche. Schwache Säure in wässriger Lösung. Reagiert mit Oxidationsmitteln. Feuer- und Explosionsgefahr.
  • ARBEITSPLATZGRENZWERTE TLV: 5 ppm (als TWA) Hautresorption; Krebskategorie A4 (nicht klassifizierbar als krebserzeugend für den Menschen); BEI vorhanden; (ACGIH 2005).
    MAK: Hautresorption; Krebserzeugend Kategorie 3B; (DFG 2005).
  • Reaktivität anzeigen PHENOL is a weak acid. Reacts exothermically with bases. Reacts with strong oxidizing agents. Emits acrid smoke and irritating fumes when heated to decomposition. Undergoes, in the presence of aluminum chloride, potentially explosive reactions with nitromethane, butadiene, formaldehyde, peroxodisulfuric acid, peroxosulfuric acid, and sodium nitrite . Reacts violently with sodium nitrate in the presence of trifluoroacetic acid [Bretherick, 5th ed., 1995, p. 770]. May corrode lead, aluminum and its alloys, certain plastics, and rubber. Phenol may explode in contact with peroxodisulfuric acid (Dns, J. Ber., 1910, 43, 1880; Z. Anorg. Chem., 1911, 73, 1911.) or peroxomonosulfuric acid. (Sidgwick, 1950, 939)
  • AUFNAHMEWEGE Schnelle Aufnahme in den Körper durch Inhalation der Dämpfe, über die Haut und durch Verschlucken.
  • INHALATIONSGEFAHREN Beim Verdampfen bei 20 °C tritt langsam eine gesundheitsschädliche Kontamination der Luft ein.
  • Health Hazard Toxic hazard rating is very toxic: probable oral lethal dose (human) is 50-500 mg/kg. Ingestion of 1 gram has been lethal to humans. Lethal amounts may be absorbed through skin or inhaled. Industrial contact can cause chronic poisoning with kidney and liver damage. Persons affected with hepatic or kidney diseases are at a greater risk.
  • Health Hazard Exposures to phenol cause adverse health effects and poisoning. Phenol is absorbed very rapidly through surfaces of the skin, lungs, and stomach. The symptoms of prolonged exposures and poisoning include, but are not limited to, vomiting, diffi culty in swallowing, diarrhea, lack of appetite, headache, fainting, dizziness, mental disturbances, and skin rash. Direct contact with phenol causes burning of the mouth, irritation to the eyes, nose, and dermatitis, discoloration of the skin, and damage to the liver and kidneys. Exposure to phenol in different concentrations is known to cause mental disturbances, depression of the CNS, and coma.
  • Health Hazard Phenol is a corrosive and moderately toxic substance that affects the central nervous system and can cause damage to the liver and kidneys. Phenol is irritating to the skin but has a local anesthetic effect, so that no pain may be felt on initial contact. A whitening of the area of contact generally occurs, and later severe burns may develop. Phenol is rapidly absorbed through the skin, and toxic or even fatal amounts can be absorbed through relatively small areas. Exposure to phenol vapor can cause severe irritation of the eyes, nose, throat, and respiratory tract. Acute overexposure by any route may lead to nausea, vomiting, muscle weakness, and coma. Contact of phenol with the eyes may cause severe damage and possibly blindness. Ingestion of phenol leads to burning of the mouth and throat and rapid development of digestive disturbances and the systemic effects described above. As little as 1 g can be fatal to humans. Phenol is regarded as a substance with good warning properties.
    Chronic exposure to phenol may cause vomiting, diarrhea, dizziness, difficulty in swallowing, headache, skin discoloration, and injury to the liver. Phenol has not been shown to be a carcinogen in humans. There is some evidence from animal studies that phenol may be a reproductive toxin.
  • WIRKUNGEN BEI KURZZEITEXPOSITION WIRKUNGEN BEI KURZZEITEXPOSITION:
    Die Substanz bzw. der Dampf verätzt die Augen, die Haut und die Atmungsorgane. Inhalation des Dampfes kann zu Lungenödem führen (s. Anm.). Möglich sind Auswirkungen auf Zentralnervensystem, Herz und Nieren mit nachfolgenden Krämpfen, Koma, Herzfunktionsstörungen, Atemversagen und Kollaps. Exposition kann zum Tod führen. Die Auswirkungen treten u.U. verzögert ein. ärztliche Beobachtung notwendig.
  • WIRKUNGEN NACH WIEDERHOLTER ODER LANGZEITEXPOSITION Wiederholter oder andauernder Hautkontakt kann Dermatitis hervorrufen. Möglich sind Auswirkungen auf Leberund Nieren.
  • Brandgefahr Flammable vapors when heated. Runoff from fire control water may give off poisonous gases and cause pollution. Mixtures of 9-10% phenol in air are explosive. Avoid aluminum chloride/nitrobenzene mixture, peroxodisulfuric acid, peroxomonosulfuric acid and strong oxidizing agents. Decomposes slowly on air contact. Avoid contact with strong oxidizing agents.
  • Brandgefahr Phenol is a combustible solid (NFPA rating = 2). When heated, phenol produces flammable vapors that are explosive at concentrations of 3 to 10% in air. Carbon dioxide or dry chemical extinguishers should be used to fight phenol fires.
  • LECKAGE Verschüttetes Material in abdichtbaren Behältern sammeln; falls erforderlich durch Anfeuchten Staubentwicklung verhindern. Reste sorgfältig sammeln. An sicheren Ort bringen. Persönliche Schutzausrüstung: Vollschutzanzug mit umgebungsluftunabhängigem Atemschutzgerät. NICHT in die Umwelt gelangen lassen.
  • R-Sätze Betriebsanweisung: R23/24/25:Giftig beim Einatmen, Verschlucken und Berührung mit der Haut.
    R34:Verursacht Verätzungen.
    R48/20/21/22:Gesundheitsschädlich: Gefahr ernster Gesundheitsschäden bei längerer Exposition durch Einatmen, Berührung mit der Haut und durch Verschlucken.
    R68:Irreversibler Schaden möglich.
    R40:Verdacht auf krebserzeugende Wirkung.
    R39/23/24/25:Giftig: ernste Gefahr irreversiblen Schadens durch Einatmen, Berührung mit der Haut und durch Verschlucken.
    R11:Leichtentzündlich.
    R36:Reizt die Augen.
    R20/21/22:Gesundheitsschädlich beim Einatmen,Verschlucken und Berührung mit der Haut.
    R24/25:Giftig bei Berührung mit der Haut und beim Verschlucken.
  • S-Sätze Betriebsanweisung: S26:Bei Berührung mit den Augen sofort gründlich mit Wasser abspülen und Arzt konsultieren.
    S36/37/39:Bei der Arbeit geeignete Schutzkleidung,Schutzhandschuhe und Schutzbrille/Gesichtsschutz tragen.
    S45:Bei Unfall oder Unwohlsein sofort Arzt zuziehen (wenn möglich, dieses Etikett vorzeigen).
    S36/37:Bei der Arbeit geeignete Schutzhandschuhe und Schutzkleidung tragen.
    S28:Bei Berührung mit der Haut sofort abwaschen mit viel . . . (vom Hersteller anzugeben).
    S24/25:Berührung mit den Augen und der Haut vermeiden.
    S1/2:Unter Verschluss und für Kinder unzugänglich aufbewahren.
    S36:DE: Bei der Arbeit geeignete Schutzkleidung tragen.
    S16:Von Zündquellen fernhalten - Nicht rauchen.
  • Aussehen Eigenschaften C6H6O
    Monohydroxybenzol, Karbolsäure
  • Sicherheitsprofil Human poison by ingestion. An experimental poison by ingestion, subcutaneous, intravenous, parenteral, and intraperitoneal routes. Moderately toxic by skin contact. A severe eye and skin irritant. Questionable carcinogen with experimental carcinogenic and neoplastigenic data. Mutation data reported. An experimental teratogen. Absorption of phenolic solutions through the skin may be very rapid, and can cause death within 30 minutes to several hours by exposure of as little as 64 square inches of skin. Lesser exposures can cause damage to the ladneys, liver, pancreas, and spleen, and edema of the lungs. Ingestion can cause corrosion of the lips, mouth, throat, esophagus, and stomach, and gangrene. Ingestion of 1.5 g has lulled. Chronic exposures can cause death from liver and kidney damage. Dermatitis resulting from contact with phenol or phenol-containing products is fairly common in industry. A common air contaminant.Combustible when exposed to heat, flame or oxidizers. Potentially explosive reaction with aluminum chloride + nitromethane (at 1 10°C/lOO bar), formaldehyde, perijxydisulfuric acid, peroxymonosulfuric acid, sodium nitrite + heat. Violent reaction with aluminum chloride + nitrobenzene (at 120℃), sodium nitrate + trifluoroacetic acid, butadiene. Can react with oxidizing materials. To fight fire, use alcohol foam, CO2, dry chemical. When heated to decomposition it emits acrid smoke and irritating fumes.
  • Gefahren für Mensch und Umwelt Mit Aluminium, Aldehyden, Brom, Calciumhypochlorit, Natriumnitrit, Natriumnitrat, Peroxoschwefelsäuren, Wasserstoffperoxid/eisen(III)-katalysator gefährliche Reaktionen möglich.
    Mit Luft Bildung explosionsfähiger Gemische möglich.
    Verätzungen nach Augen- und Hautkontakt, Erblindungsgefahr! Schleimhautirritationen nach Verschlucken. ZNS-Störungen, Herz-kreislaufstörungen, Blutbildveränderungen. Gefahr der Hautresorption, NTP-bewertung auf Kanzerogenität negativ beim Tier.
    toxisch für Wasserorganismen: Gefahr für das Trinkwasser!
    Wassergefährdend (WGK 2).
  • Schutzmaßnahmen und Verhaltensregeln Dicht verschlossen, trocken, unter Lichtschutz, an gut belüftetem Ort.
    Schutzbrille mit Seitenschutz und oberer Augenraumabdeckung
    Neoprenhanschuhe (als kurzzeitiger Spritz- und Staubschutz).
  • mögliche Exposition Phenol is used as a pharmaceutical, in the production of fertilizer; coke, illuminating gas; lampblack, paints, paint removers; rubber, asbestos goods; wood preservatives; synthetic resins; textiles, drugs, pharmaceutical preparations; perfumes, bakelite, and other plastics (phenolformaldehyde resins); polymer intermediates (caprolactam, bisphenol-A and adipic acid). Phenol also finds wide use as a disinfectant and veterinary drug.
  • Verhalten im Gefahrfall Vorsichtig trocken aufnehmen, entsorgen, nachreinigen.
  • Erste Hilfe Nach Hautkontakt: Mit viel Wasser waschen, mit Polyethylenglykol 400 abtupfen.
    Nach Augenkontakt: 15 Minuten bei gespreizten Lidern unter fließendem Wasser mit Augendusche ausspülen. Augenarzt konsultieren!
    Nach Einatmen: Frischluft, ggf. Atemspende/Gerätebeatmung
    Nach Verschlucken: Viel Wasser trinken, erbechen, Aktivkohle (20-40g), Arzt!
    Nach Kleidungskontakt: kontaminierte Kleidung sofort ausziehen
    Ersthelfer: siehe gesonderten Anschlag

  • Sachgerechte Entsorgung Als Sonderabfall entsorgen, zuständige Stellen: Hubland-Herr Riepl:8884711, Klinikum-Herr Uhl:2015557.
  • Erste Hilfe If this chemical gets into the eyes, remove any contact lenses at once and irrigate immediately for at least 15 minutes, occasionally lifting upper and lower lids. Seek medical attention immediately. If this chemical contacts the skin, remove contaminated clothing and wash immediately with soap and water. If concentrated phenol gets on a large area of the skin, immediately rush victim to shower and use at full blast; remove all contaminated clothing; scrub the contaminated area with soap for at least 10 minutes—water alone may be harmful. If polyethyleneglycol-300 is available, swab exposed area with cotton soaked in it. Seek medical attention immediately. If this chemical has been inhaled, remove from exposure, begin rescue breathing (using universal precautions, including resuscitation mask) if breathing has stopped and CPR if heart action has stopped. Transfer promptly to a medical facility. When this chemical has been swallowed, get medical attention. Rinse mouth. Give plenty of water and/or vegetable oil to drink. Do not allow the consumption of alcohol. Induce vomiting. Do not make an unconscious person vomit. Medical observation is recommended for 2448 hours after breathing overexposure, as pulmonary edema may be delayed. As first aid for pulmonary edema, a doctor or authorized paramedic may consider administering a drug or other inhalation therapy.
  • Lager Because of its corrosivity and ability to penetrate the skin, all work with phenol and its solutions should be conducted while wearing impermeable gloves, appropriate protective clothing, and splash goggles. Operations with the potential to produce dusts or aerosols of phenol or its solutions should be carried out in a fume hood.
  • Versand/Shipping UN1671 Phenol, solid, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN2312 Molten phenol, Hazard Class: 6.1; Labels: 6.1-Poisonous materials. UN2821 Phenol solutions, Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
  • läuterung methode Steam is passed through a boiling solution containing 1mole of phenol and 1.5-2.0moles of NaOH in 5L of H2O until all non-acidic material has distilled. The residue is cooled, acidified with 20% (v/v) H2SO4, and the phenol is separated, dried with CaSO4 and fractionally distilled under reduced pressure. It is then fractionally crystallised several times from its melt [Andon et al. J Chem Soc 5246 1960]. Purification via the benzoate has been used by Berliner, Berliner and Nelidow [J Am Chem Soc 76 507 1954]. The benzoate,(m 70o, b 314o/760mm), is crystallised from 95% EtOH, then hydrolysed to the free phenol by refluxing with two equivalents of KOH in aqueous EtOH until the solution becomes homogeneous. It is acidified with HCl and extracted with diethyl ether. The ether layer is freed from benzoic acid by thorough extraction with aqueous NaHCO3, and, after drying and removing the ether, the phenol is distilled. Phenol has also been crystallised from a 75% w/w solution in water by cooling to 11o and seeding with a crystal of the hydrate. The crystals are centrifuged off, rinsed with cold water (0-2o), saturated with phenol, and dried. It can be crystallised from pet ether [Berasconi & Paschalis J Am Chem Soc 108 2969 1986]. Draper and Pollard [Science 109 448 1949] added 12% water, 0.1% aluminium (can also use zinc) and 0.05% NaHCO3 to phenol, and distilled it at atmospheric pressure until the azeotrope was removed, The phenol was then distilled at 25mm. Phenol has also been dried by distillation from the *benzene solution to remove the water/*benzene azeotrope and the excess *benzene, followed by distillation of the phenol at reduced pressure under nitrogen. Processes such as this are probably adequate for analytical grade phenol which has as its main impurity water. Phenol has also been crystallised from pet ether/*benzene or pet ether (b 40-60o). The purified material is stored in a vacuum desiccator over P2O5 or CaSO4. [Beilstein 6 IV 531.]
  • Inkompatibilitäten Vapors may form explosive mixture with air. The aqueous solution is a weak acid. 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, calcium hypochlorite; aluminum chloride. acids. Reacts with metals.
  • Flammability and Explosibility Phenol is a combustible solid (NFPA rating = 2). When heated, phenol produces flammable vapors that are explosive at concentrations of 3 to 10% in air. Carbon dioxide or dry chemical extinguishers should be used to fight phenol fires.
  • Waste disposal 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. Incineration.
  • Vorsichtsmaßnahmen Acute poisoning of phenol by ingestion, inhalation or skin contact may lead to death. Phenol is readily absorbed through the skin. It is highly toxic by inhalation. It is corrosive and causes burns and severe irritation effects. During use and handling of phenol, occupational workers should be very careful. Workers should use protective clothing, rubber boots, and goggles to protect the eyes from vapors and spillage.
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108-95-2, Phenol Verwandte Suche:
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  • phenol carbolic acid monohydroxybenzene phenylalcohol
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