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3-Nitrotoluene

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3-Nitrotoluene Basic information
3-Nitrotoluene Chemical Properties
  • Melting point:15 °C
  • Boiling point:230-231 °C(lit.)
  • Density 1.157 g/mL at 25 °C(lit.)
  • vapor density 4.73 (vs air)
  • vapor pressure 1 mm Hg ( 50.2 °C)
  • refractive index n20/D 1.541(lit.)
  • Flash point:215 °F
  • storage temp. 2-8°C
  • solubility 0.419g/l
  • form Liquid
  • color Clear yellow to yellow-brownish
  • explosive limit2.2%(V)
  • Water Solubility insoluble
  • Merck 14,6650
  • BRN 1906910
  • Henry's Law Constant9.31 at 25 °C (thermodynamic method-GC/UV spectrophotometry, Altschuh et al., 1999)
  • Exposure limitsNIOSH REL: TWA 2 ppm (11 mg/m3), IDLH 200 ppm; OSHA PEL: TWA 5 ppm (30 mg/m3); ACGIH TLV: TWA 2 ppm (adopted).
  • Stability:Stable. Combustible. Incompatible with reducing agents, strong oxidizing agents, strong bases.
  • CAS DataBase Reference99-08-1(CAS DataBase Reference)
  • NIST Chemistry ReferenceBenzene, 1-methyl-3-nitro-(99-08-1)
  • EPA Substance Registry Systemm-Nitrotoluene (99-08-1)
Safety Information
MSDS
3-Nitrotoluene Usage And Synthesis
  • Chemical Propertiesyellow-green liquid
  • Chemical PropertiesNitrotoluene is formed in 3 isomeric forms. The o-and m-forms are yellow liquids or solids. The p-form is a pale yellow crystalline solid. All have weak aromatic odors. The Odor Thresholds are: 0.05 mg/L (o-isomer); 1.74 ppm (m-isomer).
  • Physical propertiesClear, yellowish liquid with an aromatic odor. Odor threshold concentration is 600 ppm (quoted, Amoore and Hautala, 1983).
  • UsesOrganic synthesis.
  • DefinitionChEBI: A mononitrotoluene carrying a nitro group at position 3.
  • General DescriptionYellow crystals that melt at 59°F to a yellow liquid. Often therefore encountered as a liquid. Flash point 223°F. Boiling point 450°F. Insoluble in water. Toxic by inhalation and ingestion.
  • Air & Water ReactionsInsoluble in water.
  • Reactivity Profile3-Nitrotoluene reacts with sulfuric acid, strong oxidizing agents and reducing agents.
  • HazardToxic by inhalation, ingestion, skin absorption. Methemoglobinemia. Probable carcinogen.
  • Health HazardINHALATION, INGESTION OR SKIN ABSORPTION: Headache, flushing of face, dizziness, difficult breathing, cyanosis, nausea, vomiting, muscular weakness, increased pulse and respiratory rate, irritability and convulsions. EYES: Slight irrita- tion. SKIN: Slight irritation.
  • Potential ExposureThe nitrotoluenes are used in the production of toluidines and other dye intermediates. All isomers are used in manufacture of agriculture and rubber chemicals and in various dyes.
  • Environmental FateBiological. Under anaerobic conditions using a sewage inoculum, 3-nitrotoluene and 4- nitrotoluene both degraded to toluidine (Hallas and Alexander, 1983). Robertson et al. (1992) reported that toluene dioxygenases from Pseudomonas putida F1 and Pseudomonas sp. Strain JS 150 oxidized the methyl group forming 3-nitrobenzyl alcohol.
  • ShippingUN1664 Nitrotoluenes, (o-; m-; p-), Hazard Class: 6.1; Labels: 6.1-Poisonous materials.
  • Purification MethodsDry 3-nitrotoluene over P2O5 for 24hours, then fractionally distil it under reduced pressure. [Clark & Taylor Org. Synth Coll Vol I 415 1941, Beilstein 5 IV 847.]
  • IncompatibilitiesDecomposes on contact with strong oxidizers; strong acids; reducing agents; strong bases; ammonia, amines producing toxic fumes, causing fire and explosion hazard. Heat above 190C may cause explosive decomposition. Attacks some plastics, rubbers, and coatings.
  • Waste DisposalControlled incineration-care must be taken to maintain complete combustion at all times. Incineration of large quantities may require scrubbers to control the emission of nitrogen oxides.
3-Nitrotoluene Preparation Products And Raw materials
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