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Μεθυλοβενζόλιο

  • Ονομασία προϊόντος: Μεθυλοβενζόλιο
  • Αλλα ονόματα: Toluene, MePh
  • Cas No.: 108-88-3
  • Καθαρότητα: 99.8%
  • MF: C7H8
  • Εμφάνιση: Άχρωμο υγρό
  • Πακέτο: Τύμπανο
  • Πιστοποιητικό: ISO
  • Εφαρμογή: It also known as toluene, is a volatile organic compound that finds various industrial and commercial uses due to its chemical properties
  • Δείγμα: Διαθέσιμος

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Λεπτομέρεια προϊόντος

Μεθυλοβενζόλιο, an organic compound, is a colorless, volatile liquid with a distinctive aroma. It has strong refraction. It is miscible with ethanol, αιθέρας, acetone, χλωροφόρμιο, carbon disulfide and glacial acetic acid, and very slightly soluble in water. Flammable, vapor can form an explosive mixture with air, and the mixture can explode when the volume concentration is in a low range. Low toxicity, median lethal dose (rats, orally) 5000mg/kg. High concentrations of gas are anesthetic and irritating.
 

Παράμετρος προϊόντος

Συνώνυμα Toluene, Methyl benzene, Benzylene, Phenylmethane, Toluol, Anisen
Χημική φόρμουλα C7H8 Αριθμός CAS 108-88-3
Μοριακή μάζα 92.141 g·mol−1
ΙΔΙΟΤΗΤΕΣ
Εμφάνιση Άχρωμο υγρό
Οσμή sweet, pungent, benzene-like
Πυκνότητα 0.8623 g/mL (25 °C)
Σημείο τήξης −95.0 °C (−139.0 °F; 178.2 κ)
Σημείο βρασμού 110.60 °C (231.08 °F; 383.75 κ)
Πίεση ατμού 2.8 kPa (20 °C)
Δείκτης διάθλασης 1.4941 (25 °C)
Σημείο ανάφλεξης 4 °C (39 °F; 277 κ)
Διαλυτότητα It can be miscible in benzene, alcohol, αιθέρα και άλλους οργανικούς διαλύτες
Διαλυτότητα στο νερό 0.54 g/L (5 °C)
0.519 g/L (25 °C)
0.63 g/L (45 °C)
1.2 g/L (90 °C)
log P 2.73

 

Εφαρμογή

1. Διαλυτικό μέσο: Methylbenzene is an excellent solvent, can dissolve a variety of organic matter. Due to its good solubility and volatility, it is widely used in industrial and household applications such as coatings, μελάνια, κόλλες, cleaners and adhesives.

2. Chemical industry: MePh is an important raw material and intermediate for the synthesis of a variety of chemicals. For example, it is a raw material for the synthesis of styrene, which is used to prepare polystyrene (PS) πλαστικά είδη; It can also be used to prepare toluene diisocyanate (TDI) for the production of polyurethane foam materials.

3. Dyes and pigments: MePh can be used as a solvent and carrier for dyes and pigments to promote dye dispersion and penetration. It is widely used in the fields of textile, papermaking, printing and painting.

4. Spices and flavors: Because chemical methylbenzene has a unique aromatic smell, it is used as a component of spices and flavors. It can give special smells and fragrances to food, beverages, perfumes and household items.

5. Cleaners and solvents: Toluene has the ability to dissolve in industrial cleaners and solvents, and can remove grease, stains and other attachments. Therefore, it is widely used in automotive maintenance, mechanical cleaning and metal surface treatment and other fields.
 

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