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  • o-Cresol CAS#95-48-7
  • o-Cresol CAS#95-48-7
  • o-Cresol CAS#95-48-7
  • o-Cresol CAS#95-48-7
  • o-Cresol CAS#95-48-7

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o-Cresol CAS#95-48-7

o-Cresol CAS#95-48-7

Basic Information

Versatile Solubility: o-Cresol is miscible with alcohols, ethers, and chloroform, and soluble in alkaline solutions, allowing flexible use in various formulations.


Key Industrial and Pharmaceutical Intermediate: It serves as an important intermediate in the production of herbicides, disinfectants, pharmaceuticals, resins, plasticizers, fragrances, and dyes.


Analytical Utility: o-Cresol can be used as a reagent for chemical analysis, including testing for nitrates and arsenic.


Stable Physical Form for Handling: Available as a colorless liquid or crystal, o-Cresol is easy to store, handle, and incorporate into industrial processes.







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product description

Products Description of o-Cresol CAS#95-48-7

o-Cresol, also known as o-cresol, is a colorless liquid or crystal. It is miscible with alcohols, ethers, and chloroform. It is soluble in sodium hydroxide solution and slightly soluble in water. It has a phenolic odor. o-Cresol is used in the manufacture of the herbicide 2,4-D, as a diluent for sebacic acid, a disinfectant, and a pharmaceutical intermediate. It is also used in the production of resins, plasticizers, fragrances, dyes, and as an analytical reagent for testing nitrates and arsenic.

Product Application of o-Cresol CAS#95-48-7

o-Cresol is a core intermediate for herbicides (2,4-D), coumarins and pharmaceuticals. It is also used in resins, plasticizers, fragrances, dyes, disinfectants and food flavorings, and functions as an analytical reagent for nitrates and arsenic detection.

Product Information

Parameters


Melting point29-31 °C (lit.)
Boiling point191 °C (lit.)
Density1.048 g/mL at 25°C
Vapor density3.72 (vs air)
Vapor pressure0.3 mm Hg (20 °C)
Refractive index1.5361
FEMA3480 | O-CRESOL
Flash point178°F
Storage conditionsunder inert gas
Solubility20g/l
FormLiquid or low melting point solid
Acidity coefficient (pKa)10.2(at 25℃)
ColorWhite to brown
Odor (Odor)A 0.01% dipropylene glycol solution. It has a musty, phenolic plastic smell, a medicinal herbal smell, and a leathery smell.
pH value4.8 (20g/I, H2O, 20℃)
Odor threshold0.00028ppm
Fragrance typephenolic
Biological originsynthetic
Explosion limits1.47%, 148°F
Water solubility20 g/L (20 °C)
Merck142579
JECFA Number691
BRN506917
Henry's Law Constant0.34 at 5.25 °C, 0.61 at 10.00 °C, 1.57 at 20.00 °C, 2.33 at 25.00 °C (dynamic equilibrium system - GC, Feigen brugel et al., 2004a)
Exposure LimitsNIOSH REL: TWA 2.3 ppm (10 mg/m3), IDLH 250 ppm; OSHA PEL: TWA 5 ppm (22 mg/m3); ACGIH TLV: TWA A for all isomers 5 ppm (adopted).
Dielectric Constant5.8 (-5℃)
StabilityStable, but sensitive to light and air. Flammable. Incompatible with oxidizers and alkalis.


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