Chemical Name:o-Cresol
CAS No.: 95-48-7
Molecular formula: C7H8O
Molecular weight: 108.14
Related Categories: Food Additives; Flavors (flavoring agents); Natural equivalents and artificial flavors; phenoxycarboxylic acids and aryloxyphenoxycarboxylic acid herbicides;
Nature
Melting point | 30-34 °C |
Boiling point | 191 °C |
Density | 1.048 g/mL at 25 °C |
Vapor density | 3.72 (vs air) |
Vapor Pressure | 0.3 mm Hg ( 20 °C) |
Refractive index | 1.5361 |
FEMA | 3480 | O-CRESOL |
Flash point | 178 °F |
Storage conditions | 2-8°C |
Solubility | 20g/l |
form | Liquid or Low Melting Solid |
Acidity coefficient (pKa) | 10.2(at 25℃) |
colour | white to brown |
PH value | 4.8 (20g/l, H2O, 20℃) |
Explosive limit | 1.47%, 148°F |
Water solubility | 20 g/L (20 oC) |
Merck | 14,2579 |
BRN | 506917 |
stability | Stable, but light and air sensitive. Combustible. Incompatible with oxidizing agents, bases. |
CAS database | 95-48-7(CAS DataBase Reference) |
Chemical properties
Colorless crystals. Has a phenolic smell. Dissolved in about 40 times water (3% solubility in water at 40 ° C, 5.3% at 100 ° C). Soluble in caustic soda and almost all common organic solvents.
Use
1. It is an important intermediate for pesticide herbicides. It is also used in the synthesis of coumarin. It can also be used as a disinfectant, a preservative, a diluent in the production of sebacic acid, etc.
2. For organic synthesis, also as a disinfectant and preservative
3. Used as an analytical reagent, also used in organic synthesis
4. GB 2760--1996 specifies the edible flavors that are permitted for use.
5. A diluent for the manufacture of the herbicide xyltetrachloride, the production of sebacic acid, a disinfectant, and a pharmaceutical intermediate. Also used in the production of resins, plasticizers, perfumes, dyes and analytical reagents for the determination of nitrates and arsenic acids.
6. O-cresol is an intermediate of the herbicide 2 methyl 4-chloro, and is also a raw material for epoxy cresol and phenolic resin.