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Thymol
CAS Number: 89-83-8
Molecular Formula: C10H14O
Molecular Weight: 150.22
Thymol
Thymol USP NF Grade Specifications
C10H14O 150.22
Phenol, 5-methyl-2-(1-methylethyl)-.
Thymol.
p-Cymen-3-ol [CAS 89-83-8].
Thymol contains not less than 99.0 percent and not more than 101.0 percent of C10H14O.
Packaging and storage: Preserve in tight, light-resistant containers.
Identification:
A: Infrared Absorption 197K .
B: It meets the requirements under Melting range.
Melting range: between 48 and 51C; but when melted, Thymol remains liquid at a considerably lower temperature.
Limit of nonvolatile residue: Volatilize about 2 g, accurately weighed, on a steam bath, and dry at 105 to constant weight: not more than 0.05% of residue remains.
Assay: Transfer about 100 mg of Thymol, accurately weighed, to a 250-mL iodine flask, and dissolve in 25 mL of 1 N sodium hydroxide. Add 20 mL of hot dilute hydrochloric acid (1 in 2), and immediately titrate with 0.1 N bromine VS to within 1 to 2 mL of the calculated endpoint. Warm the solution to between 70 and 80 , add 2 drops of methyl orange, and continue the titration slowly, swirling vigorously after each addition. When the color of the methyl orange is bleached, add 2 drops of 0.1 N bromine, shake for 10 seconds, add 1 drop of methyl orange, and shake vigorously. If the solution is red, continue the titration, drop-wise and with shaking, until the color is discharged. Repeat the alternate addition of the titrant and the methyl orange until the red color is discharged. Each mL of 0.1 N bromine is equivalent to 3.755 mg of C10H14O.
Specifications of Thymol Food Grade Specifications:
Appearance (Color): White
Appearance (Form): Powder or Crystals
Initial Melting Point: >_ 49C
Final Melting Point: <_ 51C
Infrared spectrum: Conforms to Structure
Purity (GC): >_ 99.0 %
Solubility (Turbidity): Clear to Very Slightly Hazy in 1gm/1ml 95% Ethanol
Solubility (Color): Colorless
Arsenic (As): <_ 3.0 ppm
Cadmium (Cd): <_ 1.0 ppm
Mercury (Hg): <_ 1.0 ppm
Lead (Pb): <_ 10.0 ppm.
We also supply Thymol of BP Ph Eur Grade.
Please visit SDS Safety Data Sheet of Thymol Suppliers.
American Molecules, also known as ammol.org is a distributor, supplier and manufacturers' representative of all types of Pharmaceuticals, Functional Ingredients, Excipients and Specialty Chemicals in Texas USA. Our principals manufacture supply and export USP NF BP, Ph Eur, etc grades of chemicals pure and reagent grade, mineral fortifiers, FCC food grade. Tailor made particle size and customized specifications are offered. The principal's facility is having one or more of the certifications like FDA approval and GLP, cGMP, ISO9001, ISO14001, ISO/IEC 17025, ISO22000, FSSC 22000, ISO45001, FSSAI, Kosher, HALAL, COPP, WHO-GMP certified and Written Confirmation (WC) for export to Europe is available. The manufacturers suppliers and exporters observe WHO Good Manufacturing Practices and Good Laboratory Practices.
Suppliers and Manufacturers' Representative:
9910 Bent Oak Dr
Houston, TX 77040, USA
Call Toll Free: 1-855-55-AMMOL 1-855-552-6665
Email: info@ammol.org