Thymol

Description

2-ISOPROPYL-5-METHYLPHENOL · CAS 89-83-8 · C10H14O. UNII 3J50XA376E. Boiling Point: 232.5; Boiling Point: 233 °C; Boiling Point: 231.00 to 232.00 °C. @ 760.00 mm Hg.

Identification

CAS Registry Number	89-83-8
PubChem CID	6989
Molecular formula	C10H14O
IUPAC name	5-methyl-2-propan-2-ylphenol
UNII (FDA)	3J50XA376E
FEMA number	3066
JECFA number	709

Computed Descriptors

Molecular Weight	150.22
XLogP3	3.3
Hydrogen Bond Donor Count	1
Hydrogen Bond Acceptor Count	1
Rotatable Bond Count	1
Exact Mass	150.104465066
Monoisotopic Mass	150.104465066
Topological Polar Surface Area	20.2
Heavy Atom Count	11
Formal Charge	0

Physical & Chemical Properties

Boiling Point	232.5
Boiling Point	233 °C
Boiling Point	231.00 to 232.00 °C. @ 760.00 mm Hg
Boiling Point	232-233 °C
Boiling Point	233 °C @760 [mm Hg]
Melting Point	51.5
Melting Point	49.6 °C
Melting Point	51.5 °C
Flash Point	110 °C (230 °F) (Closed cup)
Solubility	900

Physical description & handling notes

• Other Solid
• Colorless or white solid with an herbal odor like thyme; [HSDB] White crystalline solid with an odor like phenol; [MSDSonline]
• Solid
• White crystals, powerful, sweet-medicinal, herbaceous, warm, aromatic odour
• Colorless, translucent crystals or plates from ethyl acetate, acetic acid or dimethyl carbonate
• Odor of thyme

Regulatory Status

Regulatory & Food Contact	EU Flavoring substances FDA Substance added to food: FLAVORING AGENT OR ADJUVANT FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS Flavoring Agents FLAVOURING_AGENT: Flavouring Agent Spice, Wood

GHS Hazard Classification

Reported hazard statements	H302, H314, H411, H318 (10.5%), H317, H401

Documented Uses

• Using Disinfectants or Biocides [Category: Clean]
• For destroying mold; preserving documents, art objects, and urine. Stabilizer (antioxidant) for trichloroethylene, halothane.
• For use against Varroa mites in honeybee colonies.
• For more Uses (Complete) data for THYMOL (14 total), please visit the HSDB record page.
• Use (kg; approx.) in Germany (2009): >250
• Consumption (g per capita; approx.) in Germany (2009): 0.00305

Synonyms

THYMOL; 89-83-8; 2-Isopropyl-5-methylphenol; 5-Methyl-2-(1-methylethyl)phenol; Thyme camphor; 5-Methyl-2-isopropylphenol; 6-Isopropyl-m-cresol; 3-p-Cymenol; m-Thymol; p-Cymen-3-ol; 3-Hydroxy-p-cymene; Thymic acid; 6-Isopropyl-3-methylphenol; Phenol, 5-methyl-2-(1-methylethyl)-; Isopropyl cresol; Apiguard

Frequently Asked Questions

What are the CAS number and molecular formula of 2-ISOPROPYL-5-METHYLPHENOL?

CAS 89-83-8; molecular formula C10H14O; molecular weight — g/mol.

What other names is 2-ISOPROPYL-5-METHYLPHENOL known by?

THYMOL, 89-83-8, 2-Isopropyl-5-methylphenol, 5-Methyl-2-(1-methylethyl)phenol, Thyme camphor, 5-Methyl-2-isopropylphenol.

What is the regulatory status of 2-ISOPROPYL-5-METHYLPHENOL?

Documented regulatory listings: EU Flavoring substances; FDA Substance added to food: FLAVORING AGENT OR ADJUVANT; FDA Inventory of Food Contact Substances Listed in 21 CFR: FCS.

Is 2-ISOPROPYL-5-METHYLPHENOL classified as hazardous?

Hazard statements reported: H302, H314, H411, H318, H317.

What are the key physical properties of 2-ISOPROPYL-5-METHYLPHENOL?

Boiling Point: 232.5; Boiling Point: 233 °C; Boiling Point: 231.00 to 232.00 °C. @ 760.00 mm Hg; Boiling Point: 232-233 °C.

Facts on this page are taken from PubChem (US National Library of Medicine) and Wikidata. Grade-specific data — assay, moisture, particle size, packaging, shelf life — is issued per batch on the COA and is not published here.