Thymol

Modify Date: 2025-08-19 17:36:35

Thymol structure	Common Name	Thymol
	CAS Number	89-83-8	Molecular Weight	150.218
	Density	1.0±0.1 g/cm3	Boiling Point	233.0±0.0 °C at 760 mmHg
	Molecular Formula	C₁₀H₁₄O	Melting Point	48-51 °C(lit.)
	MSDS	Chinese USA	Flash Point	102.2±0.0 °C
	Symbol	GHS05, GHS07, GHS09	Signal Word	Danger

Use of Thymol

Thymol is the main monoterpene phenol occurring in essential oils isolated from plants belonging to the Lamiaceae family, and other plants such as those belonging to the Verbenaceae, Scrophulariaceae, Ranunculaceae and Apiaceae families. Thymol has antioxidant, anti-inflammatory, antibacterial and antifungal effects[1].

Name	thymol
Synonym	More Synonyms

Description	Thymol is the main monoterpene phenol occurring in essential oils isolated from plants belonging to the Lamiaceae family, and other plants such as those belonging to the Verbenaceae, Scrophulariaceae, Ranunculaceae and Apiaceae families. Thymol has antioxidant, anti-inflammatory, antibacterial and antifungal effects[1].
Related Catalog	Research Areas >> Infection Signaling Pathways >> Others >> Others
References	[1]. Marchese A, et al. Antibacterial and antifungal activities of thymol: A brief review of the literature. Food Chem. 2016 Nov 1;210:402-14.

Density	1.0±0.1 g/cm3
Boiling Point	233.0±0.0 °C at 760 mmHg
Melting Point	48-51 °C(lit.)
Molecular Formula	C₁₀H₁₄O
Molecular Weight	150.218
Flash Point	102.2±0.0 °C
Exact Mass	150.104462
PSA	20.23000
LogP	3.28
Vapour Pressure	0.0±0.4 mmHg at 25°C
Index of Refraction	1.523
Storage condition	Store at RT.
Stability	Stable. Incompatible with strong oxidizing agents, organic materials, strong bases.
Water Solubility	0.1 g/100 mL (20 ºC)

Thymol MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XP2275000

CHEMICAL NAME :: Thymol

CAS REGISTRY NUMBER :: 89-83-8

LAST UPDATED :: 199710

DATA ITEMS CITED :: 26

MOLECULAR FORMULA :: C10-H14-O

MOLECULAR WEIGHT :: 150.24

WISWESSER LINE NOTATION :: QR C1 FY1&1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 980 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia Behavioral - coma

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1600 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 640 mg/kg

TOXIC EFFECTS :: Peripheral Nerve and Sensation - spastic paralysis with or without sensory change Lungs, Thorax, or Respiration - respiratory stimulation

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 110 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 243 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Skin and Appendages - hair

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

TOXIC EFFECTS :: Behavioral - sleep

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Mammal - dog

DOSE/DURATION :: 150 mg/kg

TOXIC EFFECTS :: Lungs, Thorax, or Respiration - dyspnea

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - cat

DOSE/DURATION :: 250 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 750 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: 60 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 880 mg/kg

TOXIC EFFECTS :: Behavioral - tremor Behavioral - coma Gastrointestinal - gastritis

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 300 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - guinea pig

DOSE/DURATION :: 1100 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 150 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Subcutaneous

DOSE :: 20 mg/kg

SEX/DURATION :: female 4 day(s) pre-mating

TOXIC EFFECTS :: Reproductive - Maternal Effects - uterus, cervix, vagina

MUTATION DATA

TYPE OF TEST :: Sister chromatid exchange

TEST SYSTEM :: Rodent - hamster Embryo

DOSE/DURATION :: 300 ug/L

REFERENCE :: SHIGAZ Shigaku. Ondotology. (Nippon Shika Daigaku Shigakkai, 1-9-20 Fujimi, Chiyodaku, Tokyo 102, Japan) V.38- 1949- Volume(issue)/page/year: 74,1365,1987 *** REVIEWS *** TOXICOLOGY REVIEW JRPMAP Journal of Reproductive Medicine. (2 Jacklynn Ct., St. Louis, MO 63132) V.3- 1969- Volume(issue)/page/year: 12,27,1974 *** U.S. STANDARDS AND REGULATIONS *** EPA FIFRA 1988 PESTICIDE SUBJECT TO REGISTRATION OR RE-REGISTRATION FEREAC Federal Register. (U.S. Government Printing Office, Supt. of Documents, Washington, DC 20402) V.1- 1936- Volume(issue)/page/year: 54,7740,1989 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - 73040 No. of Facilities: 617 (estimated) No. of Industries: 9 No. of Occupations: 15 No. of Employees: 13138 (estimated) NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - 73040 No. of Facilities: 1050 (estimated) No. of Industries: 16 No. of Occupations: 23 No. of Employees: 21355 (estimated) No. of Female Employees: 14083 (estimated)

Symbol	GHS05, GHS07, GHS09
Signal Word	Danger
Hazard Statements	H302-H314-H411
Precautionary Statements	P273-P280-P303 + P361 + P353-P304 + P340 + P310-P305 + P351 + P338-P391
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;full-face particle respirator type N100 (US);Gloves;respirator cartridge type N100 (US);type P1 (EN143) respirator filter;type P3 (EN 143) respirator cartridges
Hazard Codes	C:Corrosive
Risk Phrases	R22;R34;R51/53
Safety Phrases	S26-S28-S36/37/39-S45-S61-S28A
RIDADR	UN 3261 8/PG 3
WGK Germany	2
RTECS	XP2275000
Packaging Group	III
Hazard Class	8
HS Code	29071900

Precursor 9
CAS#:18612-99-2 5-methyl-2-prop... CAS#:89-68-9 4-CHLORO-2-ISOP... CAS#:528-79-0 Phenol,5-methyl... CAS#:89-81-6 PIPERITONE
CAS#:19177-04-9 1-METHYL-3-(PRO... CAS#:5333-40-4 2-(5-methyl-2-p... CAS#:1076-56-8 2-Isopropyl-5-m... CAS#:71-43-2 benzene
CAS#:2216-51-5 L-Menthol
DownStream 8
CAS#:50-85-1 2-Hydroxy-4-met... CAS#:15269-17-7 4-methyl-3,5-di... CAS#:3228-03-3 3-Isopropyl-5-m... CAS#:491-09-8 Piperitenone
CAS#:24545-81-1 Bicyclo[3.1.0]h... CAS#:548-51-6 2-HYDROXY-3-ISO... CAS#:490-91-5 Thymoquinone CAS#:78617-27-3 3,5-Cyclohexadi...

HS Code	2907199090
Summary	2907199090 other monophenols VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

Effect of an Experimental Paste with Hydroxyapatite Nanoparticles and Fluoride on Dental Demineralisation and Remineralisation in situ.

Caries Res. 49 , 499-507, (2015)

This study evaluated the effect of an experimental paste containing hydroxyapatite in nanoparticles (nano-HA)/fluoride on dental de-remineralisation in situ. Thirteen subjects took part in this crosso...

Evaluation of Antioxidant and Antibacterial Potentials of Nigella sativa L. Suspension Cultures under Elicitation.

Biomed Res. Int. 2015 , 708691, (2015)

Nigella sativa L. (family Ranunculaceae) is an annual herb of immense medicinal properties because of its major active components (i.e., thymoquinone (TQ), thymohydroquinone (THQ), and thymol (THY)). ...

QSAR study and synthesis of new phenyltropanes as ligands of the dopamine transporter (DAT).

Bioorg. Med. Chem. 20 , 1388-95, (2012)

The dopamine transporter (DAT) plays a pivotal role in the regulation of dopamine neurotransmission, and is involved in a number of physiological functions and brain disorders. Furthermore the DAT ana...

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5-methyl-2-(propan-2-yl)phenol

MFCD00005869

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2-isopropyl-5-methylphenol

5-methyl-2-(1-methylethyl)phenol

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Isopropyl cresol

3-p-Cymenol

EINECS 201-944-8

5-methyl-2-propan-2-ylphenol

THYMOL

2-Isopropyl-5-methyl-phenol

Thymic acid

5-Methyl-2-isopropylphenol

1-hydroxy-2-isopropyl-5-methylbenzene

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Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Thymol
Price: Check
Purity: 98.0%
Delivery: 10 Day
Contact: Yang
Email: sales@echemcloud.com

BioBioPha
China
Product Name: Thymol
Price: ￥Inquiry/5mg
Purity: 98.0%
Delivery: 10 Day
Contact: Xueping-Zheng
Email: 1477035482@qq.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: Thymol
Price: ￥78.0/100g ￥258.0/500g ￥98.0/100mg
Purity: 99.0%
Delivery: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: Thymol
Price: $280.0/20mg
Purity: 98.0%
Delivery: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: Thymol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Delivery: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: Thymol
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Delivery: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: Thymol
Price: ￥Inquiry/25kg
Purity: 99.0%
Delivery: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

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Thymol

Use of Thymol

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Thymol Biological Activity

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MSDS

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CHEMICAL IDENTIFICATION

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

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